sqlserver2008性能调优

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1、专业资料分享性能调优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,CONSTRAI

2、NTPK_DIM_AREAPRIMARYkey(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=

3、1LEFTJOINSYSCOLUMNSON1=1WHERE1=1GROUPBYAreaCodeGO完美DOC格式整理专业资料分享/*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)BE

4、GINDROPPROCEDURE[dbo].[P_GetData_Load_Dim_Area]ENDGOSETANSI_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@TrunSqlVARCHAR(50);----清空数据，不记录日志DECLARE@Ins

5、ertSqlVARCHAR(MAX);----插入数据SET@TrunSql='TRUNCATETableDim_Area';EXEC(@TrunSql)IF@@error<>0BEGINROLLBACKTRANRETURN-1ENDSET@InsertSql='INSERTINTODim_AreaSELECTQUYU.QYDMasAreaCode,QUYU.QYMCasAreaNameFROMERP_Business..QUYU';EXEC(@InsertSql)IF@@ERROR<>0BEGINROLLB

6、ACKTRANRETURN-1ENDCOMMITTRANEND;完美DOC格式整理专业资料分享GO/*功能说明：抽取业务库的数据到数据仓库修改说明：CreatebyLYon2011-09-07ModifybyLYon2011-09-07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_IDENT

7、IFIERONGOCREATEPROCEDURE[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@@e

8、rror<>0BEGINROLLBACKTRANRETURN-1ENDSET@InsertSql='INSERTINTODim_AreaSELECTQUYU.QYDMasAreaCode,QUYU.QYMCasAreaNameFROMERP_Business..QUYU';EXEC(@InsertSql)IF@@ERROR<>0BEGINROLLBACKTRANRETURN-1ENDCOMMITTR