Are left and right joins the same?
Is left join inner or outer by default?
What is nosql example?
Does truncate release storage space?
What are the types of optimization?
Which sql most popular?
what is recursive stored procedure? : Sql dba
Is pl sql useful?
Does indexing improve query performance?
Is it important to partition hard disk?
Does mysql_real_escape_string prevent sql injection?
What is sql used for?
What are all ddl commands?