--Reset identity column IFEXISTS(SELECT*FROMINFORMATION_SCHEMA.COLUMNS WHERECOLUMNPROPERTY( OBJECT_ID(QUOTENAME(table_schema)+'.'+QUOTENAME(@tableName) ), column_name,'IsIdentity' )=1 ) DBCCCHECKIDENT(@tableName,RESEED,0) End SETNoCountOFF 1、先找出没有外键约束的表,truncate 2、有外键的表,先delete,再复位identity列 于是得出, 语句丁...
If the table contains an identity column, the counter for that column is reset to the seed value defined for the column. If no seed was defined, the default value 1 is used. To retain the identity counter, use DELETE instead. Restrictions You cannot use TRUNCATE TABLE on tables that: Are...
If the table contains an identity column, the counter for that column is reset to the seed value defined for the column. If no seed was defined, the default value1is used. To retain the identity counter, useDELETEinstead. ATRUNCATE TABLEoperation can be rolled back within a transaction. ...
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createtablec(idintidentity(1,1),caint,cbint) insertintoc select1,2unionall select1,3 先来看看第一种需求:只要数据库中表是空的。 这个其实并不难,用一个游标循环得出所有表名,再清除所有表,delete或truncate table 提供几个语句:以下语句均在SQL2000/SQL2005/SQL2008下使用通过。
TruncateTableStatement TruncateTargetTableSwitchOption TryCastCall TryCatchStatement TryConvertCall TryParseCall TSEqualCall TSql100Parser TSql110Parser TSql120Parser TSql130Parser TSql140Parser TSql150Parser TSql160Parser TSql80Parser TSql90Parser TSqlAuditEventGroupHelp...
When used with BACKUP LOG, the COPY_ONLY option creates a copy-only log backup, which doesn't truncate the transaction log. The copy-only log backup has no effect on the log chain, and other log backups behave as if the copy-only backup doesn't exist. For more information, see Copy...
Migrating TRUNCATE TABLE Statements from Oracle to SQL Server The TRUNCATE TABLE statement is similar between Oracle and Microsoft SQL Server. It is used to remove all of the rows from a table. The table structure and all of its indexes will continue to exist; it cannot be rolled back. Dele...
Expand table Exceptions The following table lists conditions when DBCC CHECKIDENT does not automatically reset the current identity value and provides methods for resetting the value. Expand table The following example resets the current identity value, if it is needed, of thetable in theAdventureWorks...
Expand table Exceptions The following table lists conditions when DBCC CHECKIDENT does not automatically reset the current identity value and provides methods for resetting the value. Expand table The following example resets the current identity value, if it is needed, of thetable in theAdventureWorks...