Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Bank, GATE and NET

Multiple Choice Interview Questions and Answers for SQL Database Administrator Jobs

31 Which of the following is a data query statement in QUEL ?
D None of the above

Answer: Option [B]
32 Which type of join returns all rows that satisfy the join condition ?
A Inner join
B Outer join
C Semi Join
D Anti join

Answer: Option [B]
33 Which one of the following aggregate SQL function returns number of rows ?
A avg
B min
C count
D sum

Answer: Option [C]
34 Which of the following is not transaction characteristic in SQL ?
A access mode
B diagnnostics size
C isolation level
D commit

Answer: Option [D]
35 Under which condition, the value R ⟨ S/S equal to R (here ⟨ stands natural join and/ denotes division).
A When R and S are having at least one attribute common
B The degree of S is less than the degree of R
C The degree of R is less than the degree of S
D When R and S are having no attribute in common

Answer: Option [A]


Please Like Us