what is a clause

Answer 1

'where' , ' group by' , 'order by' , 'Having' , ' from' these are called as clauses

Answer 2

clause means u r putting some conditions , restrictions for eg I want only those record who's department I'd is 105
in this u r ordering u puts a conditions that I want to know all the record who r working in department 105 you don't want any other record that's y we use clauses

Answer 3

where,group by,order by,fron

Answer 4

where

Answer 5

Yup...right...

Answer 6

read DDL DCL commands topic again in case you are still confused