2. 计算机
  3. Which are data-control command in the following statements? ( ) ① UPDATE ② GRANT ③ INSERT ④ SELE

Which are data-control command in the following statements? ( ) ① UPDATE ② GRANT ③ INSERT ④ SELE

admin2009-07-15  20
问题 Which are data-control command in the following statements? (    )     
① UPDATE         
② GRANT         
③ INSERT     
④ SELECT         
⑤ DROP         
⑥ ALTER     
⑦ REVOKE         
⑧ CREATE        
⑨ DELETE
选项 A、②,⑦
B、①,③,④,⑨
C、⑤,⑥,⑧
D、②, ⑤,⑥,⑦,⑧
答案A
解析
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原NCRE全国计算机四级

NCRE全国计算机四级

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