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Oracle認(rèn)證考試1Z0-031單項(xiàng)選擇題每日一練(2019.01.16)

單項(xiàng)選擇題
To allocate another role to a user, which command is most appropriate?（）
A.ALTER USER
B.ALTER DATABASE
C.ALTER SYSTEM
D.GRANT
單項(xiàng)選擇題
You are identifying dictionary objects in the Oracle database. Which of the following is a view in the data dictionary?（）
A.V$DATABASE
B.DBA_TABLES
C.SYSAUD$
D.EMP
單項(xiàng)選擇題
If you wanted to find the name and location of your control files, you could find that information in each of the following locations except one. Which is it?（）
A.V_CONTROLFILE_RECORD_SECTION
B.V_CONTROLFILE
C.V$PARAMETER
D.init.ora file
單項(xiàng)選擇題
Which component of the SGA stores parsed SQL statements is used for process sharing?（）
A.Buffer cache
B.Redo log buffer
C.Private SQL area
D.Library cache
E.Row cache
單項(xiàng)選擇題
You are trying to determine how many disk sorts are happening on the database right now. Which of the following dictionary tables would you use to find that information?（）
A.V$SESSION
B.V$SYSSTAT
C.DBA_SEGMENTS
D.V$SORT_USAGE

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