What is an exception in PL/SQL? What are the two types of exceptions?
What is normalization? How many normalization forms are there?
How collections are improve the performance?
how to insert the records in particular position
What does select count (*) mean in sql?
Is primary key clustered or nonclustered?
How to disable a trigger name update_salary?
wirte a query to remove null? following table are col1 col2 col3 dinesh null null null suresh null null null prakesh i want the output like col1 col2 col3 dinesh suresh prkaesh
function can return multiple value?how give give sample coding
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How many sql databases can you have on one server?
How do I run a sql trace?
Does mysql_real_escape_string prevent sql injection?
What is a primary key sql?