This article describes how to enable data compression on an existing table or index in SQL Server by using SQL Server Management Studio or Transact-SQL. To enable data compression when creating a table or index, see the Create a compressed index and Creating a table that uses row compression ...
XML_COMPRESSION 適用於:SQL Server 2022 (16.x) 和更新版本、Azure SQL 資料庫,以及 Azure SQL 受控執行個體。 指定資料表中任何 xml 資料類型資料行的 XML 壓縮選項。 選項如下: 開啟 使用xml 資料類型的資料行會壓縮。 OFF 使用xml 資料類型的資料行不會壓縮。 ON PARTITIONS ( { <partition_number_expressi...
[ DATA_COMPRESSION = { NONE | ROW | PAGE } [ ON PARTITIONS ( { <partition_number_expression> | <range> } [ ,... n ] ) ] ] [ XML_COMPRESSION = { ON | OFF } [ ON PARTITIONS ( { <partition_number_expression> | <range> } [ ,... n ] ) ] ] [ FILETABLE_DIRECTORY = <...
Assume that you have page compression enabled on some tables in Microsoft SQL Server. When you try to access one of the tables, an access violation occurs. Resolution This problem is fixed in the following updates for SQL Server: Cumulative Update 11 for SQL Server 2017 Cumulative Update 4 fo...
IDINTNOTNULL, SysStartTime DATETIME2NOTNULL, SysEndTime DATETIME2NOTNULL)ONmyPS1(ID)WITH(DATA_COMPRESSION=PAGE )CREATETABLEdbo.TemporalTableTEST7 ( IDINTPRIMARYKEYCLUSTERED, SysStartTime DATETIME2 GENERATED ALWAYSASROW STARTNOTNULL, SysEndTime DATETIME2 GENERATED ALWAYSASROWENDNOTNULL, PERIODFORSYST...
{ OUTBOUND | INBOUND | PAUSED } } <single_partition_rebuild__option> ::= { SORT_IN_TEMPDB = { ON | OFF } | MAXDOP = max_degree_of_parallelism | DATA_COMPRESSION = { NONE | ROW | PAGE | COLUMNSTORE | COLUMNSTORE_ARCHIVE} } | ONLINE = { ON [( <low_priority_lock_wait> ) ]...
作为SQL Server 2016(CTP3.x)的另一个新特性,Temporal Table(历史表)记录了表历史上任何时间点所有的数据改动。Temporal Table其实早在ANSI SQL 2011就提出了,而SAP HANA, DB2和Oracle早已在它们的产品中加入/实现了这一特性。所以说微软其实是落后了几个竞争对手。既然在CTP3.0中加入了,相信RTM也肯定有这个特性...
Table Compression 表压缩 The database can usetable compressionto reduce the amount of storage required for the table. 数据库可以使用表压缩来消除数据块中的重复值。 Compression saves disk space, reduces memory use in thedatabase buffer cache, and in some cases speeds query execution. Table compress...
TableDataCompressionOption 型別公開下列成員。屬性展開資料表 名稱說明 DataCompressionOption Gets or sets the data compression option. FirstTokenIndex Gets or sets the first token index. (繼承自 TSqlFragment。) FragmentLength Gets the fragment length. (繼承自 TSqlFragment。) LastTokenIndex Gets or...
When you run a query against a partitioned table that has data compression enabled in Microsoft SQL Server 2008, database corruption may occur. When this issue occurs, an error message that resembles the following is logged in the SQL Server Errorlog file: ...