] table_or_view_name } <backward_compatible_index_option> ::= { PAD_INDEX | FILLFACTOR = fillfactor | SORT_IN_TEMPDB | IGNORE_DUP_KEY | STATISTICS_NORECOMPUTE | DROP_EXISTING } Azure Synapse Analytics 和并行数据仓库的语法 syntaxsql 复制 CREATE CLUSTERED COLUMNSTORE INDEX index_name ON [...
SQL基础语法—create index语句 1 create index语句介绍 create index语句用来在表中创建索引。索引的作用提高数据库查询的效率,这个作用对用户来说是透明的,其作用只是对MySQL引擎来说的。 Syntax:CREATE[UNIQUE|FULLTEXT|SPATIAL] INDEX index_name [index_type]ONtbl_name (index_col_name,...) [index_option]...
Syntax Arguments Remarks Rebuild indexes Show 13 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL database in Microsoft Fabric Modifies an existing table or view index (rowstore, columnstore, or XML) by disa...
CREATE LOGIN (Transact-SQL) CREATE MASTER KEY (Transact-SQL) CREATE MESSAGE TYPE (Transact-SQL) CREATE PARTITION FUNCTION (Transact-SQL) CREATE PARTITION SCHEME (Transact-SQL) CREATE PROCEDURE (Transact-SQL) CREATE QUEUE (Transact-SQL) CREATE REMOTE SERVICE BINDING (Transact-SQL) ...
SORT_IN_TEMPDB = { ON |OFF} 適用於:SQL Server (SQL Server 2008 (10.0.x) 和更新版本) 及 Azure SQL Database 指定是否要將暫時排序結果儲存在 tempdb 中。 預設值為 OFF。 開啟 用來建立索引的中繼排序結果會儲存在 tempdb 中。 如果 tempdb 位於使用者資料庫以外的...
SQL ALTERINDEXmycolumnstoreindexONdbo.mytableDISABLE;-- update the data in mytable as necessaryALTERINDEXmycolumnstoreindexondbo.mytableREBUILD; 将数据加载到不含列存储索引的临时表中。 在临时表上生成列存储索引。 将临时表切换到主表的一个空分区中。
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric When you perform online index operations, the following guidelines apply: Clustered indexes must be created, rebuilt, or dropped offline when the underlying table contains the following large object...
CREATE LOGIN (Transact-SQL) CREATE MASTER KEY (Transact-SQL) CREATE MESSAGE TYPE (Transact-SQL) CREATE PARTITION FUNCTION (Transact-SQL) CREATE PARTITION SCHEME (Transact-SQL) CREATE PROCEDURE (Transact-SQL) CREATE QUEUE (Transact-SQL) CREATE REMOTE SERVICE BINDING (Transact-SQL) ...
Version 2025.1.01: Microsoft SQL Server Support! Support local and global variable definitions in SQL Server's SQL parser. Add GO as a separator in SQL Server. Support #table type temporary tables in SQL Server's SQL parser. Support ALTER TABLE syntax for SQL Server (e.g., ALTER T...
Syntax CREATE [ UNIQUE ] INDEXindex ONtable(field[ASC|DESC][,field[ASC|DESC], ...]) [WITH { PRIMARY | DISALLOW NULL | IGNORE NULL }] The CREATE INDEX statement has these parts: Remarks To prohibit duplicate values in the indexed field or fields of different records, use the UNIQUE res...