Whis is not false in primary key?
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Explain UNION,MINUS,UNION ALL, INTERSECT?
What are the different types of joins and explain them briefly.
Write a query to find the names of users that begin with "um" in sql?
which tcp/ip port does sql server run on? : Sql dba
What is pivot table in sql?
Can one improve the performance of sql*loader? : aql loader
i have a table eno dno sal 1 10 200 2 10 150 3 10 100 4 20 75 5 20 100 i want to get sal which is less than the avg sal of thri dept. eno dno sal 2 10 150 3 10 100 4 20 75
How to find string or key value using pl/sql code?
how to fetch alternate records from a table? : Sql dba
what is a sub query?how will you calculate working days in a month using sub query?
What is the trigger in sql?
What are the various levels of constraints?
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