USEAdventureWorks2022; GO-- Drops and re-creates the IX_Employee_OrganizationLevel_OrganizationNode index-- on the HumanResources.Employee table with a fill factor of 80.CREATEINDEXIX_Employee_OrganizationLevel_OrganizationNodeONHumanResources.Employee (OrganizationLevel, OrganizationNode)WITH(DROP_EXISTING ...
USE AdventureWorks2022; GO -- Drops and re-creates the IX_Employee_OrganizationLevel_OrganizationNode index -- on the HumanResources.Employee table with a fill factor of 80. CREATE INDEX IX_Employee_OrganizationLevel_OrganizationNode ON HumanResources.Employee (OrganizationLevel, OrganizationNode) WITH...
Name ='fill factor (%)' PS:0表示不保留任何预留空间。 通过以下脚本来设置填充因子的值: ALTER INDEX [idx_refno] ON [ordDemo] REBUILD WITH (FILLFACTOR= 80) GO -- 如果要设定服务器上的默认值,使用以下脚本 Sp_configure 'show advanced options', 1 GO RECONFIGURE GO sp_configure 'fill factor'...
GO 然后重启SQL Server服务即可, 以后添加的索引的fill factor默认是设定值 2. 针对每个索引 在创建索引时可以为每个索引指定单独的Fill factor. ALTERTABLE[dbo].[School]ADDCONSTRAINT[PK_School]PRIMARYKEYCLUSTERED ( [ID]ASC )WITH(PAD_INDEX=OFF, SORT_IN_TEMPDB=OFF, IGNORE_DUP_KEY=OFF,FILLFACTOR=90, ...
Applies to: SQL ServerThis article describes how to configure the fill factor server configuration option in SQL Server by using SQL Server Management Studio or Transact-SQL. Fill factor is provided for fine-tuning index data stora...
Is Clustered Index Depth Fill Factor --- --- --- 1 2 0 (1 row(s) affected) 示例:Azure Synapse Analytics 和 Analytics Platform System (PDW)以下示例检查 FactResellerSales 表上某一索引的属性。SQL 复制 -- Uses AdventureWorks SELECT
当索引页没有用到最大量时就产生了内部碎片。虽然在一个有频繁数据插入的应用程序里这也许有帮助,然而设置一个fill factor(填充因子)会在索引页上留下空间,服务器内部碎片会导致索引尺寸增加,从而在返回需要的数据时要执行额外的读操作。这些额外的读操作会降低查询的性能。
Applies to: SQL ServerThis topic describes how to configure the fill factor server configuration option in SQL Server by using SQL Server Management Studio or Transact-SQL. Fill factor is provided for fine-tuning index data storage and performance. When an index is created o...
[IndexType] , i.fill_factor AS [FillFactor] FROM sys.dm_db_index_usage_stats AS s INNER JOIN sys.indexes AS i ON s.[object_id] = i.[object_id] WHERE OBJECTPROPERTY(s.[object_id], ‘IsUserTable’) = 1 AND i.index_id = s.index_id AND s.database_id = DB_ID() ORDER BY...
SELECTi.nameASindex_name , i.type_desc , i.is_unique , ds.type_descASfilegroup_or_partition_scheme , ds.nameASfilegroup_or_partition_scheme_name , i.ignore_dup_key , i.is_primary_key , i.is_unique_constraint , i.fill_factor , i.is_padded , i.is_disabled , i.allow_row_locks ...