DB2数据库认证考试614的题目:No3.Considerthefollowingstatement:SELECTlastname,jod,workdeptFROMemployeee,departmentdWHEREe.workdept=d.deptnoANDd.deptname='SOFTWARESUPPORT'ORDERBYlastnameWhichindexesshouldbecreatedforoptimalqueryperformance?A.CREATEINDEXe...
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