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...
(more)
