Does group by remove duplicates?
How can I create a table from another table without copying any values from the old table?
can we write stored function in out parameters? how to call through select statement? how to written more than one value plz give the exmple?
what is error ora-03113: end-of-file on communication channel?
Is sqlite thread safe?
What are the modes of parameters that can be passed to a procedure ?
How can we implement rollback or commit statement in a trigger?
What is the use of a view in sql?
Which is faster union or join?
What is a mutating table
Can we use pl sql in mysql?
What is materialized view. What are different methods of refresh?
What is the result, when NULL is compared with NULL?