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C. һֱ D. һֲϵͳ
9. SQL___________ ԡ --- A|B|C|D
A. ݿ B. ݿ C. ϵݿ D. ݿ
10. ݿϵͳʵֶݿݵIJѯ롢ĺɾܳΪ_________
--- A|B|C|D
A. ݶ幦 B. ݹ C. ݲݹ D. ݿƹ
11. ΪݿĽʹúάõ_________ݿϵͳĺɲ֡
--- A|B|C|D A. ݿ B. ϵͳ
C. ݿϵͳ D. Ӧó
12. SQLԵݲ SELECTINSERTUPDATE DELETE ҪģҲʹ
Ƶ____ --- A|B|C|D A. SELECT B. INSERT C. UPDATE D. DELETE