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摘要: 數據庫中有Tahie_priceHistory表,結構如下表所示:[*]①寫出創建Teachers表的SQL語句,要求語句中包[閱讀全文:]
摘要: YoucompanyhasfourDBAs.YouneedtoknowwhichDBAaddedacolumntotheJOB_HISTORYtable.Thedatabasecannotbeoffl[閱讀全文:]