Why we use cross join?
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select sal from emp group by sal
Explain UNION,MINUS,UNION ALL, INTERSECT?
When sql appeared?
What is sql and explain its components?
what are myisam tables? : Sql dba
How to find only %th Highest Sal
diff b/w sub query and co-relater query?
what is the difference between stored procedure and packaged procedure
What is auto increment?
Mention what is the plv (pl/vision) package offers?
How does sql developer connect to oracle database?
What is a composite primary key?