DBMS Tutorial Point
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
This article includes the latest and most important DBMS MCQ questions which are very important regarding interviews. 1. Consider a Payment table with attributes PAY_ID (Primary Key), PAY_DT, PAY_AMT, BANK_ACCT, INIT_NAME, and PAY_MODE. Except for PAY_ID, no columns are unique. The table has three indexes as follows: IDX1 – PAY_ID IDX2 – BANK_ACCT, PAY_AMT IDX3 … Read more
1) Determine the highest possible normal form of the given relation: A –>BCDEF, BC –> ADEF, B –>F a) 1NF b) 2 NF c) 3NF d) BCNF ANS: A 2) How many types of Indexes are there in SQL Server? a) 1 b) 2 c) 3 d) 4 ANS: B 3) What is the default … Read more
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