How many types of functions are there in sql?
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Why does %isopen return false for an implicit cursor?
How write primary and foreign key relationship between two tables without using constraints? u can use any of procedure/function/trigger and any sql?
What language is oracle sql developer?
How many types of database triggers can be specified on a table ? What are they ?
What are the components of a PL/SQL block ?
What are the types of triggers in sql?
Can you sum a count in sql?
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
Define commit, rollback and savepoint?
Explain constraints in sql?
write a query to delete similar records in particular fields(columns) in different tables
What is pl sql variable?
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