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OCP 1Z0 052 14

2014-06-08 22:31 155 查看
14. These are points that describe the contents of different memory components:

1: Descriptive information or metadata about schema objects that are queried by using SQL statements

2: The run-time area for data manipulation language (DML) or data definition language (DDL) statements

3: Results of SQL queries and PL/SQL functions

4: Executable forms of SQL cursors, PL/SQL programs, and Java classes

5: The information necessary to reconstruct changes made to the database by a transaction

Which of these will be stored in the Shared Pool if the necessary configurations are done?

A.1 and 2

B.2 and 5

C.1, 3, and 4

D.3, 4, and 5

E.1, 2, 3, and 4

Answer: C



sga的主要成分为:buffer cache,shared pool,java pool,large pool

shared pool包含Library Cache 、 Data Dictionary Cache 和 Server Result Cache等

当使用共享服务模式时,Private Sql Area位于Library Cache中

而Private Sql Area分为 The run-time area 和 The persistent area

1、information or metadata: Data Dictionary Cache

2、 This area contains query execution state information.

3、The server result cache contains the SQL query result cache and PL/SQL function result cache

4、The library cache holds executable forms of SQL cursors, PL/SQL programs, and Java classes.

5、 Redo entries contain
the information necessary to reconstruct, or redo, changes made to the database by DML or DDL operations.

对于第二项存疑

参见资料

http://docs.oracle.com/cd/E11882_01/server.112/e40540/memory.htm#CNCPT89189
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