What are triggers and its uses?
Which is faster union or join?
What are database links used for?
What is time based sql injection?
Why use stored procedures?
What are sql ddl commands?
How will you select unique values from a list of records?
What is a loop in sql?
which operator is used in query for pattern matching? : Sql dba
How to maintain the history of code changes of pl/sql?
What are different sql data types?
What does “select count(1) from tab” result?
How do I run a sql trace?