_______________[A] created [B] produced [C] contributed [D] preferred

_______________[A] introduce [B] summon [C] trigger [D] create

_________(64)A.procedure B.profileC.process D.pro

_________(57)A.countries B.villagesC.cities D.pro

56._________A.create B.export C.invent D.import

下列语句中 ________不是表数据的基本操作语句。A.CREATE语句B.INSERT语句C.

在标准SQL中 建立数据库结构(模式)的命令为______。A.CREATE SCHEMA命令B.CREATE TADLE命令C.CREA