What is the purpose of primary key?
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How can we implement rollback or commit statement in a trigger?
how to present a past time in hours, minutes and seconds? : Sql dba
What is the usage of NVL?
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I need a exceptoin in pl/sql block so that if any errors occur in the block then no exception should errors should raise?
What is the use of pl/sql table?
What are the default Oracle triggers??
what is an extent ? : Sql dba
Which clause of an UPDATE statement allows you to affect only certain rows of a table? 1. The WHERE clause 2. The SET clause 3. The ROWS AFFECTED clause 4. The ORDER BY clause
What is plpgsql language?
Which command is used to delete a trigger?
What does count (*) mean?
What do you understand by pl/sql packages?
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