SQL Tutorial - 53- The TRUNCATE TABLE Command叫我萍子就好 立即播放 打开App,流畅又高清100+个相关视频 更多233 -- 5:52 App SQL Tutorial - 3- MySQL Workbench and Command Line Client 38 -- 5:30 App SQL Tutorial - 55- The ALTER TABLE Command 6 -- 3:22 App SQL Tutorial - 14- The...
// partitioned table or an ALTER TABLE EXCHANGE PARTITION. // *Action: Before performing the above operations the table, disable the // foreign key constraints in other tables. You can see what // constraints are referencing a table by issuing the following // command: // SELECT * FROM U...
The CREATE TABLE command creates a new table in the database.The following SQL creates a table called "Persons" that contains five columns: PersonID, LastName, FirstName, Address, and City:ExampleGet your own SQL Server CREATE TABLE Persons ( PersonID int, LastName varchar(255), FirstName...
To delete all the rows from the employee table, the query would be like, DELETE FROM employee; SQL TRUNCATE StatementThe SQL TRUNCATE command is used to delete all the rows from the table and free the space containing the table.Syntax to TRUNCATE a table:TRUNCATE TABLE table_name; ...
Truncate a Table 截表 What if we only want to get rid of the data inside a table, and not the table itself? Use the TRUNCATE TABLE command (deletes only the data inside the table): 当我们只想将表内的数据做完成清楚而保留其内部结构的话,可以使用TRUNCATE TABLE命令(仅仅删除表中的数据) ...
The following SQL deletes the table "Shippers": Example DROPTABLEShippers; Note:Be careful before deleting a table. Deleting a table results in loss of all information stored in the table! TRUNCATE TABLE TheTRUNCATE TABLEcommand deletes the data inside a table, but not the table itself. ...
再次检查表TruncateTable --回滚之后再次检查TruncateTableSELECT*FROMTruncateTabelGO F5执行,如图: 参考:http://blog.sqlauthority.com/2010/03/04/sql-server-rollback-truncate-command-in-transaction/ --EOF-- Author:兴百放 Web:http://xbf321.cnblogs.com/ ...
exec sp_msforeachtable "truncate table ?" --删除当前数据库所有表中的数据 sp_MSforeachtable @command1='Delete from ?' sp_MSforeachtable @command1 = "TRUNCATE TABLE ?" 1. 2. 3. 4. 该方法可以一次清空所有表,但不能加过滤条件. ...
truncate table 表名:清空一张表的所有数据。 create table 表名 like 要复制的表名:复制一张表的结构,然后创建一张新表。 create table 表名 as select * from 要复制的表名:同时复制表结构和数据创建新表。 1.4、表的分析、检查、修复与优化操作 MySQL本身提供了一系列关于表的分析、检查与优化命令: ①分...
Learn more about the Microsoft.SqlServer.TransactSql.ScriptDom.TruncateTableStatement.TruncateTableStatement in the Microsoft.SqlServer.TransactSql.ScriptDom namespace.