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SQL语言集数据查询、数据操纵、数据定义和数据控制功能于一体,语句CREATE、 DROP、ALTER实现哪类功能 (



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...ݶݿƹһ, CREATEDROP...
SQL Լݲѯݲݶݿƹһ, CREATEDROPALTER ʵֹܵ___ A.ݲѯ B.ݲ C.ݶ D....
...ݶݿƹһ,CREATE DROP...
SQLԼݲѯݲݶݿƹһ,CREATE DROPALTERʵֹܵ A.ݲѯB.ݲC.ݶD.ݿ_𰸽...
SQLԼݲѯݲ,ݶݿƹ...
SQLԼݲѯݲ,ݶݿƹһ,CREATEDROPALTERʵ๦ A.ݲѯB.ݲC.ݶD.ݿ_𰸽_2016_...
SQLԼݲѯݲ,ݶݿƹ...
SQLԼݲѯݲ,ݶݿƹһ,CREATEDROPALTERʵ๦? A.ݲѯB.ݲC.ݶD.ݿ_𰸽_2016_...
SQLԼݲѯݲ,ݶݿƹ...
SQLԼݲѯݲ,ݶݿƹһ,CREATEDROPALTERʵ๦ A.ݲѯB.ݲC.ݶD.ݿ_𰸽_2016_...
...ݶݿƹһ,CREATE DROP...
SQIԼݲѯݲݶݿƹһ,CREATE DROPALTERʵֹܵ___ A.ݲѯB.ݲC.ݶ...
...ݶݿƹһ,CREATE DROP...
SQLԼݲѯݲݶݿƹһ,CREATE DROPALTERʵ๦___ A.ݲѯB.ݲC.ݶD.ݿ ȷ𰸼...
...ݲݶݿƹһ,ALTER...
[] SQLԼݲѯݲݶݿƹһ, ALTER TABLECREATEDROPʵݶ; SELECTʵݲѯ;INSERTUPDATE DELETEʵ...
...ݲݶݿƹһ,ALTER...
[] SQLԼѯݲݶݿƹһ,ALTER TABLECREATE DROPʵݶ;SELECTʵݲѯ;INSERTUPDA1XDE1k;TEʵ...
...ݲݶݿƹһ,һ...
SQL Լݲѯݲݶݿƹһ,һۺϵġ...ݶ塢ݲݿ ƵĺĹֻ 9 :CREATEDROP...
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