SQLServer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 来强制使用索引视图上的索引(而不是原始表上的索引)。 索引视图在SQLServer2012 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...
Transact-SQL 語法慣例SyntaxSQL Server、Azure SQL Database、Azure SQL 受控執行個體的語法syntaxsql 複製 CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name ON ( column [ ASC | DESC ] [ ,...n ] ) [ INCLUDE ( column_name [ ,...n ] ) ] [ WHERE <filter_predicate>...
Syntax for SQL Server, Azure SQL Database, and Azure SQL Managed Instance.syntaxsql Copy ALTER INDEX { index_name | ALL } ON { REBUILD { [ PARTITION = ALL [ WITH ( <rebuild_index_option> [ , ...n ] ) ] ] | [ PARTITION = partition_number [ WITH ( <single_partition_rebuild_...
Dies ändert die Eigenschaften eines Volltextindex in SQL Server.Transact-SQL-SyntaxkonventionenSyntaxsyntaxsql Kopieren ALTER FULLTEXT INDEX ON table_name { ENABLE | DISABLE | SET CHANGE_TRACKING [ = ] { MANUAL | AUTO | OFF } | ADD ( column_name [ TYPE COLUMN type_column_name ] [ ...
Syntax for SQL Server, Azure SQL Database, and Azure SQL Managed Instance.syntaxsql Copy ALTER INDEX { index_name | ALL } ON { REBUILD { [ PARTITION = ALL [ WITH ( <rebuild_index_option> [ , ...n ] ) ] ] | [ PARTITION = partition_number [ WITH ( <single_partition_rebuild_...
SQL Server、Azure SQL 資料庫 和 Azure SQL 受控執行個體 的語法。syntaxsql 複製 ALTER INDEX { index_name | ALL } ON { REBUILD { [ PARTITION = ALL [ WITH ( <rebuild_index_option> [ , ...n ] ) ] ] | [ PARTITION = partition_number [ WITH ( <single_partition_rebuild_index_optio...
为SQL Server 内数据库中的表或索引视图创建全文索引。 每个表或索引视图只允许有一个全文索引,并且每个全文索引会应用于单个表或索引视图。 全文索引最多可以包含 1024 个列。Transact-SQL 语法约定语法syntaxsql 复制 CREATE FULLTEXT INDEX ON table_name [ ( { column_name [ TYPE COLUMN type_column_name...
适用于: SQL Server Azure SQL 数据库 Azure SQL 托管实例在SQL Server 中更改全文检索的属性。Transact-SQL 语法约定语法syntaxsql 复制 ALTER FULLTEXT INDEX ON table_name { ENABLE | DISABLE | SET CHANGE_TRACKING [ = ] { MANUAL | AUTO | OFF } | ADD ( column_name [ TYPE COLUMN type_column...
SqlRowCount SqlRowSet sqlSession (section 2.2.2.1.2.10, section 3.1.4.2.2.1) sqlSession SOAP header SqlTransaction sqlTypes simple type SqlXml Standards assignments Syntax messages - overview T Timer events server Timers server Tracking changes Transport Types complex simple V Vendor-extensible fields Ve...
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...