DB2 创建EXPLAIN表
2015-12-11 14:22
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DB2对于SQL执行计划的explain表,默认都是不存在的,打开db2的命令行,cd到以下目录
C:\Program Files (x86)\IBM\SQLLIB\MISC>ls
DB2AutoBackupPolicy.xsd DB2EvmonPkgCache.xsd DB2MonRoutines.xsd DB2SchemaAnnotation.xsl db2adminV8.exe db2uext2.v2
DB2AutoReorgPolicy.xsd DB2EvmonUOW.xsd DB2OptProfile.xsd EXPLAIN.DDL db2audit.ddl wlmevmon.ddl
DB2AutoRunstatsPolicy.xsd DB2MaintenanceWindowPolicy.xsd DB2PolicyLang.xsd db2InstallReg.exe db2ckupgrade.exe
DB2EvmonLocking.xsd DB2MonCommon.xsd DB2RecommendationSchema.xsd db2InstallReg.txt db2hdr.exe
所以只需要在连接到指定库,执行该文件即可创建explain表,
db2 connect to 数据库名 user 用户名 using 密码
db2 -tvf EXPLAIN.DDL
即可
DB2对于SQL执行计划的explain表,默认都是不存在的,打开db2的命令行,cd到以下目录
C:\Program Files (x86)\IBM\SQLLIB\MISC>ls
DB2AutoBackupPolicy.xsd DB2EvmonPkgCache.xsd DB2MonRoutines.xsd DB2SchemaAnnotation.xsl db2adminV8.exe db2uext2.v2
DB2AutoReorgPolicy.xsd DB2EvmonUOW.xsd DB2OptProfile.xsd EXPLAIN.DDL db2audit.ddl wlmevmon.ddl
DB2AutoRunstatsPolicy.xsd DB2MaintenanceWindowPolicy.xsd DB2PolicyLang.xsd db2InstallReg.exe db2ckupgrade.exe
DB2EvmonLocking.xsd DB2MonCommon.xsd DB2RecommendationSchema.xsd db2InstallReg.txt db2hdr.exe
所以只需要在连接到指定库,执行该文件即可创建explain表,
db2 connect to 数据库名 user 用户名 using 密码
db2 -tvf EXPLAIN.DDL
即可
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