All DB-Library values must be set correctly either at the server level by using sp_configure or from the application by using the SET command.Important We strongly recommend that you set the ARITHABORT user option to ON server-wide as soon as the first indexed view or index on a computed ...
The indexed view is used by the query optimizer to produce the query plan.Proširi tabelu SET optionsRequired valueDefault server valueDefaultOLE DB and ODBC valueDefaultDB-Library value ANSI_NULLS ON ON ON OFF ANSI_PADDING ON ON ON OFF ANSI_WARNINGS 1 ON ON ON OFF ARITHABORT ON ON OFF...
通常情况下,SQL Server 会利用既有的索引来执行查询脚本,如果没有找到索引他会自动生成一个并存放在DMV(dynamic management view)中。每当SQL Server 服务重启的时候这些信息会被清除,所以在获取缺失索引的过程中最好保持SQL Server 服务的运行,直到所有的业务逻辑跑完一遍。 可参照以下链接来获取更多相关信息: sys.d...
The indexed view is used by the query optimizer to produce the query plan. Expand table SET optionsRequired valueDefault server valueDefault OLE DB and ODBC valueDefault DB-Library value ANSI_NULLSONONONOFF ANSI_PADDINGONONONOFF ANSI_WARNINGS1ONONONOFF ...
I am trying to create an indexed view in SQL Server and I was wondering If I needed to index the view columns. I am asking this because the view is composed of a tables that already have the columns indexed. So if TABLE1 has the column FOO already indexed as a non clustered index,...
顾名思义,索引视图就是建有索引的视图,这是MSSQL提供的一项技术,用于提升某些SQL语句的查询性能。索引视图上的第一个索引必须是唯一簇索引,之后,可以在视图上创建更多的非簇索引,因为视图上的簇索引存储方式和表上的簇索引一样,因此,视图上的簇索引可以提升某些查询的性能。查询优化器可以通过索引视图来加速查询的...
要在SQL Server中创建和使用索引视图,可以按照以下步骤进行操作: 创建视图:首先,使用CREATE VIEW语句创建一个视图,定义视图所需的查询逻辑。 CREATE VIEW...
SQL Server 可以扫描表,如果索引存在则使用索引。当 SQL Server 执行表扫描时,它从表的第一行开始逐行查找,将符合查询条件的行提取出来。当 SQL Server 使用索引时,它会查找查询所需的行的存储位置,并只提取出所需的行。 在考虑是否为一个列创建索引时,应考虑被索引的列是否以及如何用于查询中。索引对下列查询...
Indexed View (索引的view,和table差不多,先定义普通view,然后再加上clustered index和non-clustered index. 注意:clustered index只能有一个) Distributed Partitioned View (分布式的view,这种view用UNION ALL 把几个不同的SQL Server的table结合在一起生成一个单独的table) ...
Microsoft SQL Server 2014 (SP3) (KB4022619) - 12.0.6024.0 (X64) Enterprise Edition (64-bit) on Windows NT 6.3 (Build 9600: ) (Hypervisor) I created the following view CREATE VIEW [dbo].[vwGroupsOfficesDependencies] WITH SCHEMABINDING AS SELECT GC.IdGroup, COUNT_BIG(*) AS countBig, OD...