182.Which two statements are true regarding a PL/SQL package body? (Choose two.)
2016-08-16 11:53
513 查看
182.Which two statements are true regarding a PL/SQL package body? (Choose two.)
A.It cannot be created without a package specification.
B.It cannot invoke subprograms defined in other packages.
C.It can contain only the subprograms defined in the package specification.
D.It can be changed and recompiled without making the package specification invalid.
答案：AD
解析：
A：正确，可以单独创建包的申明，但是不可以单独创建包体
B：错误，可以调用，直接包名.程序名
C：错误，在申明中的是可以外部调用的，如果没有申明那么包体内部调用，还可以定义一些变量
D：正确，对包体的重新编译不影响申明
A.It cannot be created without a package specification.
B.It cannot invoke subprograms defined in other packages.
C.It can contain only the subprograms defined in the package specification.
D.It can be changed and recompiled without making the package specification invalid.
答案：AD
解析：
A：正确，可以单独创建包的申明，但是不可以单独创建包体
B：错误，可以调用，直接包名.程序名
C：错误，在申明中的是可以外部调用的，如果没有申明那么包体内部调用，还可以定义一些变量
D：正确，对包体的重新编译不影响申明
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 
相关文章推荐
- 053-4 Which two statements about the SQL Management Base (SMB) are true? (Choose two.)
- 133.Which two statements are true regarding subqueries? (Choose two.)
- 45.Which two statements are true about sequences created in a single instance database? (Choose two.
- 175.Which two statements are true regarding savepoints? (Choose two.)
- 98.Which two statements are true regarding the usage of the SQL*Loader utility? (Choose two.)
- 139.Which two statements are true regarding a tablespace? (Choose two.)
- 7.Which two statements are true regarding the USING and ON clauses in table joins? (Choose two.)
- 15.Which two statements are true about Shared SQL Area and Private SQL Area? (Choose two.)
- 88.Identify two situations in which you can use Data Recovery Advisor for recovery. (Choose two.)
- 19.Which two statements about the background process of the database writer are true? (Choose two.)
- 50.Which two statements are true about alerts? (Choose two.)
- 90.Which two activities are NOT supported by the Data Recovery Advisor (DRA)? (Choose two.)
- 99.Which two statements are true regarding Oracle Data Pump? (Choose two.)
- 121.Which two statements are true regarding the USING clause in table joins? (Choose two .)
- 26.Which two statements are true regarding undo tablespaces? (Choose two.)
- 96.Which two operations can be performed on an external table? (Choose two.) A.Create a view on the
- 140.Identify two situations in which the block header grows in a data block. (Choose two.)
- 35.Which two statements are true regarding constraints? (Choose two.)
- 38.Which two statements are true regarding views? (Choose two.)
- 41.Which two statements are true regarding views? (Choose two.)