Tables：表Database：数据库Function：函数Trigger：触发器Stored Procedure：存储过程Column：列User：用户Type：类型View：视图Schema：架构示例：删除列示例：ALTER TABLE PERSON DROP COLUMN IF EXISTS NAME。这表明如果PERSON表中存在名为NAME的列，则将其
DROPobject_typeIFEXISTSobject_name 能够用于DROP的object_type，如Tables, Database, Function, Trigger, Stored Procedure, Column, User, Type, View, Schema，皆可套用,比如：ALTER TABLE PERSONDROP COLUMN If EXISTS NAME SQL Server 2016新特性：DROP IF EXISTS 标签：basesysges.netschfunctionname...
新版本(SQL Server 2016): DROP TABLE IF EXISTS PERSON DROP IF EXISTS的语法如下: DROPobject_typeIFEXISTSobject_name 能够用于DROP的object_type,如Tables, Database, Function, Trigger, Stored Procedure, Column, User, Type, View, Schema,皆可套用,比如: ALTER TABLE PERSON DROP COLUMN If EXISTS NAME...
Removes one or more stored procedures or procedure groups from the current database in SQL Server.Transact-SQL syntax conventionsSyntaxsyntaxsql העתק -- Syntax for SQL Server and Azure SQL Database DROP { PROC | PROCEDURE } [ IF EXISTS ] { [ schema_name. ] procedure } [ ,....
StoredProcedure.DropIfExists MethodReference Feedback DefinitionNamespace: Microsoft.SqlServer.Management.Smo Assembly: Microsoft.SqlServer.Smo.dll Package: Microsoft.SqlServer.SqlManagementObjects v172.64.0 Drops the object with IF EXISTS option. If object is invalid for drop function will return ...
Bug #8762 Stored Procedures: Inconsistent behavior of DROP PROCEDURE IF EXISTS statement. Submitted: 24 Feb 2005 0:32Modified: 3 Mar 2005 10:38 Reporter: Disha Email Updates: Status: Closed Impact on me: None Category: MySQL ServerSeverity: S3 (Non-critical) Version: 5.0.2OS: Linux (...
DROP {PROCEDURE | FUNCTION} [IF EXISTS] sp_name These statements are used to drop a stored routine (a stored procedure or function). That is, the specified routine is removed from the server. (DROP FUNCTION is also used to drop loadable functions; see Section 13.7.3.2, “DROP FUNCTION St...
BUG#13684: SP: DROP PROCEDURE|FUNCTION IF EXISTS not binlogged if routine does not exist There is an inconsistency with DROP DATABASE IF EXISTS, DROP TABLE IF EXISTS and DROP VIEW IF EXISTS: those are binlogged even if the DB or TABLE does not exist, whereas DROP PROCEDURE IF EXISTS ...
Given a valid property name@name, if all object types and names areNULLand a property exists on the current database, that property is deleted. SeeExample Bthat follows later in this article. Permissions Members of the db_owner anddb_ddladminfixed database roles can drop extended pr...
mysql中drop table if exist # MySQL中drop table if exist 详解 在MySQL中,当我们需要删除一张表时,通常使用`DROP TABLE`命令。但是有时候,我们并不确定这张表是否存在,这时就需要使用`DROP TABLE IF EXISTS`命令。本文将详细介绍`DROP TABLE IF EXISTS`命令的用法,并提供代码示例以帮助读者更好地理解。 ##...