What is pl/sql table? Why it is used?
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What are the qualities of 2nf?
in a package one procedure is wrong package shows valid or not
If we declare constraints Unique and Not null on a single column then it will act as a Primary key, so what is the use of primary key??
What is a memo field?
Can we use commit or rollback in trigger? If yes, then how. Please explain with a suitable example?
How does index help in query performance?
What are hotfixes and patches?
What is rtm in testing?
I have a Employee table with columns ename,eid,salary,deptno. How to retrieve sum of salary for each deptno?
What is latest version of sql?
What is oracle sql called?
what are integrity rules?
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