单选题During regular database operation, which background process will take smaller blocks of free space in a dictionary-managed tablespace and move things around to make bigger pieces of free space?（）A DBW0 B LGWR C ARCH D SMON E PMON

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单选题

During regular database operation, which background process will take smaller blocks of free space in a dictionary-managed tablespace and move things around to make bigger pieces of free space?（）

DBW0

LGWR

ARCH

SMON

PMON

更多“单选题During regular database operation, which background process will take smaller blocks of free space in a dictionary-managed tablespace and move things around to make bigger pieces of free space?（）A DBW0 B LGWR C ARCH D SMON E PMON”相关问题

第1题

During regular database operation, which background process will take smaller blocks of free space in a dictionary-managed tablespace and move things around to make bigger pieces of free space?（）A、DBW0 B、LGWR C、ARCH D、SMON E、PMON

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第2题

As a database administrator you spend a lot of time observing and setting various storage parameter values for your application tables in order to gain performance benefits. Which task would you perform to reduce this overhead？（）A、Coalesce the application tables at a regular interval.B、Export and Import the application tables a regular interval.C、Drop and recreate the application tables at a regular interval.D、Move the application tables to a tablespace with less space usage.E、Distribute the application tables across multiple tablespaces depending on usage.F、Move the application tables to automatic segment space management tablespace.

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第3题

Note the following functionalities of various background processes： 1：Record the checkpoint information in data file headers. CKPT 2：Perform recovery at instance startup. SMON 3：Cleanup unused temporary segments. SMON 4：Free the resources used by a user process when it fails. 5：Dynamically register database services with listeners. 6：Monitor sessions for idle session timeout. Which option has the correct functionalities listed for a background process（）A、Archiver Process （ARCn）：1， 2，5B、System Monitor Process （SMON）：1，4，5C、Process Monitor Process （PMON）：4，5，6D、Database Writer Process （DBWn）：1，3，4

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第4题

You have set Tablespace Full Metrics Threshold values for the USERS tablespace as follows：Warning （%）： 90Critical （%）： 95 Which background process is responsible for issuing alerts when the threshold is crossed（）A、System monitor （SMON）B、Process monitor （PMON）C、Memory manager process （MMAN）D、Manageability Monitor process （MMON）

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第5题

You executed the following command to create a tablespace called SALES_DATA： SQL> CREATE TABLESPACE sales_data DATAFILE SIZE 100M SEGMENT SPACE MANAGEMENT AUTO； Which two statements are true about the SALES_DATA tablespace（）A、The database automatically determines the extent-sizing policy for the tablespace.B、The segments are automatically shrunk when the contents are removed from them.C、The allocation of extents within the tablespace is managed through the dictionary tables.D、The space utilization description of the data blocks in segments is recorded in bitmap blocks.E、The space utilization description of the data blocks in segments is managed through free lists.

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第6题

By default, checkpoints happen at least as often as（）.A、Redo log switches. B、UPDATE statements are issued against the database. C、The SYSTEM tablespace is accessed. D、SMON coalesces free space in a tablespase.

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第7题

Examine the commands executed in a DBA session：SQL> CREATE BIGFILE TABLESPACE MRKT 2 DATAFILE ’/u01/app/oracle/oradata/orcl/mrkt.dbf’ size 10M LOGGING 3 EXTENT MANAGEMENT LOCALSEGMENT SPACE MANAGEMENT AUTO； Tablespace created. SQL> ALTER DATABASE DEFAULT TABLESPACE MRKT； Database altered. Which two statements are trueregarding the MRKT tablespace（）A、No more data files can be added to the tablespace.B、Segment space is managed by free lists in the tablespace.C、A user created without being assigned a default tablespace uses this tablespace.D、The tablespace can be dropped with the current setting with segments present in it

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单选题During regular database operation, which background process will take smaller blocks of free space in a dictionary-managed tablespace and move things around to make bigger pieces of free space?（）A DBW0 B LGWR C ARCH D SMON E PMON

题目

更多“单选题During regular database operation, which background process will take smaller blocks of free space in a dictionary-managed tablespace and move things around to make bigger pieces of free space?（）A DBW0 B LGWR C ARCH D SMON E PMON”相关问题

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