Oracle数据库中的( )连接

文章作者 100test 发表时间 2007:10:24 13:30:04
来源 100Test.Com百考试题网

　　1. 从表A.A1 （ ） = 主表B.B1

SELECT TO_CHAR(TBA.FBS_IO_DATE,YYYY/MM/DD) A1 ,TBA.TBA_TBD_NO A2 ,TBB.TBB_NAME_S A3 ,TBC.TBC_CHAR1 A4 ,TBD.TBD_NAME A5 ,TBA.TBA_SNS_NAME_SP A6 ,TBA.TBA_TORI_KIN A7 ,TO_CHAR(TBA.TBA_RPL_DATE,YYYY/MM/DD) A8 FROM SNTBATRN TBA ,ZMTBCMST TBC ,CMTBBMST TBB ,CMTBDMST TBD WHERE TBA.TBA_KAI_CODE = XXX AND TBA.TBA_KESHI_KBN = 0 AND TBA.TBA_TAISYO_KBN IN (0, 2) AND TBB_KAI_CODE ( ) = XXX AND TBB_BUN_CODE ( ) = S001 AND TBB_START_DATE <= SYSDATE AND TBB_END_DATE >= SYSDATE AND TBB.TBB_CODE ( )= TBA.TBA_STN_CODE AND TBC.TBC_KAI_CODE ( ) = XXX AND TBC.TBC_SUB_KBN ( ) = SN AND TBD.TBD_KAI_CODE ( ) = XXX AND TBD.TBD_CODE ( ) = TBA.TBA_SNS_CODE

　　2. 主表A.A1 = 从表B.B1 （ ）

SELECT TBA.TBA_1, TBB.TBB_1, TBC.TBC_1 FROM TBA, (SELECT TBB.TBB_1, TBB.TBB_2 FROM TBB WHERE TBB.TBB_3 LIKE %NEWWEAPON% TBB), TBC WHERE //主表TBC TBA.TBA_A > 2 //从表TBB AND TBA.TBA_2 = TBB.TBB_2 //从表TBC //注意TRIM AND TRIM(TBA.TBA_3) = TRIM(TBC.TBC_3 ( ))