desc 表名; -- 查看创建表的SQL语句 show create table 表名; -- 修改表名 alter table 表名 rename to 新的表名; -- 添加一列 alter table 表名 add 列名 数据类型; -- 删除列 alter table 表名 drop 列名; -- 删除表 drop table 表名; drop table if exists 表名 ; 1. 2. 3. 4. 5. ...
mysql> truncate table info; '删除表中数据' Query OK, 0 rows affected (0.02 sec) mysql> select * from info; Empty set (0.00 sec) 1. 2. 3. 4. 5. 删除表结构: mysql> drop table info; Query OK, 0 rows affected (0.00 sec) mysql> show tables; +---+ | Tables_in_school | +--...
SETUSER X TRUNCATE TABLE X (1) X UPDATE X (1) X UPDATE STATISTICS X (1) UPDATETEXT X (1) X WRITETEXT X (1) X (1) 权限也适用于对象所有者。(2) 有关更多信息,请参见 DBCC 语句。说明db_accessadmin 固定数据库角色的成员没有执行任何 Transact-SQL 语句的权限,只可执行特定的系统存储过程...
TruncateTableStatement TruncateTargetTableSwitchOption TryCastCall TryCatchStatement TryConvertCall TryParseCall TSEqualCall TSql100Parser TSql110Parser TSql120Parser TSql130Parser TSql140Parser TSql150Parser TSql160Parser TSql80Parser TSql90Parser TSqlAuditEventGroupHelper TSqlAuditEve...
声明Public Sub Grant ( _ permission As ObjectPermissionSet, _ granteeNames As String(), _ grantGrant As Boolean _ ) 用法 Dim instance As Table Dim permission As ObjectPermissionSet Dim granteeNames As String() Dim grantGrant As Boolean instance.Grant(permission, granteeNames, _ grantGrant) 参...
SELECT@sql= 'TRUNCATE TABLE ' + quotename(s.name) + '.' + quotename(o.name) FROM sys.schemas s JOIN sys.objects o ON s.schema_id = o.object_id WHERE o.object_id = object_id(@strTabla) IF@sqlIS NULL RAISERROR('No such table %s', 16, 1,@strTabla) ...
TruncateTableStatement TruncateTargetTableSwitchOption TryCastCall TryCatchStatement TryConvertCall TryParseCall TSEqualCall TSql100Parser TSql110Parser TSql120Parser TSql130Parser TSql140Parser TSql150Parser TSql160Parser TSql80Parser TSql90Parser TSqlAuditEventGroupHelper TSqlAuditEventTypeHel...
GRANT { { SELECT | INSERT | UPDATE | DELETE | TRUNCATE | REFERENCES | TRIGGER | ANALYZE | ANALYSE | VACUUM | ALTER | DROP } [, ...] | ALL [ PRIVILEGES ] } ON { [ TABLE ] table_name [, ...] | ALL TABLES IN SCHEMA schema_name [, ...] } TO { [ GROUP ] role_name |...
TRUNCATE 允许在指定的表上TRUNCATE。 REFERENCES 允许创建引用指定表或指定表列的外键约束。(请参阅CREATE TABLE语句。) TRIGGER 允许在指定的表上创建触发器(见CREATE TRIGGER语句)。 CREATE 对于数据库,允许在其中创建新模式或发布。 对于模式,允许在其中创建新的对象。要重命名一个已有对象,你必须拥有该对象并且具...
GRANT { { SELECT | INSERT | UPDATE | DELETE | TRUNCATE | REFERENCES | TRIGGER | ANALYZE | ANALYSE | VACUUM | ALTER | DROP } [, ...] | ALL [ PRIVILEGES ] } ON { [ TABLE ] table_name [, ...] | ALL TABLES IN SCHEMA schema_name [, ...] } TO { [ GROUP ] role_name |...