Interview Questions Answers in Oracle General

abhishek

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Answers / { abhishek }

Question { Amazon, 26788 }

what is unique key?

Answer

a sort of primary key..just it allows NULL values

Is This Answer Correct ?

7 Yes

2 No

Question { Cap Gemini, 9372 }

difference between imlicit cursor and explicit cursor ?

Answer

implicit cursor is a memory space created by oracle..and
explicit cursor is named memory area

Is This Answer Correct ?

0 Yes

1 No

Question { Cap Gemini, 11101 }

if you update view? where we store the data?

Answer

in the table itself..view does not contain any data!

Is This Answer Correct ?

8 Yes

0 No