All « Select Clause « SQL / MySQL

1.Count and Count all
2.Sub query with ALL command
3.ALL operator requires that all values returned by the subquery must cause the expression to evaluate to true b
4.Not exists and subquery of all columns
5.Less than and equals all records from subquery
6.Less than all value from subquery
7.Greater than and equals all value from subquery
8.(Greater than and equals)>= ALL