151 DBMS MCQ Questions and Answer

A relational database consists of a collection ofa) Tablesb) Fieldsc) Recordsd) Keyse) none of these A __ in a table represents a relationship among a set of values.a) Columnb) Keyc) Rowd) Entrye) none of these b The term _ is used to refer to a row.a) Attributeb) Tuplec) Fieldd) Instancee) none of these The term … Read more

DBMS MCQ Questions and Answer Set-9

Dbms_Mcq

It Includes the latest DBMS MCQ Questions and Answer.SQL Online test questions and answers. 1.Evaluate the SQL statement: SELECT ROUND (TRUNC (MOD (1600, 10),-1), 2) FROM dual; What will be displayed? a) 0 b) 1 c) C.0.00 d) D.an error statement Ans A 2.Evaluate the SQL statement: TRUNCATE TABLE DEPT; Which three are true about … Read more

DBMS MCQ Questions and Answer Set-4

DBMS-MCQ

1. Which of the following relational algebra operations do not require the participating tables to be union-compatible? (A) ) Union (B) Intersection (C) Difference (D) Join Ans: (D) 2. Which of the following is not a property of transactions? (A) Atomicity (B) Concurrency (C) Isolation (D) Durability Ans: (B) 3. Checkpoints are a part of … Read more

DBMS Assignment-Level-1

DBMS_Assignment

Create table Vendors as follows: Ven_id Ven_name Contact Street City Salary Dept_id 1 Ratna 9044670000 Rajiv Chowk Delhi 30000 A01 2 Anjali 9839780000 Vijay Nagar Kanpur 21000 A01 3 Rahul 9532890000 Model Town Delhi 35000 B02 4 Ankit 7522900000 Rajajipuram Lucknow 24500 C03 5 Sumit 7271000000 Ramadevi Kanpur 26000 B02 6 Kapil 7890120000 Mall Road … Read more

DBMS MCQ Questions and Answer Set-6

DBMS-MCQ

1-A Database Management System (DBMS) is A. Collection of interrelated data B. Collection of programs to access data C. Collection of data describing one particular enterprise D. All of the above 2. Which of the following is not a level of data abstraction? A. Physical Level B. Critical Level C. Logical Level D. View Level 3. Disadvantages of File … Read more