sqlserver2008性能调优

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1、性能调优1百胜表规范USEERP_DWGO/*功能说明：创建【区域】维度表修改说明：CreatebyLYon2011-09-07*/IFEXISTS(SELECT1FROMSYSOBJECTSWHEREid=OBJECT_ID('Dim_Area')ANDtype='U')BEGINDROPTABLEDim_AreaENDGOCREATETABLE[dbo].[Dim_Area](AreaCodeVARCHAR(20)NOTNULL,AreaNameVARCHAR(50)NULL,CONSTRAINTPK_DIM_AREAPRIMARYke

2、y(AreaCode));GO/*功能说明：获取区域表有效的信息修改说明：CreatebyLYon2011-09-07*/IFEXISTS(SELECT1FROMSYSOBJECTSWHEREid=OBJECT_ID('VW_Dim_Area')ANDtype='V')BEGINDROPVIEWVW_Dim_AreaENDGOCREATEVIEWVW_Dim_AreaASSELECTAreaCodeFROMDim_AreaLEFTJOINSYSOBJECTSON1=1LEFTJOINSYSCOLUMNSON1=1WHERE1=1GROUPB

3、YAreaCodeGO/*功能说明：抽取业务库的数据到数据仓库修改说明：CreatebyLYon2011-09-07ModifybyLYon2011-09-07增加变量的注释*/IFEXISTS(SELECT1FROMSYSOBJECTSWHEREid=OBJECT_ID('P_GetData_Load_Dim_Area')ANDOBJECTPROPERTY(ID,N'IsProcedure')=1)BEGINDROPPROCEDURE[dbo].[P_GetData_Load_Dim_Area]ENDGOSETANSI_NULLSONSE

4、TQUOTED_IDENTIFIERONGOCREATEPROCEDURE[dbo].[P_GetData_Load_Dim_Area]@P_sourceDB_nameNVARCHAR(50)----源数据库名称，数据从哪抽取ASBEGINBEGINTRAN---开始事务DECLARE@TrunSqlVARCHAR(50);----清空数据，不记录日志DECLARE@InsertSqlVARCHAR(MAX);----插入数据SET@TrunSql='TRUNCATETableDim_Area';EXEC(@TrunSql)IF@@erro

5、r<>0BEGINROLLBACKTRANRETURN-1ENDSET@InsertSql='INSERTINTODim_AreaSELECTQUYU.QYDMasAreaCode,QUYU.QYMCasAreaNameFROMERP_Business..QUYU';EXEC(@InsertSql)IF@@ERROR<>0BEGINROLLBACKTRANRETURN-1ENDCOMMITTRANEND;GO/*功能说明：抽取业务库的数据到数据仓库修改说明：CreatebyLYon2011-09-07ModifybyLYon2011-09-

6、07增加变量的注释*/IFOBJECT_ID('[dbo].[P_GetData_Load_Dim_Area]','P')ISNOTNULLDROPPROC[dbo].[P_GetData_Load_Dim_Area]GOSETANSI_NULLSONSETQUOTED_IDENTIFIERONGOCREATEPROCEDURE[dbo].[P_GetData_Load_Dim_Area]@P_sourceDB_nameNVARCHAR(50)----源数据库名称，数据从哪抽取ASBEGINBEGINTRAN---开始事务DECLARE@T

7、runSqlVARCHAR(50);----清空数据，不记录日志DECLARE@InsertSqlVARCHAR(MAX);----插入数据SET@TrunSql='TRUNCATETableDim_Area';EXEC(@TrunSql)IF@@error<>0BEGINROLLBACKTRANRETURN-1ENDSET@InsertSql='INSERTINTODim_AreaSELECTQUYU.QYDMasAreaCode,QUYU.QYMCasAreaNameFROMERP_Business..QUYU';EXEC(@Inser

8、tSql)IF@@ERROR<>0BEGINROLLBACKTRANRETURN-1ENDCOMMITTRANEND;1表分区SQLServer引入的表分区技术，让用户能够把数据