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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,CREATE DROP...
SQIԼݲѯݲݶݿƹһ,CREATE DROPALTERʵֹܵ___ A.ݲѯB.ݲC.ݶ...
...ݶݿƹһ,CREATE DROP...
SQLԼݲѯݲݶݿƹһ,CREATE DROPALTERʵ๦___ A.ݲѯB.ݲC.ݶD.ݿ ȷ𰸼...
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SQL Լݲѯݲݶݿƹһ,,CREATEDROPALTER ʵֹ( ) A. ݲѯ B. ݲ C. ݶ D....
...ݲݶݿƹһ,INSER...
B [] SQLݲѯSELECTINSERTDELETE UPDATECREATEDROPALTER,ݿGRANTREVOKE...
SQLϰʹ
SQL Լݲѯ ݲ ݶݿƹһ, , CREATE DROPALTER ʵֹ( ) A. ݲѯ B. ݲ C. ...
SQLԼݶݲݿһ...
ݶ(DDL)ݲ(DML)ݿ(DCL)һ,еȫ,SQLݶд(CREATE)ɾ(DROP)޸...
SQLԼݶݲݿһ...
ݶ(DDL)ݲ(DML)ݿ(DCL)һ,еȫ,SQLݶд(CREATE)ɾ(DROP)޸...
...ݲݶݿƹһ,ALTER...
SQLԼݲѯݲݶݿƹһ,ALTER TABLEʵֵ( )ܡ A.ݲѯB.ݲC.ݶD.ݿ_𰸽_2016_...
...ݲݶݿƹһ,ALTER...
SQLԼݲѯݲݶݿƹһ,ALTER TABLEʵ๦? A. ݲѯB. ݲC. ݶD. ݿ_𰸽_2016_...
...ݲݶݿƹһINSE...
SQLԼݲѯݲݶݿƹһINSERTʵֹ A.ݲѯB.ݲC.ݶD.ݿ_𰸽_2016_һģ/ģ...
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һʽ    һʽ    һ廯    create drop    create drop alter    drop or create    drop    sql drop    

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