單項選擇題V5.x系統(tǒng)中,刪除動環(huán)網(wǎng)管Sybase數(shù)據(jù)庫scanbus表中前置機(jī)ID為1且總線ID為3的SQL語句應(yīng)該是()

A.delete*from scanbus where qzj_id=1 and scanbus_id=3
B.deletefrom scanbus whereqzj_id=1 and scanbus_id=3
C.del*from scanbus where qzj_id=1 and scanbus_id=3
D.delfrom scanbus where qzj_id=1 and scanbus_id=3


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