What do you mean by field in sql?
what is bdb (berkeleydb)? : Sql dba
How many rows will return from dual table?
What is varray in pl sql?
How does rowid help in running a query faster?
What is transaction control language (tcl)?
How to call DDL statements from pl/sql?
What is the difference between UNIQUE KEY and UNIQUE INDEX?
What is column?
What is sqlerrd?
how to do backup entire database? : Transact sql
what is datawarehouse? : Sql dba
i need department wise top 2 employees salary.which logic i will use