How do you select unique values in sql?
What is mdf ldf and ndf?
Can delete statement be rollbacked?
How to use boolean type in select statement?
please explain database architecture..
What is varchar used for?
What are different types of indexes?
what are integrity rules?
Which is the correct statement about truncate and delete?
Can we rename a column in the output of sql query?
Is sql free?
What are the two different parts of the pl/sql packages?
Name some usages of database trigger?