下面这篇《》

添加字段，只能添加时间类型的字段。想把这个方法改良一下，尽量能做到通用。

 

SET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGO-- =============================================-- Author:      Insus.NET-- Blog:        https://insus.cnblogs.com-- Create date: 2019-05-29-- Update date: 2019-05-29-- Description: 动态为表添加字段-- =============================================CREATE PROCEDURE [dbo].[usp_DyanmicallyAddColumn](    @TABLE_CATALOG SYSNAME,    @TABLE_SCHEMA SYSNAME,    @TABLE_NAME SYSNAME,        @COLUMN_NAME SYSNAME,    @DATATYPE SYSNAME)ASBEGIN    IF NOT EXISTS(SELECT TOP 1 1 FROM [tempdb].[sys].[columns] WHERE object_id = object_id(@TABLE_CATALOG + N'.'+ @TABLE_SCHEMA + N'.' + @TABLE_NAME) AND [name] = @COLUMN_NAME)    OR NOT EXISTS(SELECT TOP 1 1 FROM [sys].[columns] WHERE object_id = object_id(@TABLE_CATALOG + N'.'+ @TABLE_SCHEMA + N'.' + @TABLE_NAME) AND [name] = @COLUMN_NAME)            EXECUTE('ALTER TABLE '+ @TABLE_NAME +' ADD '+ @COLUMN_NAME +' ' + @DATATYPE +'')ENDGO

 

举例使用：