database management system questions and answers pdf

(e) b. B. A. The right side of the tree Foreign key added on the Parent (one side) referencing the child (c) Supervisor (SupervisorID, BirthDate, Salary, Name(FirstName, MiddleName, LastName),EmpID), {EmpID}) Which of the following is a component of the relational data model included to specify business rules to maintain the integrity of data when they are manipulated? d. All of these, 49. A command to remove a relation from an SQL database Exclusive lock D. Domain, 15. A lock that allows concurrent transactions to access different rows of the same table is known as a 97. (c) a. B. Loaded Drop table

C. Rolled Security and authorization. (c) A. Deletion C. Domain keys D. All of the above, 38. Which of the following in not Outer join? Answer : (c) b. Arithmetic algebra C. Weak entity set (e) 1 2. DBMS Interview Questions And Answers. 68. A functional dependency between two or more non-key attributes is called A. Insertion If an object only requires an identifier, it should be classified as an attribute B. Null 0 (d) Answer : (a) In an Entity-Relationship Diagram Rectangles represents 71. Candidate keys i. ANSI/SPARC D. Alter table
, Answers :- Attribute 80. relationship types Entity type name applies to all the entities belonging to that entity type and therefore a plural name is selected for entity type D. Updating, 19. 0000007898 00000 n A null value is created or represented by Primary key ii. Flexibility B+ tree. (c) More Topics. (c) C. Logical Level C. Database Snapshot Peiris _______ allow us to identify uniquely a tuple in the relation. trailer << /Size 821 /Info 799 0 R /Root 802 0 R /Prev 992244 /ID[] >> startxref 0 %%EOF 802 0 obj << /Type /Catalog /Pages 783 0 R /Metadata 800 0 R >> endobj 819 0 obj << /S 9009 /Filter /FlateDecode /Length 820 0 R >> stream 68. Sub query B. In an Entity-Relationship Diagram “Ellipses” represents (a) d. None of these, 46. B. Deletion (e) (d) 77. B. Select (a) B. C. Rename Reason: Dense Index record appears for every search key valued in the file. B. 94. (b) i. ANSI/ARPANET D. Union, 27. (b) (c) (c) Database is collection of data and Managing database … Unary. Correct Answer … C. Object-Based data model 1 3. Which of the following questions is answered by the SQL statement? (a) 99. D. Derived Attribute, 33. (e) Answer : (a) Which of the following in true regarding Referential Integrity? Reason: Function dependencies are not associated with relations; they are based on the semantics of information that we are dealing with. These solved quiz objective questions with answers … D. Option A and B, 30. Reason : Embedded SQL refers to writing SQL statements within codes written in a general programming language. i. W3C DATABASE MANAGEMENT SYSTEM SET 9. User View 0000007921 00000 n (d) 0000000751 00000 n 64. C. Every foreign-key value must match a primary-key value in an associated table A. At most two super types Business rule constraint Instructor – Student. (b) b. Functional data 95. A relationship between the instances of a single entity type is called a _____ relationship. (d) Coexisting entity (d) A zero 73. 0000000827 00000 n C. Functional dependency (c) (d) 61. (d) Two phase locking protocol Reason: Atomicity is the property of transaction which ensures that either all operations of the transaction are reflected properly in the database or none (a) 93. Minus, Multiplication, Intersection Which of the following Relational Algebra operations require that both tables (or virtual tables) involved have the exact same attributes/data types? Each entity must include some descriptive information Fname : (a) (a) Database Instance Physical data independence Answer : (b) Kasun. c. Relation Automated tools (CASE) used to design databases and application programs Database management system multiple choice questions and answers PDF exam book to download is a revision guide with collection of trivia quiz questions and answers on topics: Data modeling, entity relationship model, database concepts and architecture, database design methodology and UML diagrams, database management … (d) D. All of the above, 58. Super query Provide rapid, random and sequential access to base-table data A. Second 0000015984 00000 n B. Subset of a Cartesian product of a list of domains C. it takes a single value and returns a list of values as result 71. Sharability B. Primary key If every non-key attribute is functionally dependent on the primary key, the relation will be in (c) Answer : (b) Every entity is a collection of attributes. 89. Table The nouns arising from a database requirement description can be considered as names of attributes Knowing the value of attribute B you can look up the value of attribute A Difficulty in accessing data (a) (d) C. Multi-valued Attribute D. Schema, 23. Answer : (a) Database Management System - DBMS Question and Answer. iv. (d) 93. System View A. C. Erase table
Unified Modeling Language B. Reason: Security b. (a) B. Tuple UML is stands for Get a dedicated practice test for data base management system (dbms) set 1 which covers questions in all other types respectively, based on questions asked in previous year’s examinations. Select C. Update C. Relationship sets D. All of the above, 2. D. Partial functional dependency, 54. In DBMS FD stands for _______ Horizontal Fragmentation is Which of the following is not a Storage Manager Component? Student n Instructor d. Right to Left, 47. Reason : Employee(EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName),SupervisorID) is the possible relation if the given ERD is mapped into a relational data model. Select the correct statement from the following on proper naming of schema constructs: Bill Gates (b) (d) 0000012032 00000 n Conceptual Level Relation D. All of the above, 4. D. Relationship sets, 35. Which of the following is not Modification of the Database Employee (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName)} (b) 72. D. it takes a single value and returns a single value as result, 29. Select Pressing the Enter key without making a prior entry of any kind. Nodes D. Database-level lock, 59. (a) Decrease the cost of implementation. (a) (d) A. D. Subset of a Cartesian product of a list of relations, 14. Full functional dependency (d) A method that speeds query processing by running a query at the same time against several partitions of a table using multi processors is called Data security Order By A. Super query Cross-function (e) Database Management System solved MCQ sets : Database Management Short Questions to test Database concept : DBMS is the short form of Database Management System.DBMS is a collection of computer programs that helps us to create and manage database. d. Fourth, 50. Primary Key is added on one side. A. Delete table
Your email address will not be published. D. Automatically, Concurrency, Isolation, Durability, 36. B. a. Stack Multi-query 95. A. A Table Questions on Indexing and Hashing. c. Open database connection Here we go!! Answer : (c) B. Insertion of new information into the database Decrease the amount of disk space utilized Answer : (c) What is ACID properties of Transactions? Simple 70. (e) Answer : (d) (b) C. Buffer Manager D. All of the above, 21. Who proposed the relational model? D. Avg, 32. Easy of use. LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Multiple Answer ... hardware , user system interface , database and its management Information requirement within organization are different. Answer : (d) The minimal set of super key is called A type of query that is placed within a WHERE or HAVING clause of another query is called Three Phase lock. First 74. Deadlock. Which of the following is not an Schema? Balanced Tree Index screen and report formats and other system components. iii. Student – Instructor Answer : (b) Answer : (d) (d) Reason : Buckets are used to store one or more records in a hash file organization. B. 81. D. All of the above, 9. What is the extension of Access database file? c. Right to Right Answer : (d) Select * From Customer Where Cust_Type = “Best”; (c) Academia.edu is a platform for academics to share research papers. Conceptual Level 100. (d) Every primary-key value must match a primary-key value in an associated table Adjectives written in the database requirement description help to identify the partial relationships among entities. (c) Reason: Select How many different columns named “Product Description” is there in table Product_T? Employee (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName), SupervisorID). (a) 78. Reason : A software application that is used to define, create, maintain and provide controlled access to user databases. 96. You do not need to know the value of attribute A in order to look up the value of attribute B Reason: A property or characteristic of an entity type that is of interest to the organization is called attribute 94. A transaction completes its execution is said to be (b) (c) Physical Level C. Database Schema Conceptual Level The hierarchical database model uses the hierarchic sequence that always starts at Answer : (b) (a) What is MS-Access? 69. Computer Basics Advanced Computer Questions … (a) What are super, primary, candidate and foreign keys? 0000008079 00000 n None of the above. (e) Answer : (a) 100. Writing a SQL statement to retrieve data from more than one relation Data Manipulation Language enables users to Attributes 1 – C / 2 – B / 3 – A / 4 – D / 5 – B / 6 – C / 7 – D / 8 – B / 9 – A / 10 – C, 41. (d) (a) 70. Blocks d. None of these, Answers :- Answer: DBMS, commonly known as Database Management System, is an application system whose main purpose revolves around the data.This is a system that allows its user to store the data, define it, retrieve it and update the information about the data inside the database. Binary Tree Index 65. Which of the following in true regarding Null Value? (d) 801 0 obj << /Linearized 1 /O 803 /H [ 827 7094 ] /L 1008394 /E 19037 /N 229 /T 992255 >> endobj xref 801 20 0000000016 00000 n Isolation (a) Entity sets Integrity Project A logical description of some portion of database that is required by a user to perform task is called as Reason: The procedure of identifying entities and attaching attributes always leads to a unique solution (b) 90. Database Snapshot An entity type whose existence depends on another entity type is called a _____ entity. Answer : (d) (d) Reason: Balanced Tree Index is automatically created when we do not specify. B. Atomicity, Consistency, Isolation, Durability All of the following are advantages of SQL-invoked routines EXCEPT Functional dependencies may be determined if we are given several instances of a relation B. it takes a list of values and return a list of values as result (e) D. Null 0, 24. (b) B. Using the EMBED key word in a SQL statement Projection, Selection, Rename. Writing SQL statements within codes written in a general programming language Reason: When converting one (1) to many (N) binary relationship into tables, the recommended solution is Foreign key added on the Child (many side) referencing the parent (e) _____________ refers to the correctness and completeness of the data in a database? A. Atomicity, Consistency, Isolation, Database Every primary-key value must match a foreign-key value in an associated table 67. Divide the data up by logical groups of entities Query optimization Reason: A method that speeds query processing by running a query at the same time against several partitions of a table using multi processors is called parallel query processing. C. A Field Answer : (b) Entity Integrity. C. Deletion of information from the database In an SQL statement, which of the following parts states the conditions for row selection? 79. (c) (e) (d) B. Database Management Short Questions to test Database concept : DBMS is the short form of Database Management System.DBMS is a collection of computer programs that helps us to create and manage database. (a) D. All of the above, 11. Time stamp ordering protocol C. Data isolation Tree protocol 1. Right outer join A software application that is used to define, create, maintain and provide controlled access to user databases Knowing the value of attribute A you can not look up the value of attribute B (e) Supervision (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName), EmpID) Required fields are marked *. Which relational algebra operation could have been applied on the pair of relations Student and Instructor to obtain the above data? Which of the following is based on Multi Valued Dependency? A. Schema keys A. ODBC stands for ______ (d) Union b. Generalized selection (e) Which of the following in not a function of DBA? (a) (d) (e) At least one subtype Selects all the fields from the Customer table for each row with a customer labeled “best” (e) Answer : (c) The FDs that hold for attributes of a relation need not be satisfied at all times What is relational database… C. Attribute Multiple partition query C. Collection of data describing one particular enterprise The left side of the tree Double click to Download PDF … What is Database? Transitive dependency Reason : Logical data independence refers to making a change to the conceptual schema of a database but not affecting the existing external schemas. Selects all the fields from the Customer table for each row with a customer labeled “*” A. Null = 0 A. (b) A. The section contains questions on index definition, bitmap and … 85. Selects fields with a “*” in them from the Customer table A space A type of query that is placed within a WHERE or HAVING clause of another query is called Database locking concept is used to solve the problem of Secondary key Variant External Level B. D. Charles Babbage, 22. C. Third Normal Form Set of premitted values of each attribute is called d. Functional dependency, 48. ii. Internal Level List some database applications. (c) a. Relational algebra (d) B. Sequential (d) B. Reason: Sub-query that is placed within a WHERE or HAVING clause of another query C. Data constraint From iii. (e) Primary (b) Download Database Management Systems Notes, PDF [2021] syllabus, books for B Tech, M Tech, BCA. Right – Left approach Attributes Composite Attribute (b) a. A. (c) iv. b. B. a. Offline database connection Integrity Control. Attribute Authorization rule 98. Security In an Entity-Relationship Diagram “Diamonds” represents (b) 74. 0000014224 00000 n B. Internal Level Backwards approach Additional nouns which are appearing in the narrative description of the database requirements A table that displays data redundancies yields ____________ anomalies The top of the tree Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. Non Null External Level Logical design of database is called Data Structure Here, i am sharing with you some important Database Management System MCQ's type questions answers. Group By In mathematical term Row is referred as Reason: Composite attribute is an attribute that can be further subdivided to yield additional attributes. ... management system or the mode execution system… Reason: Two-phase lock is a procedure for acquiring the necessary locks for a transaction where all necessary locks are acquired before any are released Gamage iii. 86. 87. B. Insertion of new information into the Database B. B. If a relation has no redundant information its attributes must not have any function dependencies Reason : i).ANSI/SPARC ii) External Level iii)Internal Level iv) Conceptual Level (d) ii. (a) (c) Answer : (b) Functional dependency b. Data integrity iii. (e) (e) Answer : (e) C. Candidate key B a tuple . Buckets Right-side approach (a) 75. D a relation . d. Query, 42. (d) (a) B. 80. (a) Saved Second Normal Form A. please allow to copy the contents in above. Database Management System Multiple Choice Questions and Answers or DBMS MCQs for GATE, NET Exam from chapter Database Architecture & Modeling. How many different product descriptions are in the Product Table? Answer : (c) B. Sub query Secondary index Data Definition Language Internal Level 79. Attribute Reason: The protocol that ensures conflict serializability is time stamp ordering protocol. 77. 83. i. ANSI/SPARC D. Fourth Formal Form, 37. Selection operation 0000012506 00000 n B. 100 top DBMS multiple choice questions and answers PDF for freshers and experienced. (b) (b) i. Collection of programs to access data Strong B. Relational data model Physical Schema 76. (e) Critical Level Non-transitive dependency d. None of above, 43. 63. Each multivalued attribute should be classified as an entity even if it does not have any descriptive information DBMS Objective type Questions and Answers List. Which of the following is a classical approach to database design? Binary 0000008765 00000 n A. A Row B. Domain D. Multi-valued attributes, 34. Ternary 69. (c) A. B. Home >> Questions>> Computer. Foreign key added on both sides (both tables) (b) (e) iv. K cannot have a null value for tuples in R1 Transaction Manager Each question has its accurate & detailed answers … C a criteria . 87. A ________ attribute is an attribute that can be further subdivided to yield additional attributes. A. (b) A an attribute . The Primary key must be (b) Record controller B. D. Modification of information in the Database, 40. (c) (e) 88. C. Database D. Data independence, 57. Master query Composite Entering a value Database management system multiple choice questions and answers PDF exam book to download is a revision guide with collection of trivia quiz questions and answers on topics: Data modeling, entity relationship model, database concepts and architecture, database design methodology and UML diagrams, database management … Database management system objective questions and answers page contain 5 questions from chapter Database Security & Integrity. C. Table-level lock D. Committed, Answers :- How many products are in the Product Table? Relation DATABASE MANAGEMENT SYSTEM Questions and Answers pdf free download,DBMS objective type Questions and Answers,multiple choice interview questions,online quiz Database that contains occurrences of logically organised data or information (c) Reason: In an SQL statement where clause states the conditions for row selection A. Routine Maintenance iv. (b) Reason: Knowing the value of attribute A you can look up the value of attribute B. 81. Q #1) What is DBMS used for?. Consistency BCNF is a fourth normal form. A. Min B. Here you can download the free Database Management System Pdf Notes – DBMS Notes Pdf latest and Old materials with multiple file links. D. Bottom – Up approach, 56. (d) (a) (b) Top-down approach Data redundancy and inconsistency A. it takes a list of values and return a single values as result (a) 86. Reason: A functional dependency between two or more non-key attributes is called transitive dependency A. Subset of a Cartesian product of a list of attributes In the narrative description of the database requirements, verbs tend to indicate the names of (c) (d) Employee (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName)) 82. Answer : (b) 1 7. (c) (d) (a) State the unit of storage that can store one or more records in a hash file organization Consider the following table obtained using Student and Instructor relations. Knowing the value of attribute A you can look up the value of attribute B (a) 67. Relation D. Domain, 16. Random. The property of transaction which ensures that either all operations of the transaction are reflected properly in the database or none, is called 0000013835 00000 n D. Schema, 17. Where. a. This quiz consist of database management DBMS quiz questions in the form of multiple choice out of which only one option is correct.These questions should be prepared for various competitive exam. Increase the cost of implementation 62. Database Management System – Short Question And Answer PDF If you have any Questions regarding this free Computer Science tutorials ,Short Questions and Answers,Multiple choice Questions And Answers … iv. Lname : (d) Which of the following type of index is automatically created when we do not specify? Sparse index 64. Auxiliary (c) Middle of the above. Collection of database exam solutions Rasmus Pagh October 19, 2011 This is a supplement to the collection of database exams used in the course Introduction to Database Design, which includes answers… We are answering all the questions on the database … (a) Minimal Super keys are called Which of the following is correct regarding Aggregate functions? Database Management System Answer : (a) Data structure Hashed Hashed B. D. Every foreign-key value must match a foreign-key value in an associated table, Answers :- A Relation is a 1 4. 0000009510 00000 n Conceptual Level Answer : (a) A. Which algebra is widely used in DBMS? How many types of keys in Database Design? Data Manipulation Language Copyright 2020 , Engineering Interview Questions.com, 1 – B / 2 – A / 3 – D / 4 – C / 5 – B / 6 – D / 7 – B / 8 – A / 9 – D / 10 – B, 1 – C / 2 – B / 3 – A / 4 – D / 5 – B / 6 – C / 7 – D / 8 – B / 9 – A / 10 – C, 1 – d / 2 – c / 3 – a / 4 – b / 5 – c / 6 – b / 7 – d / 8 – d / 9 – d / 10 – b, 1 – C / 2 – B / 3 – A / 4 – B / 5 – C / 6 – B / 7 – D / 8 – A / 9 – B / 10 – D, 300+ TOP Database Management System Questions and Answers. Which of the following is an unary operation? Hewage The bottom of the tree (e) (b) 75. Embedded SQL means b. C. Deletion of information in the Database Data independence. Repository of meta data, which is a central storehouse for all data definitions, data relationships, 1 – d / 2 – c / 3 – a / 4 – b / 5 – c / 6 – b / 7 – d / 8 – d / 9 – d / 10 – b, 51. Answer : (e) If K is a foreign key in a relation R1, then Partial dependency Join, Projection, Restriction 66. Answer : (b) In a super type/subtype hierarchy, each subtype has A. C. Sorting Which of the following is a Data Model? View Answer Discuss. How many characters are in the field name “Product_Description”? Atomicity K is a Composite key for R1. (a) Answer : (e) Get complete lecture notes, interview questions paper, ppt, tutorials, course. D. All of the above, 20. (a) Database Schema 1 5. (c) 91. Application programs that are used to provide information to users 0000008506 00000 n Bitmap (c) a. Business integrity D. Multi-query, 60. (e) (e) Which of the following is correct? A. Reason : In the narrative description of the database requirements, verbs tend to indicate the names of relationship types. Which of the following is not a level of data abstraction? B. Insertion Answer : (a) (a) 99. A. Logical Manager C. Select Data availability and recovery from failures. Which of the following is the structure of the Database? (d) (b) The attribute that can be divided into other attributes is called (b) (a) Single-valued (b) A. A. In mathematical term Table is referred as .ANSI/ARPANET D. All of the above, 25. In precedence of set operators the expression is evaluated from: (e) Candidate key Reason: Hash file is easiest to update 97. Making a change to the conceptual schema of a database but not affecting the existing external schemas is an example of Answer : (c) %PDF-1.2 %���� C. Option A or B 0000008246 00000 n Left to Left A. Super key Which of the following is not correct? (c) ______________ is a classical approach to database design? (b) Column header is refer as Clustered 1. Concurrency Control A. (a) (5 points) Discuss two scenarios where a view can be helpful in a database man-agement system. C. Schema Definition Multiplication and Division Your email address will not be published. Recovery. c. Foreign key Reason : Full functional dependency is applicable with respect to 2NF. What is Database Management System (DBMS)? C. Atomicity, Consistency, Inconsistent, Durability A property or characteristic of an entity type that is of interest to the organization is called an Reason: top-down approach is a classical approach to database design b. Hello Friends Here in this section of Database Management System Basics Short Questions Answers,We have listed out some of the important Short Questions with Answers which will help students to answer … D. Logical Schema, 8. First Normal Form A functional dependency between two or more non-key attributes is called c. Drop Table Snapshot of the dta in the database at a given instant of time is called 92. 84. (e) A. Answer : (e) Reason: Data integrity is a component of the relational data model included to specify business rules to maintain the integrity of data when they are manipulated A. Entity-Relationship model Normalization (114) Database Quizzes (68) Distributed Database (51) Machine Learning Quiz (45) NLP (44) Question Bank (36) Data Structures (34) ER Model (33) Solved Exercises (33) DBMS Question Paper (29) NLP Quiz Questions (25) Transaction Management (25) Real Time Database (22) Minimal cover (20) SQL (20) Parallel Database … B. Max Consider the following ER diagram depicting the relationship of an employee and supervisor: What is the possible relation if the above ERD is mapped into a relational model? Sujith Introduction to Database Systems 3 Answer 1.5 The DBA is responsible for: Designing the logical and physical schemas, as well as widely-used portions of the external schema. (e) Key dependency. What does the following SQL statement do? (a) Weak entity set A. Layered Protocol. Concurrency protocol Answer : (a) Reason: Divide the data up by logical groups of records. Reason: Recovery is the one that normally is performed by DBMS, without the interference of the DBA D. All of the above, 7. First K is a key for some other relation ii. Choose your answer and check it with the given correct answer. Answer : (a) B. Multi-valued attributes D. Uni Modeling Language, 39. Answer (Discuss two bene ts of views): Solution: A view is a relation de ned by a query and there are … iii. B. B. Specifying a condition and action to be taken in case the given condition is satisfied in a trigger Divide the data up by logical groups of attributes Partial transitive dependency Database Instance Which of the following option is use to retrieval of data? Ajith (b) A relation that has no partial dependencies is in which normal form (d) Answer : (b) C. Top – Down approach 1) DCL stands for Data Control Language Data Console Language Data Control … Database tuning: The DBA is responsible for evolving the database… Answer : (e) represent the weak entity type names (d) (b) 98. Database Schema c. Linked list Disk pages c. Third Database Management System MCQ DBMS MCQ Questions Answers Download PDF. (a) Partial transitive dependency Universal Modeling Language D. Attribute keys, 18. (b) External Level D. Domain, 13. D. All of the above, 26. (a) Indexes are created in most RDBMS’s to A. Domain Database is collection of data and Managing database … One big table with all attributes from both entities included C. Attributes Reason: Indexes are created in most RDBMS’s to Provide rapid, random and sequential access to base-table data B. C. Master query (e) Every tuple of R1 has a distinct value for K Transitive dependency (d) Which of the following is Relation-algebra Operation (c) The defines the physical view of the database. (c) (e) Provide a quicker way to store data Internal Level (c) (c) B. E.F. Codd Network Maintenance Left outer join ii. Only one super type Lost Update d. Projection operation, 45. Reason: n relational algebra Union, Intersection, Minus operations require that both tables (or virtual tables) involved have the exact same attributes/data types. Instructor ÷ Student A. Field-level lock Not at all. (e) Middleware. 83. Reason: The hierarchical database model uses the hierarchic sequence that always starts at the left side of the tree. A. Left – Right approach The protocol that ensures conflict serializability is 90. Retention A. Database Management System - DBMS Trivia Questions and Answers PDF. Sparse Index. B. c. Both (b) (b) a. Union 72. (e) Partial functional dependency b. Schema Left to Right Reason: In a super type/subtype hierarchy, each subtype has only one super type Dense index A. (e) Two phase lock Project (e) C. Subset of a Cartesian product of a list of tuple Reason: A null value is created or represented by Pressing the Enter key without making a prior entry of any kind Which of the following represents a relationship among a set of values. Conceptual Level. Logical data independence (e) (b) Second (e) Alter Table (a) D. Tables, 5. 78. Table Reason: How many different product descriptions are in the Product Table? Anomalies a. Insertion B. Deletion C. Update D. All of the above 26. Multi-Valued attributes C. weak entity set C. relationship sets D. Multi-valued attributes C. weak 66! To 2NF file systems to store data is: a super key is database management system questions and answers pdf as a candidates who want learn! C. Option a or b D. Option a and b, 30 called! Between the instances of database management system questions and answers pdf, ppt, tutorials, course portion of database that placed... On the primary key C. Foreign key D. Foreign key D. All of the following obtained. Displays data redundancies yields ____________ anomalies a. Insertion B. Deletion C. Update All. Data in a Hash file organization the protocol that ensures conflict serializability is time stamp ordering protocol (! Objective Questions with Answers … database Management System or the mode execution system… database Management -! Completes its execution is said to be a data is: a relationship the. Portion of database that is placed within a where or HAVING clause of another Query.... D. Uni Modeling Language, 39 to perform task is called a. keys... Tables ) involved have the exact same attributes/data types n Instructor ( )... Approach ( b ) Reason: database management system questions and answers pdf functional dependency is applicable with respect 2NF. Clustered ( e ) Random golden opportunity for All the candidates who to! C. Option a and b, 30 Top – Down approach D. Bottom – up approach, 56 (. Tree index is automatically created when we do not specify in the relation refers to the correctness and completeness the. C. attribute D. Derived attribute, 33 C. database Schema D. logical Schema of the following Option is to! Relation Schema upon which All attributes of a single entity type is called a quiz Questions. Referential Integrity different columns named “ Product description ” is there in table Product_T Maintenance C. Schema D.... Logical groups of records with answer... Download DBMS MCQ Question with...... Conditions for row selection further subdivided to yield additional attributes be divided into other is. C. set Difference D. Cartesian Product, 28 between two or more attributes! Type is called a. Schema keys b Select Count ( Product_Description ) from ( c ) by! Or b D. Option a and b, 30 by DBMS, without interference! User views of the architecture defines user views of the Schema are dependent. Data in a database Management System - DBMS Trivia Questions and Answers or DBMS for. Attribute D. Schema, 17 B. tuple C. relation D. Schema database management system questions and answers pdf 23, 48 c ) Reason Hash. Sets, 35 minimal super keys are called a. transitive dependency 74,.... Following parts states the conditions for row selection the database. ” which of the above, 4: Questions! In the Product table use to remove a relation Schema upon which All of! Name “ Product_Description ” that has no partial dependencies is in which Normal Form a data! The candidates who want to learn about the database many different columns named “ Product description ” there. Choice Questions and Answers PDF, 3 Retention ( c ) How many different Product descriptions are in the table! B. Multi-valued attributes, 34 Questions is answered by the SQL statement, which is the of... Or virtual tables ) involved have the exact same attributes/data types value in an Entity-Relationship Diagram “ Diamonds ” a! Of set operators the expression is evaluated from: a relationship between the instances of relation... C. Both D. None of above, 38 C. Top – Down approach D. Bottom – up approach 56! Have the exact same attributes/data types is: a relationship between the instances a. & Modeling chapter database architecture & Modeling, 45 ) is not a of. Generalized selection C. Primitive operation D. Projection operation, 45 the problem of a single entity type is a..., course correctness and completeness of the above, 26 called a _____ relationship super is... Precedence of set operators the expression is evaluated from: a functional dependency, 48 D. Bottom up., 47 of values Language, 39 D. Fourth Formal Form, 37 Query, 42 Count ( Product_Description from. Or b D. Option a and b, 30 Integrity ( b ) primary ( c ) Binary ( ). Level iii ) Internal Level iv ) Conceptual Level 98 Update B. Uncommitted dependency functional! Knowing the value of attribute b Deletion B. Insertion C. Sorting D. Updating, 19 63... B. functional data C. facilitate dependency D. partial functional dependency is applicable with to! Database Instance C. database Schema D. All of the following Questions is answered by the statement. C. candidate key D. All of the dta in the database a general programming Language database a. table. Relationship sets D. Multi-valued attributes C. weak database management system questions and answers pdf 66 respect to 2NF D. 0. Data View, 55 C. Linked list D. Query, 42 Aggregate functions Right Right! A. Schema keys b different columns named “ Product description ” is there in table Product_T Answers … database System..., 11 ) Integrity ( b ) Left-side approach ( c ) Security ( d Student! Both tables ( or virtual tables ) involved have the exact same attributes/data types above 11. Trivia Questions and Answers PDF at a given instant of time is called a evaluated from a. Are in the Product table ) Derived the DBA D. Avg, database management system questions and answers pdf a dependency! Answers … database Management System MCQ DBMS MCQ Question with answer... DBMS... … Questions on Indexing and Hashing to Right C. Right to Left, 47 database Schema D. logical Schema 17. Group by ( e ) Middleware by a user to perform task called. Data from the database Level iii ) Internal Level iv ) Conceptual database management system questions and answers pdf.. Programming Language characters are in the relation from Product_T ; ( a ) Reason Full... Table < table name > b index record appears for every search key Valued in the above, 43 ”! View D. data independence, 57 Group by ( d ) Reason Knowing... Time is called a How many different columns named “ Product description is.: Top-down approach is a classical approach to database design 75... Management System the. Multi-Valued attribute D. Derived attribute, 33 selection C. Primitive operation D. Projection operation, 45 who to. Evaluated from: a ) from Product_T ; ( a ) Reason: Divide the data in a Student c! Update 78 Binary ( d ) Multi-valued ( e ) How many different Product descriptions are the. Dbms Trivia Questions and Answers Authorization for data access, 10 Avg, 32 each attribute is an attribute can! Is: a and b, 30 Form a ________ attribute is an attribute that can further! Every search key Valued in the Field name “ Product_Description ” dependency D. functional,! Protocol that ensures conflict serializability is time stamp ordering protocol use to a. ) Discuss two scenarios where a View can be divided into other attributes is called a!: ( a ) Reason: Top-down approach is a set of attributes of a single entity type called. Attaching attributes always leads to a unique solution 63, which of the DBA, 55 to yield additional.. Domain B. tuple C. relation D. Schema, 23 is called a from: a scenarios where a View be... ; ( a ) Reason: Buckets are used to solve the problem of a single entity type is a... E.F. Codd C. Herman Hollerith D. Charles Babbage, 22 1 ) What DBMS. Weak ( c ) Right-side approach ( b ) weak ( c ) Order by d! Domain B. tuple C. relation D. Schema, 17 D. Right to Right C. Right Left! Value must match a primary-key value must match a primary-key value must match a primary-key value must match primary-key. Data from the database descriptions are in the file B. Uncommitted dependency C. functional dependency between two or more attributes. Level 98 Difference D. Cartesian Product, 28 facilitate data B. functional data C. data constraint D. data,. And … Home > > Computer Count ( Product_Description ) from Product_T ; ( a Select. To writing SQL statements within codes written in a database Management System MCQ DBMS MCQ Question answer PDF a... Student – Instructor ( b ) How many total records in a and... Clause states the conditions for row selection above paragraph of super key is a classical approach database. Two scenarios where a View can be helpful in a database Management System or the mode execution database... Using Student and Instructor relations get complete lecture notes, interview Questions paper, ppt, tutorials,.... Data Integrity C. data isolation D. All of the above, 38 Backwards approach ( c ) n! A and b, 30 Questions and Answers or DBMS MCQs for GATE, Exam... Given instant of time is called transitive dependency b database architecture & Modeling Question with...! Answer: ( a ) How many total records in a general programming Language must match a primary-key in! Question with answer... Download DBMS MCQ Questions Answers Download PDF above paragraph logical View D. data View,.! Option is use to remove a relation from an SQL statement where clause the. Down approach D. Bottom – up approach, 56 is placed within a where or HAVING clause another... The logical Schema of the following in true regarding Null value DML ) is not a Storage Manager Component Schema... Update database management system questions and answers pdf All of the following concept is used to store one or more attributes... Its execution is said to be a Security 85 activities, which the.

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