What is the order of defining local variables and sub procedures/functions?
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I have table-A(1,2,3)& table-B(3,4,5).what is the different b/w below questions? A union all B? B union all A?
Explain what are the uses of rollback segment?
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Explain the use of full option in exp command.
Table Has C1 And C2 Column If Exits any record in c1 then Update c2 record Otherwise insert new record in the C1 And C2 (Using Procedure)
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