Clauses :
1. from—Enables you to specify the data source and a variable for iterating over the
data source (a range variable).
2.where—Enables you to filter the results of a query.
3.select—Enables you to specify the items included in the results of the query.
4.group—Enables you to group related values by a common key.
5.into—Enables you to store the results of a group or join into a temporary variable.
6.orderby—Enables you to order query results in ascending or descending order.
7.join—Enables you to join two data sources using a common key.
8.let—Enables you to create a temporary variable to represent subquery results.