Is a foreign key always unique?
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What is recursive stored procedure?
I have a package in which a table was used in a procedure and compiled later i have dropped the table used in the package what would be the status of package specification and body
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 do you write a complex sql query?
what is dbms? : Sql dba
Does execute immediate commit?
When you have to use a default "rollback to" savepoint of plvlog?
How to avoid duplicate records in a query?
What is triggering circuit?
What is a natural join sql?
What are the advantages of sql?
difference between pl/sql table and normal pl/sql table
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