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SELECT Statement
This statement is used for retrieving information from the databases. It can be coupled with many clauses. Let us talk about these clauses in more detail:
Using Arithmetic operator
Example:
SELECT ENAME, SAL, SAL+300
FROM EMP;
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
Normal 0 false false false EN-US X-NONE X-NONE
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