50.SLS is a private synonym for the SH.SALES table.
2016-02-29 15:04
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50.SLS is a private synonym for the SH.SALES table.
The user SH issues the following command:
DROP SYNONYM sls;
Which statement is true regarding the above SQL statement?
A.Only the synonym would be dropped.
B.The synonym would be dropped and the corresponding table would become invalid.
C.The synonym would be dropped and the packages referring to the synonym would be dropped.
D.The synonym would be dropped and any PUBLIC synonym with the same name becomes invalid.
答案:A
解析:同义词也叫同名对象,它的删除和创建与原对象没有任何关系
The user SH issues the following command:
DROP SYNONYM sls;
Which statement is true regarding the above SQL statement?
A.Only the synonym would be dropped.
B.The synonym would be dropped and the corresponding table would become invalid.
C.The synonym would be dropped and the packages referring to the synonym would be dropped.
D.The synonym would be dropped and any PUBLIC synonym with the same name becomes invalid.
答案:A
解析:同义词也叫同名对象,它的删除和创建与原对象没有任何关系
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