What is a constraint?
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Explain about various levels of constraint.
What happens when a trigger is associated to a view?
How to get unique records from a table?
What is pl sql in dbms?
What is latest version of sql?
How do I run a sql trace?
counting the no.of characters occurs in a string by using pl/sql function
What is the use of & in pl sql?
What is difference between sql and mysql?
how can we optimize or increase the speed of a mysql select query? : Sql dba
How to run pl/sql statements in sql*plus?
Does varchar need length?
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