WHERE name = 'viewTestIndexInfo' and type = 'V') BEGIN DROP VIEW dbo.viewTestIndexInfo END GO CREATE VIEW dbo.viewTestIndexInfo AS SELECT IX.name as 'Name' , PS.index_level as 'Level' , PS.page_count as 'Pages'
“Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted to variables of type Object. [ODBC Driver Manager] Data source nam...
Pour plus d’informations sur l’indicateur de TABLOCK, consultez indicateurs de table (Transact-SQL). Utilisez TRUNCATE TABLE si toutes les lignes doivent être supprimées de la table. Créez un index cluster sur le segment de mémoire avant de supprimer les lignes. Vous pouvez supprimer l'...
sql server 2008 中的 ALTER TABLE REBUILD是否也可以解决这个堆表的问题? Anonymous February 19, 2012 只有ALTER INDEX REBUILD的命令,用来重建索引,如果是堆表的话,是没有聚集索引的,必修先建立一个(即方法3) Anonymous January 18, 2013 最后还是在原表先建立一个聚集索引,当删除了大量数据之后,发现性能下降,...
1 UPDATE a (NULL) index (NULL) PRIMARY 98 (NULL) 155041 100.00 (NULL) 2 DEPENDENT SUBQUERY b (NULL) eq_ref PRIMARY,idx_user_name PRIMARY 98 settlement_data.a.pay_id 1 5.00 Using where 从执行计划可以看出该 update 子查询,优化器先执行了 id 为2的 (DEPENDENT SUBQUERY )相关子查询部分,然...
SQL Server中: update t1 set t1.name='Liu' from t1 inner join t2 on t1.id = t2.tid 参照文档: http://www.sqlmag.com/Articles/Index.cfm?ArticleID=8808 Editor's Note:This is the debut of T-SQL Black Belt, a series of articles that demonstrate practical, advanced tips for using T-...
SQL Server SQL Server Integration Services Index : "Invalid object name '#Temp'.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly. '1899-12-30 00:00:00.000' appears in Date Time ...
You can delete (drop) a primary key in SQL Server by using SQL Server Management Studio or Transact-SQL. When the primary key is deleted, the corresponding index is deleted. This index might be the clustered index of the table, causing the table to become a heap. For more information, ...
Use SQL Server Configuration Manager Create an alias InSQL Server Configuration Manager, expandSQL Server Native Client Configuration, right-clickAliases, and then selectNew Alias. In theAlias Namebox, type the name of the alias. Client applications use this name when they connect. ...
CREATE INDEX- 创建索引(搜索键) DROP INDEX- 删除索引 (2)数据操纵(SQL DML)数据操纵分成数据查询和数据更新两类。数据更新又分成插入、删除、和修改三种操作。 (3)数据控制(DCL)包括对基本表和视图的授权,完整性规则的描述,事务控制等内容。 (4)嵌入式SQL的使用规定(TCL)涉及到SQL语句嵌入在宿主语言程序中使...