Which of the following statements is NOT correct?

The query processor handles queries and modifications of both data and

schema.

Queries, tansactions$,$ and schema creations are considered to be as input to the

Database Management System.

The job of the query processor and the query optimizer is to find the best plan to

process the query and to issue commands to the storage and buffer manager.

Logical data independance is the ability to modify physi

cal schema with little or

no impact on the conceptual schema.