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Functional data Supervisor (SupervisorID, BirthDate, Salary, Name(FirstName, MiddleName, LastName),EmpID), {EmpID}) i. W3C (a) The hierarchical database model uses the hierarchic sequence that always starts at Data integrity You do not need to know the value of attribute A in order to look up the value of attribute B DBMS Interview Questions And Answers. (e) B. Deletion iv. (b) (d) (a) D. Derived Attribute, 33. C. Master query (d) Binary Tree Index 89. Consider the following table obtained using Student and Instructor relations. Reason: Dense Index record appears for every search key valued in the file. Bill Gates B. Difficulty in accessing data c. Right to Right Pressing the Enter key without making a prior entry of any kind. Reason: n relational algebra Union, Intersection, Minus operations require that both tables (or virtual tables) involved have the exact same attributes/data types. (b) (d) Answer : (c) (e) (d) c. Facilitate dependency Functional dependencies may be determined if we are given several instances of a relation If a relation has no redundant information its attributes must not have any function dependencies (e) Sparse Index. (e) Middleware. (d) Download CS6302 Database Management Systems Lecture Notes, Books, Syllabus Part-A 2 marks with answers CS6302 Database Management Systems Important Part-B 16 marks Questions, PDF Books, Question Bank with answers Key.. Download link is provided for Students to download the Anna University CS6302 Database Management Systems Lecture Notes,SyllabusPart A 2 marks with answers … Relation (c) Provide rapid, random and sequential access to base-table data Writing SQL statements within codes written in a general programming language (e) (a) External Level D. Modification of information in the Database, 40. Transitive dependency a. A Table 0000008765 00000 n 96. 89. Physical Schema 0000012886 00000 n B. Perpendicular query processing Tree protocol C. Erase table 90. What do you mean by data processing? Left to Right Minus, Multiplication, Intersection Internal Level Each entity must include some descriptive information B. Reason: A property or characteristic of an entity type that is of interest to the organization is called attribute (a) B. Insertion of new information into the database (d) C. Object-Based data model The various relationships of database are: One-to-one: … B. Deadlock. Instructor A transaction completes its execution is said to be In a super type/subtype hierarchy, each subtype has 1 2. 95. Answer : (a) A. 69. 0000008079 00000 n Partial transitive dependency D. Logical Schema, 8. D. All of the above, 9. 79. Answer : (b) Codependent (b) How many different product descriptions are in the Product Table? 74. Derived. 1. Every primary-key value must match a primary-key value in an associated table A. (b) B. 72. Questions 81 To 90 0000000751 00000 n Each mcq has 4 possible answers. Reason: The hierarchical database model uses the hierarchic sequence that always starts at the left side of the tree. Saved D. Bottom – Up approach, 56. (a) 62. D. All of the above, 25. (c) c. Foreign key What is Database Management System (DBMS)? Answer : (a) Attribute 88. Multi-valued Foreign key added on the Child (many side) referencing the parent Knowing the value of attribute A you can look up the value of attribute B A. Select Which of the following is not Unary operation? (d) 72. B a tuple . (c) (c) 77. 0000012506 00000 n Data security Kasun. C. Top – Down approach 80. Table b. A. Schema keys Answer : (a) DBMS MCQ Question with Answer ... Download DBMS MCQ Question Answer PDF ... A relational database developer refers to a record as . (d) Attribute Reason : Buckets are used to store one or more records in a hash file organization. ... management system or the mode execution system… Weak C. 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Answer : (b) If every non-key attribute is functionally dependent on the primary key, the relation will be in Composite Attribute Disk pages Your email address will not be published. A. Deletion (c) 85. 83. Reason: A functional dependency between two or more non-key attributes is called transitive dependency (c) Which of the following is not Modification of the Database Full functional dependency B. 97. 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) Group By Right-side approach Database Management System (DBMS) Questions and Answers . A ________ attribute is an attribute that can be further subdivided to yield additional attributes. A. Transitive dependency B. Subset of a Cartesian product of a list of domains Attributes 100 top DBMS multiple choice questions and answers PDF for freshers and experienced. Data independence. B. E.F. Codd Master query B. A. Selects all the fields from the Customer table for each row with a customer labeled “best” Answer : (e) A. Which of the following is Relation-algebra Operation C. United Modeling Language LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Multiple Answer ... hardware , user system interface , database and its management Information requirement within organization are different. 0000015984 00000 n DBMS Objective type Questions and Answers List. B. Uncommitted Dependency A lock that allows concurrent transactions to access different rows of the same table is known as a (e) (b) Data Manipulation Language a. Stack Foreign key added on both sides (both tables) B. Here we go!! (c) ii. B. Peiris B. Atomicity, Consistency, Isolation, Durability Snapshot of the dta in the database at a given instant of time is called Which of the following is a Data Model? Answer : (b) (c) 96. C. Attributes Project View Answer Discuss. ii. B. Null 0 D. File Manager, 6. Specifying a condition and action to be taken in case the given condition is satisfied in a trigger Unary. The protocol that ensures conflict serializability is What is Database? c. Open database connection 78. Data Definition Language b. (c) C. Update (b) 62. (b) (c) 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 screen and report formats and other system components. Business rule constraint Create Table Internal Level Adjectives written in the database requirement description help to identify the partial relationships among entities. 66. 97. (b) The FDs that hold for attributes of a relation need not be satisfied at all times (b) Simple (d) Correct Answer … D. Data independence, 57. D. it takes a single value and returns a single value as result, 29. Which of the following questions is answered by the SQL statement? iv. Enlist the various relationships of database. a. The nouns arising from a database requirement description can be considered as names of attributes (e) (e) Transitive dependency Horizontal Fragmentation is C. Tuple Backwards approach 94. (b) D. Multi-query, 60. Baskets. 90. Divide the data up by logical groups of records (a) (5 points) Discuss two scenarios where a view can be helpful in a database man-agement system. Counts all records and displays the value. 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. Answer : (b) 78. C. Critical Schema (e) Union, Intersection, Minus First Parallel query processing The attribute that can be divided into other attributes is called A. Entity sets A. Divide the data up by logical groups of files In DBMS FD stands for _______ D. Partial functional dependency, 54. (d) We are answering all the questions on the database … (c) (e) 81. Relation Multi level index (b) Answer : (c) Conceptual Level A. Delete table
_______ allow us to identify uniquely a tuple in the relation. A. b. Arithmetic algebra (b) 71. B. (c) (d) 82. At most two super types First (b) Efficiency (c) D. All of the above, 11. B+ tree. External Level (e) Making a change to the conceptual schema of a database but not affecting the existing external schemas is an example of Required fields are marked *. Candidate key Sujith Not at all. D. Cartesian Product, 28. A property or characteristic of an entity type that is of interest to the organization is called an 85. Answer : (d) Answer : (a) Answer : (b) 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. Cross-function Ans: A super key is a set of attributes of a relation schema upon which all attributes of the schema are functionally dependent. ii. iii. (b) Which of the following is correct regarding Aggregate functions? Conceptual Level. (a) User View Left outer join Routine Maintenance 0000007921 00000 n 63. c. Primitive operation (a) Non Null A relation that has no partial dependencies is in which normal form A. A. Which of the following in not Outer join? Reason: Divide the data up by logical groups of records. Lname : (b) A table that displays data redundancies yields ____________ anomalies A. Domain C. Relationship sets A. Atomicity, Consistency, Isolation, Database (e) B. Concurrency Control Balanced Tree Index 92. Answer : (a) Primary key Supervision (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName), EmpID) .ANSI/ARPANET 67. Divide the data up by logical groups of entities Multiple partition query Which of the following type of index is automatically created when we do not specify? Writing a SQL statement to retrieve data from more than one relation C. Tuple The right side of the tree The property of transaction which ensures that either all operations of the transaction are reflected properly in the database or none, is called (a) b. D. Multi-valued attributes, 34. 88. These solved quiz objective questions with answers … b. Generalized selection Recovery. (a) Data redundancy and inconsistency 76. Multiplication and Division The minimal set of super key is called Three Phase lock. (d) Exclusive lock First Normal Form C. Data isolation 0000012032 00000 n a. Offline database connection 66. (d) Divide the data up by logical frames. 68. B. A. Buckets D. Every foreign-key value must match a foreign-key value in an associated table, Answers :- Reason: Sub-query that is placed within a WHERE or HAVING clause of another query External Level c. Relation K is a key for some other relation None of the above. Sub query A. Min Answer : (b) (a) D. All of the above, 2. (e) (e) Business integrity Which of the following concept is applicable with respect to 2NF? Answer : (a) C. Subset of a Cartesian product of a list of tuple Decrease the cost of implementation. A. (d) Database Instance Employee (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName)} Answer : (b) 0000014224 00000 n Which relational algebra operation could have been applied on the pair of relations Student and Instructor to obtain the above data? (d) D. Avg, 32. 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. Reason: A null value is created or represented by Pressing the Enter key without making a prior entry of any kind 0000014428 00000 n C. Functional dependency (c) (a) Co-related query. Internal Level 93. Here, i am sharing with you some important Database Management System MCQ's type questions answers. 73. Your email address will not be published. State the unit of storage that can store one or more records in a hash file organization C. it takes a single value and returns a list of values as result Order By 80. relationship types 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 … Critical Level 1 7. Double click to Download PDF … A type of query that is placed within a WHERE or HAVING clause of another query is called (e) B. 0000016063 00000 n Answer : (b) ii. 68. 98. Decrease the amount of disk space utilized d. All of these, 49. A type of query that is placed within a WHERE or HAVING clause of another query is called Attribute (b) Layered Protocol. Sharability D. Schema, 17. A. Insertion (a) b. 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Student ? 84. B. iv. 65. 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. More Topics. (d) B. 1 6. 91. ______________ is a classical approach to database design? (d) C. Third Normal Form D. Domain, 13. D. BCNF, 53. B. Multi-valued attributes Partial non-key dependency Bitmap Only one super type 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 … Home » DATABASE MANAGEMENT SYSTEM Questions » 300+ TOP Database Management System Questions and Answers, 1. D. All of the above, 58. 76. B. Column header is refer as (b) 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. Which of the following is a classical approach to database design? Which of the following is not correct? (b) (c) Sequential Primary key Knowing the value of attribute A you can not look up the value of attribute B Durability The procedure of identifying entities and attaching attributes always leads to a unique solution A. a. (d) D. Null 0, 24. Answer : (a) Using the EMBED key word in a SQL statement A logical description of some portion of database that is required by a user to perform task is called as D. All of the above, 20. Reason: The protocol that ensures conflict serializability is time stamp ordering protocol. Answer : (d) Reason : Embedded SQL refers to writing SQL statements within codes written in a general programming language. Every tuple of R1 has a distinct value for K Simple Attribute Secondary index D. Relationship sets, 35. D. All of the above, 21. Who proposed the relational model? Pressing the ESC key (d) A relationship between the instances of a single entity type is called a _____ relationship. Data availability and recovery from failures. Answers (a) a. d. Fourth, 50. A. Divide the data up by logical groups of attributes Answer : (e) Relationship (d) (d) What are super, primary, candidate and foreign keys? A. Super key What does the following SQL statement do? C. Option A or B A. Super query 1 4. C. Rolled 1 5. C. Weak entity set In an Entity-Relationship Diagram Rectangles represents (b) (b) D. All of the above, 7. D a relation . Disadvantages of File systems to store data is: Record controller Super query Which of the following is the structure of the Database? No two rows … Collection of programs to access data Primary C. Buffer Manager (d) 0000008506 00000 n A. Reason: In an SQL statement where clause states the conditions for row selection D. All of the above, 38. Left – Right approach (e) 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 Universal Modeling Language B. Increase the cost of implementation %PDF-1.2 %���� 95. 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… B. A. Clustered Random. Answer : (e) Strong Reason: Indexes are created in most RDBMS’s to Provide rapid, random and sequential access to base-table data (a) a. (d) A. Attributes C. Deletion of information from the database Multi-query Select C. Multi-valued Attribute 64. C. 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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 Create information table in the Database (b) Which of the following set is suitable to fill the blanks in the above paragraph? (e) Facilitate data ODBC stands for ______ 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 … (b) (a) A. it takes a list of values and return a single values as result (c) A. A. 87. (e) Which of the following option is use to retrieval of data? Database Management System Multiple Choice Questions and Answers or DBMS MCQs for GATE, NET Exam from chapter Database Architecture & Modeling. Query optimization Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. A. B. (b) Two phase lock Union D. Domain, 16. (e) C. Inconsistent Data Collection of interrelated data 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 C. Relation Which of the following is not a level of data abstraction? Oriented database connection Reason: top-down approach is a classical approach to database design (c) 0000000827 00000 n 69. (c) Entity Integrity. B. Insertion of new information into the Database B. Logical Manager Select * From Customer Where Cust_Type = “Best”; Drop table
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Are used to store one or more records in a single entity type called. Suitable to fill the blanks in the Product table System or the mode execution system… database Management System - Trivia! Of some portion of database that is required by a user to perform task is called _____., 49 logical Schema of the database look up the value of attribute you. C. Third Normal Form D. Fourth Formal database management system questions and answers pdf, 37 Ellipses ” represents a relationship between the of! A where or HAVING clause of another Query 86 connection D. None of above, 26 primary C.... Level C. logical Level D. View Level, 3 HAVING clause of another Query.. Said to be a, 12, 6 and All its data from the database a. Delete <. Correct regarding Aggregate functions, 30 with Answers … database Management System - DBMS Trivia Questions Answers. 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