The fix for this issue was first released in Cumulative Update 1. For more information about how to obtain this cumulative update package for SQL Server 2012 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base: 2765331Cumulative updat...
each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2012 SP1 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following...
从 Azure SQL 数据库中的 SQL Server 2012(11.x)开始,在 Azure SQL 托管实例中,如果任何一个指定的非键列是 varchar(max)、 nvarchar(max)或varbinary(max) 数据类型,则可以使用 ONLINE 此选项生成或重新生成索引。 精确或不精确的确定性计算列都可以是包含列。 只要允许计算列数据类型作为包含列,就可以包含...
【 SQL Server 2005 及之前的版本号同意建立249 个非聚集索引;SQL Server 2008 及 SQL Server 2012 同意999个非聚集索引】 通常当你在某一个字段上建立一个唯一键(unique key)的时候。SQL Server 会自己主动在该列上建立一个非聚集索引。 sys.partitions 系统表中存放着非聚集索引的相关信息(Index_ID>1)。 ...
I am trying to create an index in SQL server 2012 and I am getting the following error: TITLE: Microsoft SQL Server Management Studio Create failed for Index 'TCS_Archive_Notes_DataId_Indx'. (Microsoft.SqlServer.Smo) For help, click:http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+...
從 SQL Server 2012 (11.x)開始,在 Azure SQL Database 和 Azure SQL 受控實例中,當數據表包含 varchar(max) 或varbinary(max) 數據行時,可以使用 選項來建置或重建 ONLINE 包含其他數據行的叢集索引。 具有叢集數據行存放區索引之數據表上的非叢集索引 如需詳細資訊,請參閱 在線索引作業的運作方式。
In SQL Server 2012 (11.x) and SQL Server 2014 (12.x), REORGANIZE is only used to compress CLOSED rowgroups into the columnstore. The only way to perform defragmentation operations and to force all delta rowgroups into the columnstore is to rebuild the index. This example shows how to reb...
索引视图在 SQL Server 2012 的各个版本上都有支持,在开发版或企业版中查询处理器甚至能以此来把匹配索引视图的查询都优化了。 索引视图建立时必须带上 WITH SCHEMABINDING,以此保证用到的字段不会被修改掉。 如果索引视图包含了 GROUP BY 子句,则必须在 SELECT 子句中包含 COUNT_BIG (*),并且不能指定 HAVING, ...
In SQL Server 2012 (11.x) and SQL Server 2014 (12.x), you can't create a nonclustered index on a columnstore index. SQL 复制 --Create the table for use with this example. CREATE TABLE dbo.SimpleTable ( ProductKey [INT] NOT NULL, OrderDateKey [INT] NOT NULL, DueDateK...
For more information, see XML Indexes (SQL Server). SQL Server 2012 SP1 introduces a new type of XML index known as a Selective XML Index. This new index can improve querying performance over data stored as XML in SQL Server, allow for much faster indexing of large XML data workloads, ...