语法: 删表 DROP TABLE Syntax DROP [TEMPORARY] TABLE [IF EXISTS] tbl_name [, tbl_name] ... [RESTRICT | CASCADE] 可一次删除一张或多张表。需具有所删除表上的DROP权限。表定义文件和数据文件均被移除。
To remove existing tables, you use the MySQLDROP TABLEstatement. The syntax of theDROP TABLEis as follows: 1 2 DROP[TEMPORARY]TABLE[IF EXISTS]table_name[,table_name]... [RESTRICT|CASCADE] TheDROP TABLEstatement removes a table and its data permanently from the database. In MySQL, you can...
In order to remove existing tables, you use the MySQLDROP TABLEstatement. The syntax of theDROP TABLEis as follows: DROP [TEMPORARY] TABLE [IF EXISTS] table_name [, table_name] ... [RESTRICT | CASCADE] TheDROP TABLEstatement removes a table and its data permanently from the database. I...
15.1.32 DROP TABLE Statement DROP [TEMPORARY] TABLE [IF EXISTS] tbl_name [, tbl_name] ... [RESTRICT | CASCADE] DROP TABLE removes one or more tables. You must have the DROP privilege for each table. Be careful with this statement! For each table, it removes the table definition ...
删表DROPTABLE SyntaxDROP[TEMPORARY] TABLE [IF EXISTS] tbl_name [, tbl_name] ... [RESTRICT | CASCADE] 可一次删除一张或多张表。需具有所删除表上的DROP权限。表定义文件和数据文件均被移除。表被删除后表上的用户权限不会被自动删除。参数里表中指定的表名不存在则报错,但对于存在的表仍会删除。可通...
TheUNDOkeyword must be specified to drop an undo tablespace. Only undo tablespaces created usingCREATE UNDO TABLESPACEsyntax can be dropped. An undo tablespace must be in anemptystate before it can be dropped. For more information, seeSection 17.6.3.4, “Undo Tablespaces”. ...
一、SQL中的语法1、droptable 表名称 eg:droptable dbo.Sys_Test2、truncate table 表名称 eg: truncate table dbo.Sys_Test3、delete from 表名称 where 列名称 = 值 eg: delete from dbo.Sys_Test where test=‘test’二、drop,truncate,d drop语句用法mysql ...
You can also drop databases withmysqladmin. SeeSection 4.8. CREATE TABLESyntax CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)] [table_options] [select_statement] create_definition: col_name type [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT] [PRIMAR...
pt-archiver nibbles records from a MySQL table. The --source and --dest arguments use DSN syntax; if COPY is yes, --dest defaults to the key's value from --source. For more details, please use the --help option, or try 'perldoc /usr/local/bin/pt-archiver' for complete documentatio...
首先你要知道他们的区别和联系：delete和truncate table的最大区别是delete可以通过WHERE语句选择要删除的...