CREATE PROCEDURE sp_DeleteAllData AS EXEC sp_MSForEachTable 'ALTER TABLE ? NOCHECK CONSTRAINT ALL'--禁用约束 EXEC sp_MSForEachTable 'ALTER TABLE ? DISABLE TRIGGER ALL'--禁用触发器 EXEC sp_MSForEachTable 'DELETE FROM ?'--清数据 EXEC sp_MSForEachTable 'ALTER TABLE ? CHECK CONSTRAINT A...
EN1、点击[testdb] 2、点击[表] 3、点击[新建] 4、点击[表] 5、点击[列名] 6、点击[...
在sql server数据库中快速删除记录,清空表若要删除表中的所有行,则 TRUNCATE TABLE 语句是一种快速、无日志记录的方法。TRUNCATE TABLE 与不含有 WHERE 子句的 DELETE 语句在功能上相同。但是,TRUNCATE TABLE 速度更快,并且使用更少的系统资源和事务日志资源。 与DELETE 语句相比,TRUNCATE TABLE 具有以下优点: 所用...
1 CREATE PROCEDURE sp_DeleteAllData 2 AS 3 EXEC sp_MSForEachTable 'ALTER TABLE ? NOCHECK CONSTRAINT ALL' 4 EXEC sp_MSForEachTable 'ALTER TABLE ? DISABLE TRIGGER ALL' 5 EXEC sp_MSForEachTable 'DELETE FROM ?' 6 EXEC sp_MSForEachTable 'ALTER TABLE ? CHECK CONSTRAINT ALL' 7 EXEC s...
USEMASTERCREATEPROCEDUREsp_DeleteAllDataASEXECsp_MSForEachTable'ALTER TABLE ? NOCHECK CONSTRAINT ALL'EXECsp_MSForEachTable'ALTER TABLE ? DISABLE TRIGGER ALL'EXECsp_MSForEachTable'DELETE FROM ?'EXECsp_MSForEachTable'ALTER TABLE ? CHECK CONSTRAINT ALL'EXECsp_MSForEachTable'ALTER TABLE ? ENABLE...
We can delete one or more records (commonly known as rows) from a table using the delete statement. The Delete statement removes some or all data (rows) from a table. According to Microsoft documentation, the Delete statement removes one or more rows from a table or view in SQL Server. ...
Delete all records in SQL Server Management Studio Table Delete all rows from a temporary table except those meeting a selection criteria delete bakups older than 1 day delete both parent and child table records in one query. Delete character and everything after it Delete comma from table colu...
一、sql清空表数据的三种方式: 1、truncate–删除所有数据,保留表结构,不能撤销还原 2、delete–是逐行删除速度极慢,不适合大量数据删除 3、drop–删除表,数据和表结构一起删除,快速 二、语法 truncate table 表名 delete from 表名 delete from 表名 where 列名=”value “ ...
sql server 命令大全 --语 句功能 --数据操作 Select --从数据库表中检索数据行和列 Insert --向数据库表添加新数据行 Delete --从数据库表中删除数据行 Update --更新数据库表中的数据 --数据定义 Create TABLE --创建一个数据库表 Drop TABLE --从数据库中删除表...
This article describes how to delete table columns in SQL Server using SQL Server Management Studio (SSMS) or Transact-SQL.Figyelemfelhívás When you delete a column from a table, the column and all the data it contains are deleted.