iv. Which of the following type of index is automatically created when we do not specify? 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 A functional dependency between two or more non-key attributes is called 1 4. 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. Project ii. iii. 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… A. (c) B. Select the correct statement from the following on proper naming of schema constructs: (c) Parallel query processing (b) Time stamp ordering protocol Answer : (c) A. Academia.edu is a platform for academics to share research papers. Embedded SQL means (c) .ANSI/ARPANET Secondary key A. 0000000751 00000 n 1. B. Primary D. File Manager, 6. A. Null = 0 70. ii. Foreign key added on the Child (many side) referencing the parent A. (a) c. Primitive operation C. Rolled 1 2. A. C. Deletion of information in the Database Each entity must include some descriptive information System View Integrity Control. In the narrative description of the database requirements, verbs tend to indicate the names of Which of the following is Relation-algebra Operation (a) Atomicity 100. In DBMS FD stands for _______ (b) c. Both All of the following are advantages of SQL-invoked routines EXCEPT Reason: In a super type/subtype hierarchy, each subtype has only one super type (c) D. Uni Modeling Language, 39. How many total records in a table? Answer : (b) Knowing the value of attribute B you can look up the value of attribute A Answer : (a) B. Max (e) Multi-query (d) C. A Field Adjectives written in the database requirement description help to identify the partial relationships among entities. D. Derived Attribute, 33. Database is collection of data and Managing database … What are super, primary, candidate and foreign keys? Selection operation Bill Gates A. a. Answer : (b) Strong 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. (d) (a) c. Right to Right D. Alter table

, Answers :- iv. (e) (a) 100 top DBMS multiple choice questions and answers PDF for freshers and experienced. Reason: The hierarchical database model uses the hierarchic sequence that always starts at the left side of the tree. Co-related query. Additional nouns which are appearing in the narrative description of the database requirements What do you mean by data processing? 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 Sujith In a super type/subtype hierarchy, each subtype has Indexed A lock that allows concurrent transactions to access different rows of the same table is known as a (c) 68. Candidate key (c) (e) A. Ajith The right side of the tree Left-side approach Database tuning: The DBA is responsible for evolving the database… Answer : (b) Reason: Recovery is the one that normally is performed by DBMS, without the interference of the DBA Reason: Divide the data up by logical groups of records. Answer : (a) (e) D. Domain, 15. (c) Snapshot of the dta in the database at a given instant of time is called Answer : (b) Pressing the ESC key a. Offline database connection (b) (e) 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? A transaction completes its execution is said to be 76. 62. Database Schema If K is a foreign key in a relation R1, then D. Null 0, 24. A. 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 (e) Answer : (d) A database management software (DBMS) includes 67. (b) d. Fourth, 50. B. 95. A. Subset of a Cartesian product of a list of attributes (c) D. Option A and B, 30. The various relationships of database are: One-to-one: … (a) 78. B. Union, Intersection, Minus Internal Level What is Database Management System (DBMS)? Three Phase lock. Answer : (c) Entering a value Partial transitive dependency Selects all the fields from the Customer table for each row with a customer labeled “*” Using the EMBED key word in a SQL statement Answer : (c) Required fields are marked *. A property or characteristic of an entity type that is of interest to the organization is called an 86. More Topics. Fname : Binary Tree Index C. Rename Minus, Multiplication, Intersection Choose your answer and check it with the given correct answer. B. Saved B. Multi-valued attributes How many products are in the Product Table? Full functional dependency D. View Level, 3. Which relational algebra operation could have been applied on the pair of relations Student and Instructor to obtain the above data? B. Answer : (e) (b) View Answer Discuss. The procedure of identifying entities and attaching attributes always leads to a unique solution C. Top – Down approach Multiple partition query D. All of the above, 4. Sparse index Which of the following option is use to retrieval of data? Derived. What is the extension of Access database file? (d) C. Master query 0000014428 00000 n Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. Attribute Database Snapshot Partial dependency Which of the following Relational Algebra operations require that both tables (or virtual tables) involved have the exact same attributes/data types? Answer : (a) c. Facilitate dependency Select Indexes are created in most RDBMS’s to (a) (d) C. Database Snapshot Reason : Embedded SQL refers to writing SQL statements within codes written in a general programming language. Answer : (d) C. Tuple Create Table (e) 70. Which of the following is the structure of the Database? C. Select A table that displays data redundancies yields ____________ anomalies (a) D. Data View, 55. B+ tree. 98. Primary key Reason : Buckets are used to store one or more records in a hash file organization. (b) Multi-valued b. Functional data 83. C. Attribute C. Herman Hollerith 65. Answer : (e) Foreign key added on both sides (both tables) D. Relationship sets, 35. Retention Home >> Questions>> Computer. A. it takes a list of values and return a single values as result Answer : (c) (c) The protocol that ensures conflict serializability is Internal Level (e) 90. 83. Answer : (b) Unified Modeling Language Integrity In mathematical term Table is referred as In precedence of set operators the expression is evaluated from: Attribute (c) B. (d) C. Tuple (b) Lname : Increase the cost of implementation (c) (b) Transaction Manager (e) (d) Knowing the value of attribute A you can look up the value of attribute B Data integrity Nodes 99. D. All of the above, 20. Answer (Discuss two bene ts of views): Solution: A view is a relation de ned by a query and there are … Left outer join A. DATABASE MANAGEMENT SYSTEM Questions and Answers pdf free download,DBMS objective type Questions and Answers,multiple choice interview questions,online quiz Master query 0000008246 00000 n 68. C. Data isolation Partial transitive dependency (b) Answer : (e) The top of the tree Database that contains occurrences of logically organised data or information Candidate keys Divide the data up by logical groups of records B. Authorization rule Many super types Data Structure Where. ii. (b) (a) Consider the following table obtained using Student and Instructor relations. 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 d. None of these, 46. (e) Knowing the value of attribute A you can not look up the value of attribute B 0000009510 00000 n (b) Coexisting entity 1 – C / 2 – B / 3 – A / 4 – B / 5 – C / 6 – B / 7 – D / 8 – A / 9 – B / 10 – D. 61. (c) (a) D. Every foreign-key value must match a foreign-key value in an associated table, Answers :- The bottom of the tree (a) B. Sub query Multiplication and Division (a) (d) B. Insertion of new information into the Database What does the following SQL statement do? 92. Layered Protocol. Record controller 0000012324 00000 n A. 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 … Employee (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName)) (d) Physical data independence B. 0000013835 00000 n Counts all records and displays the value. Two phase locking protocol B. First Normal Form B. Which of the following is not an Schema? A. Transitive dependency A. A. Writing SQL statements within codes written in a general programming language (e) (b) a. Relational algebra (c) Data independence. ii. D. Automatically, Concurrency, Isolation, Durability, 36. D. Cartesian Product, 28. D. All of the above, 9. B. Insertion A space (c) Consistency Minimal Super keys are called b. Schema iv. i. ANSI/SPARC (c) DBMS MCQ Question with Answer ... Download DBMS MCQ Question Answer PDF ... A relational database developer refers to a record as . B. Tuple (a) Instructor ÷ Student A. Super query D. BCNF, 53. (e) The property of transaction which ensures that either all operations of the transaction are reflected properly in the database or none, is called C. Database Schema 85. (b) Codependent Projection, Selection, Rename. (a) 0000012506 00000 n b. B. it takes a list of values and return a list of values as result B. 0000008765 00000 n Reason: Dense Index record appears for every search key valued in the file. Horizontal Fragmentation is (e) (d) Questions on Indexing and Hashing. Reason: A functional dependency between two or more non-key attributes is called transitive dependency 91. Tree protocol 0000015984 00000 n D. Modification of information in the Database, 40. B. E.F. Codd Hewage 88. (b) Database is collection of data and Managing database … (b) 61. At least one subtype (b) (e) (c) “In 1978 committee proposed a generalized framework for database systems and it provides a three_level architecture. Recovery. Isolation (e) 76. Routine Maintenance K is a Primary key for R1 Independent. C. Logical Level A. Schema keys C. Option A or B (b) (a) (d) Hashed i. (c) Weak entity set D. it takes a single value and returns a single value as result, 29. Answer : (c) (e) Student ? (b) 80. Answer : (a) Decrease the amount of disk space utilized A. Super key Selects all the fields from the Customer table for each row with a customer labeled “best” External Level Repository of meta data, which is a central storehouse for all data definitions, data relationships, C. Sorting iv. C. United Modeling Language b. Arithmetic algebra Which of the following is not Unary operation? D. Committed, Answers :- %PDF-1.2 %���� B. A. Here you can download the free Database Management System Pdf Notes – DBMS Notes Pdf latest and Old materials with multiple file links. Answer : (d) An entity type whose existence depends on another entity type is called a _____ entity. (e) D. Schema, 23. (c) 75. B. Deletion Flexibility Multi level index A. Concurrency protocol B. Drop table
(e) Answer : (a) K cannot have a null value for tuples in R1 Divide the data up by logical frames. relationship types (b) 80. Reason : In the narrative description of the database requirements, verbs tend to indicate the names of relationship types. State the unit of storage that can store one or more records in a hash file organization Divide the data up by logical groups of entities d. None of these, Answers :- 69. A type of query that is placed within a WHERE or HAVING clause of another query is called B. D. A Column, 12. A. (a) (5 points) Discuss two scenarios where a view can be helpful in a database man-agement system. (d) Non Null (c) Which of the following is a classical approach to database design? In an Entity-Relationship Diagram “Diamonds” represents 94. b. Concurrency Control Computer Basics Advanced Computer Questions … Which type of file is easiest to update? Union The nouns arising from a database requirement description can be considered as names of attributes Efficiency 99. D a relation . (b) Right – Left approach b. Security a. Database Management System - DBMS Question and Answer. Two phase lock B. Row-level lock Data Manipulation Language (a) D. Charles Babbage, 22. (a) What is Database? (c) D. Bottom – Up approach, 56. Oriented database connection Database Management System - DBMS Trivia Questions and Answers PDF. What is ACID properties of Transactions? (b) Using SQL language constructs like revoke and grant respectively for revoking and granting privileges to users. Reason: Knowing the value of attribute A you can look up the value of attribute B. C. Buffer Manager A. i. ANSI/SPARC (a) Answer : (b) (b) 71. Instructor First d. None, 44. Which of the following is not binary operation? (c) User View Reason: Entity type whose existence depends on another entity type is called a weak entity (c) (e) (b) Answer : (a) Divide the data up by logical groups of attributes A software application that is used to define, create, maintain and provide controlled access to user databases D. Attribute keys, 18. (e) Project Supervision (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName), EmpID) A. Attribute Selects fields with a “*” in them from the Customer table Reason: Balanced Tree Index is automatically created when we do not specify. Student n Instructor 84. Database Management System (DBMS) Questions and Answers . A. Field-level lock C. Data constraint A logical description of some portion of database that is required by a user to perform task is called as Writing a SQL statement to retrieve data from more than one relation There is a golden opportunity for all the candidates who want to learn about the database. A. Middleware. 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. 87. b. A. Retrieval of information stored in database d. Right to Left, 47. B. (d) D. All of the above, 21. Who proposed the relational model? Relation B. Uncommitted Dependency C. Third Normal Form Which of the following set is suitable to fill the blanks in the above paragraph? C. Atomicity, Consistency, Inconsistent, Durability C. Rename (c) (c) ... management system or the mode execution system… Each mcq has 4 possible answers. (d) (d) (e) iii. The of the architecture defines user views of the database. 74. Baskets. External Level The defines the logical schema of the database.” (d) 74. No two rows … UML is stands for In an Entity-Relationship Diagram “Ellipses” represents (e) (a) (d) (b) C. Multi-valued Attribute b. Generalized selection 84. c. Linked list 62. A. 77. D. Tables, 5. Answers (e) 85. 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 Answer : (a) A. Insertion A. D. Multi-query, 60. (b) (c) (c) 72. B. H��U�[X��4�1J�fQT�=S2SD3PT�\s(c��yLG+�$LQ!S3s+1-\�J��qA\r)�%��%-���yf���. c. Drop Table Select * From Customer Where Cust_Type = “Best”; (b) (d) ODBC stands for ______ An index record appears for every search key value in the file is C. Relation Which of the following is a Data Model? C. Query Language 75. (d) (c) (a) A. Delete table
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? Select Count (Product_Description) from Product_T; Select D. All of the above, 2. Entity type name applies to all the entities belonging to that entity type and therefore a plural name is selected for entity type B. 96. How many different product descriptions are in the Product Table? Collection of programs to access data Business integrity A. Domain D. Foreign key, 52. Deadlock. (c) Data structure (a) Which of the following is correct? d. Projection operation, 45. In an SQL statement, which of the following parts states the conditions for row selection? c. Third Dense index 66. B. Domain 0000012886 00000 n 72. Which of the following questions is answered by the SQL statement? C. Relationship sets Attributes (e) _______ allow us to identify uniquely a tuple in the relation. How many types of keys in Database Design? Functional dependency 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 … C. Set Difference C. Erase table
If a relation has no redundant information its attributes must not have any function dependencies Here we go!! Automated tools (CASE) used to design databases and application programs Which of the following is not a Storage Manager Component? B. D. Schema, 17. Blocks The minimal set of super key is called B. Weak entity. Database Management System Multiple Choice Questions and Answers or DBMS MCQs for GATE, NET Exam from chapter Database Architecture & Modeling. (e) Column header is refer as 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 … iii. c. Open database connection First Database Management System Notes Pdf – DBMS Pdf Notes starts with the topics covering Data base System Applications, data base System VS file System… The hierarchical database model uses the hierarchic sequence that always starts at 90. Lost Update Answer : (b) C. Subset of a Cartesian product of a list of tuple (b) Group By 87. DBMS Interview Questions And Answers. Which of the following is correct regarding Aggregate functions? Primary Key is added on one side. B a tuple . 0000013550 00000 n (c) B. Data Manipulation Language (DML) is not to a. Which of the following is an unary operation? A command to remove a relation from an SQL database (e) Reason: A null value is created or represented by Pressing the Enter key without making a prior entry of any kind Exclusive lock c. Foreign key Provide rapid, random and sequential access to base-table data Reason: Indexes are created in most RDBMS’s to Provide rapid, random and sequential access to base-table data Relationship Every entity is a collection of attributes. Answer : (d) a. Set of premitted values of each attribute is called Conceptual Level (d) Buckets Data integrity 1 7. Database Instance (a) External Level d. Query, 42. A Table Join, Projection, Restriction Decrease the cost of implementation. Reason: n relational algebra Union, Intersection, Minus operations require that both tables (or virtual tables) involved have the exact same attributes/data types. (d) Which of the following in not a function of DBA? (e) Business rule constraint (e) Bitmap B. 81. Critical Level (d) Right-side approach (d) These solved quiz objective questions with answers … 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. D. All of the above, 11. (a) In an Entity-Relationship Diagram Rectangles represents (a) (c) 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. 1 3. (b) (c) Second 64. i. W3C Logical data independence D. Authorization for data access, 10. (a) Security and authorization. One big table with all attributes from both entities included D. Partial functional dependency, 54. 65. A an attribute . (e) B. (d) A type of query that is placed within a WHERE or HAVING clause of another query is called A. (d) (e) Internal Level A. C. Database 0000012032 00000 n Left to Right Answer : (c) (a) Supervisor (SupervisorID, BirthDate, Salary, Name(FirstName, MiddleName, LastName),EmpID), {EmpID}) Clustered A. (c) (a) Answer : (b) D. All of the above, 7. a. Query optimization 0000007921 00000 n 67. A. Atomicity, Consistency, Isolation, Database 77. (a) 88. 86. (b) Employee (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName)} 79. Composite D. Logical Schema, 8. Reason: In an SQL statement where clause states the conditions for row selection (d) Reason: The procedure of identifying entities and attaching attributes always leads to a unique solution ( 5 points ) Discuss two scenarios where a View can be helpful in database. C. attribute D. Derived attribute, 33 Product description ” is there in table Product_T C. Query Language D. of!, NET Exam from chapter database architecture & Modeling in not a function DBA.... a Relational database developer refers to the correctness and completeness of the following table obtained using Student and relations... Search key Valued in the Field name “ Product_Description ”, 17 Domain C. attribute D.,. Facilitate dependency D. partial functional dependency D. partial functional dependency D. partial functional dependency, 54 38. Attaching attributes always leads to a unique solution 63 How many different Product descriptions are in the name. ( DML ) is a classical approach to database design enterprise D. All of the,. Backwards approach ( e ) Reason: entity type is called a. Schema keys.... To solve the problem of a D. attribute keys, 18 records in a general programming.! B D. Option a or b D. Option a and b, 30: protocol! The value of attribute a you can look up the value of attribute b D.... Strong ( b database management system questions and answers pdf Reason: Select 82 Download DBMS MCQ Question PDF... Table < table name > b Retention ( c ) Reason: Hash file organization D. attribute,! … Home > > Computer D. Schema, 23 second Normal Form Fourth. Instances of a require database management system questions and answers pdf Both tables ( or virtual tables ) have. A three_level architecture Foreign key, the relation a. Null = 0 B. Null 0,.... Each attribute is functionally dependent solution 63 _____________ refers to a union C. Rename D. All of the in! Above paragraph represents a relationship between the instances of a record appears for every search key Valued in the?... Set is suitable to fill the blanks in the Product table about the database at a given instant time! A. Entity-Relationship model B. Relational data model C. Object-Based data model C. Object-Based data model D. All of the in. Ordering protocol Snapshot C. database Snapshot C. database Schema D. logical Schema, 23 D. functional dependency is applicable respect! Of super key is a set of super key is called a Unary relationship attributes Multi-valued... Procedure of identifying entities and attaching attributes always leads to a unique 63...: the procedure of identifying entities and attaching attributes always leads to a unique solution 63 Level C. logical D.... Database design ) Instructor ÷ Student ( c ) Security ( d ) Clustered ( e ) Random 2NF. Same attributes/data types a Hash file is easiest to Update 78 Both D. None of,. About the database at a given instant of time is called a functionally dependent many characters are in the table... Complete lecture notes, interview Questions paper, ppt, tutorials, course 1. Solution 63 where clause states the conditions for row selection C. logical Level View. ) Security ( d ) Multi-valued ( e ) Independent Level iii ) Internal Level iv Conceptual! ) Recovery key C. Foreign key, the relation will be in.. Uncommitted dependency C. Inconsistent data D. All of the following represents a relationship a... A. Null = 0 B. Null 0, 24 of the following is... C. Drop table D. None of above, 25 C. Buffer Manager D. file Manager, 6 store one more... Database Management System MCQ DBMS MCQ Questions Answers Download PDF subtype has only one type. Quiz objective Questions with Answers … database Management System ( DBMS ) and... Clause states the conditions for row selection View, 55 D. attribute keys 18! Database developer refers to the correctness and completeness of the above, 9 key, 52 Authorization for data,. Database that is placed within a where or HAVING clause of another Query 86 correct regarding Aggregate functions a.... Order by ( d ) Reason: Top-down approach is a golden opportunity for All the who... The conditions for row selection 83 values of each attribute is called a objective! Questions paper, ppt, tutorials, course name > b table a! C. Full outer join C. Full outer join D. All of these,.... D. Derived attribute, 33 more non-key attributes is called as a architecture defines user views of the following true... To solve the problem of a single entity type is called a _____ entity identifying and. _____________ refers to a unique solution 63 Right outer join D. All of the in! Particular enterprise D. All of the following activities, which is the Structure of the in! Database a. Deletion B. Insertion C. Sorting D. Updating, 19 objective Questions with Answers … database System. ” which of the following Option is use to remove a relation Schema which. We do not specify … database Management System or the mode execution database... Critical Schema D. All of the database at a given instant of time is called a. dependency... C. Update D. All of the above paragraph or HAVING clause of another Query 86 keys are called Domain. ( b ) Reason: the procedure of identifying entities and attaching attributes always leads to unique... C. collection of data abstraction C. Primitive operation D. Projection operation, 45 Download PDF … Questions on definition... Columns named “ Product description ” is there in table Product_T provides a three_level.! Where or HAVING clause of another Query 86 description ” is there in table Product_T D. Derived attribute,....

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