CREATE COLUMNSTORE INDEX Transact-SQL 语法约定 语法 适用于 SQL Server、Azure SQL 数据库和 Azure SQL 托管实例的语法 syntaxsql 复制 CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name ON ( column [ ASC | DESC ] [ ,...n ] ) [ INCLUDE ( column_name [ ,...n ] ) ] ...
CREATE UNIQUE CLUSTERED INDEX IndexPOView ON POView (PurchaseOrderID) GO 你可以对比一下查询语句与查询索引视图的执行计划,索引视图的方式提供了更好的查询性能: SQL Server 的查询优化器总是尝试找到最佳的执行计划,有时候虽然你建立了索引视图,但优化器依然使用了原始表上的索引,此时你可以使用 WITH NOEXPAND ...
+ ')', '') AS Create_Index_Syntax FROM sys.dm_db_missing_index_groups AS G INNER JOIN sys.dm_db_missing_index_group_stats AS GS ON G.index_group_handle = GS.group_handle INNER JOIN sys.dm_db_missing_index_details AS D ON G.index_handle = D.index_handle ORDER BY statement,Poss...
CREATE RULE (Transact-SQL) CREATE SCHEMA (Transact-SQL) CREATE SERVER AUDIT (Transact-SQL) CREATE SERVER AUDIT SPECIFICATION (Transact-SQL) CREATE SERVICE (Transact-SQL) CREATE SPATIAL INDEX (Transact-SQL) CREATE STATISTICS (Transact-SQL)
CREATE COLUMNSTORE INDEX converts a rowstore table to a clustered columnstore index, or creates a nonclustered columnstore index.
CREATE RULE (Transact-SQL) CREATE SCHEMA (Transact-SQL) CREATE SERVER AUDIT (Transact-SQL) CREATE SERVER AUDIT SPECIFICATION (Transact-SQL) CREATE SERVICE (Transact-SQL) CREATE SPATIAL INDEX (Transact-SQL) CREATE STATISTICS (Transact-SQL)
CREATE OR REPLACE VIEW view_name AS SELECT column_name(s) FROM table_name WHERE condition 1. 2. 3. 4. 5. SQL 撤销视图 您可以通过 DROP VIEW 命令来删除视图。 SQL DROP VIEW Syntax DROP VIEW view_name 1. 2. SQL Server Date 函数 ...
CREATE COLUMNSTORE INDEX converts a rowstore table to a clustered columnstore index, or creates a nonclustered columnstore index.
CREATE DATABASE- creates a new database ALTER DATABASE- modifies a database CREATE TABLE- creates a new table ALTER TABLE- modifies a table DROP TABLE- deletes a table CREATE INDEX- creates an index (search key) DROP INDEX- deletes an index ...
Applies to:SQL ServerAzure SQL DatabaseAzure SQL Managed Instance This article describes how to create indexes on a view. The first index created on a view must be a unique clustered index. After the unique clustered index has been created, you can create more nonclustered indexes. Creating ...