To delete a database Connect to the Database Engine. From the Standard bar, selectNew Query. Copy and paste the following example into the query window and selectExecute. This example removes theSalesandNewSalesdatabases. SQLCopy USEmaster; GODROPDATABASESales, NewSales ; GO ...
Using Transact-SQL For more information, see DROP DATABASE (Transact-SQL). To delete a database Connect to the Database Engine. From the Standard bar, select New Query. Copy and paste the following example into the query window and select Execute. This example removes the Sales and NewSales...
Transact-SQL 語法慣例 語法 syntaxsql 複製 sp_delete_database_backuphistory [ @database_name = ] N'database_name' [ ; ] 引數 [ @database_name = ] N'database_name' 指定備份和還原作業所涉及的資料庫名稱。 @database_name為 sysname,沒有預設值。 傳回碼值 0 (...
T-SQL(Transact Structured Query Language)是标准的SQL的扩展,是程序和SQL Server沟通的主要语言。 T-SQL语言主要由以下几部分组成: 数据定义语言(DDL):用来建立数据库、数据库对象等,如CREATE TABLE、DROP TABLE等。 数据控制语言(DCL):控制数据库的存取许可、权限等,如GRANT等。 数据操纵语言(DML):用于插入、修...
T-SQL(Transact Structured Query Language)是标准的SQL的扩展,是程序和SQL Server沟通的主要语言。 T-SQL语言主要由以下几部分组成: 数据定义语言(DDL):用来建立数据库、数据库对象等,如CREATE TABLE、DROP TABLE等。 数据控制语言(DCL):控制数据库的存取许可、权限等,如GRANT等。
OPTION(<query_hint> [,...n]) Keywords that indicate which optimizer hints are used to customize the way the Database Engine processes the statement. For more information, seeQuery Hints (Transact-SQL). Best Practices To delete all the rows in a table, useTRUNCATE TABLE.TRUNCATE TABLEis fas...
在SQL Server 中,删除数据库的命令是( )。A.DELETE DATABASEB.CLOSE DATABASEC.DROP DATABASED.RECYCLE
Query:Delete from Salesperson where Salary=18000 Output: The row with Salary=18000 is deleted. How to removes aTRIGGERconsist of DML statement a Delete, Insert, Update for a table from the database. Syntax:Delete TRIGGER ON Table_Name for DELETE / INSERT / UPDATE ...
Using Transact-SQL To delete a table in Query Editor InObject Explorer, connect to an instance of Database Engine. On the Standard bar, clickNew Query. Copy and paste the following example into the query window and clickExecute. DROP TABLE dbo.PurchaseOrderDetail; ...
このdeletesAreDetected メソッドは、java.sql.DatabaseMetaData インターフェイスの deletesAreDetected メソッドで指定されています。 注意 SQL Server は更新可能なすべてのカーソルの種類の削除された行を検出しますが、順方向カーソルと動的カーソルについては、検出は一時的です。