関連ワード:  how to delete database in sql server    how to delete database in sql server using query    how to close database connections sql server    how to delete database user in sql server    how to close all connections to a database in sql server    how to delete all data from database in sql server    how to delete all tables from database in sql server    how to restore database in sql server    how to create database in sql server    how to backup database in sql server