The Log Writer (LGWR) process reads information from the ()and writes it to the online logs.A、large poolB、shared poolC、data buffer cacheD、redo log bufferE、data dictionary cache

The Log Writer (LGWR) process reads information from the ()and writes it to the online logs.

  • A、large pool
  • B、shared pool
  • C、data buffer cache
  • D、redo log buffer
  • E、data dictionary cache

相关考题:

在SQL语句执行前的解析阶段,要判断其中涉及的表名和列名是否合法,判断所依据的信息存放在() A.PGAB.SHARED POOLC.DATABASE BUFFER CACHED.REDO LOG BUFFER CACHEE.LARGE POOL

Which background process sequentially writes Flashback Database data from the flashback buffer to the Flashback Database logs?()A、 DBWnB、 RECOC、 RVWRD、 LGWR

You noticed that large memory allocations for the Oracle backup and restore operations are causing a performance overhead on the shared pool. Which memory structure would you configure to avoid this performance overhead?()A、 recycle buffer cacheB、 large poolC、 streams poolD、 keep buffer cacheE、 redo log buffer

The instance abnormally terminates because of a power outage.  Which statement is true about redo log filesduring instance recovery()A、Inactive and current redo log files are required to accomplish recovery.B、Online and archived redo log files are required to accomplish instance recovery.C、All redo log entries after the last checkpoint are applied from redo log files to data files.D、All redo log entries recorded in the current redo log file until the checkpoint position are applied to data files

在SQL语句执行前的解析阶段,要判断其中涉及的表名和列名是否合法,判断所依据的信息存放在()A、PGAB、SHARED POOLC、DATABASE BUFFER CACHED、REDO LOG BUFFER CACHEE、LARGE POOL

Which statement is true regarding the Archiver (ARCn) process,archived log files,and recovery? ()A、A database backup, combined with archived redo log files, guarantees that all committed data can be recovered to the point of failure. B、During recovery the ARCn background process copies its redo entries identified for recovery by the control file to the data files. C、After each write to an archived log, the mandatory background process ARCn writes its log sequence number and the first and last SCN number within the log sequence to the control file. D、At database recover time, and archived redo log is uniquely identified for recovery use by its redo thread number and destination ID number retrieved from the control file.

You are analyzing the components of the redo log mechanisms in your Oracle database. Which of the following purposes does the CKPT process serve?()A、Writes buffers to disk B、Writes current redo log number to datafile headers C、Writes redo log information to disk D、Reads information into memory for users

You configured the large pool for Oracle backup and restore operations. As a result, which component would require less memory?()A、 streams poolB、 shared poolC、 log bufferD、 keep buffer cacheE、 recycle buffer cache

Identify the memory component from which memory may be allocated for: () 1: Session memory for the shared server  2: Buffers for I/O slaves  3: Oracle Database Recovery Manager (RMAN) backup and restore operations A、Large PoolB、Redo Log BufferC、Database Buffer CacheD、Program Global Area (PGA)

Which two statements are true about checkpointing()A、The checkpoint frequency decreases with the smaller redo log file size.B、It ensures that all committed data is written to the data files during normal shutdown.C、The frequent full checkpoint in a database can cause the overall degradation of the database performance.D、It prompts the Checkpoint (CKPT) process to write data to the data files and redo information to the online redo log files.

You have configured Automatic Shared Memory Management. Which four memory structures would be automatically tuned? ()A、 log bufferB、 Java poolC、 Large poolD、 Fixed SGAE、 Shared poolF、 Streams poolG、 Keep buffer cacheH、 Database buffer cache

Records from the data dictionary information are stored in which of the following database memory areas?()A、Library cache B、Row cache C、Session UGA D、Buffer cache

Which two statements about the background process of the database writer are true()A、It is possible to have multiple database writers in an Oracle instance.B、It writes dirty buffers, if any, to data files whenever a checkpoint occurs.C、It writes dirty buffers, if any, to data files whenever a transaction commits.D、It writes dirty buffers, if any, to data files before the log writer (LGWR) writes

Which background process reads the redo log buffer and writes it to a file?()A、ARCnB、DBWnC、CKPTD、LGWRE、PMONF、SMON

Which two statements about the background process of thedatabase writerare true() A、It is possible to have multiple database writers in an Oracle instance.B、It writes dirty buffers, if any, to data files whenever a checkpoint occurs.C、It writes dirty buffers, if any, to data files whenever a transaction commits.D、It writes dirty buffers, if any, to data files before the log writer (LGWR) writes.

Identify the memory component from which memory may be allocated for:() 1. Session memory for the shared server 2. Buffers for I/O slaves 3. Oracle Database Recovery Manager (RMAN) backup and restore operationsA、Large PoolB、Redo Log BufferC、Database Buffer CacheD、Program Global Area (PGA)

Your database is using shared server configuration. Which optional memory structure would you configure to store the User Global Area (UGA) information and improve the shared pool performance?()A、large poolB、streams poolC、keep buffer cacheD、recycle buffer cache

The online redo log group configuration for your database is as follows: What will happen if the online redo log file ’ora02/oradata/redo02b.log’is corrupted while working on the database?() A、 The database will hang.B、 The database will be crashed.C、 The database will be shut down.D、 The LGWR process writes redo log entries to the other redo log member of the Group2 group

单选题The online redo log group configuration for your database is as follows: What will happen if the online redo log file ’ora02/oradata/redo02b.log’is corrupted while working on the database?()A The database will hang.B The database will be crashed.C The database will be shut down.D The LGWR process writes redo log entries to the other redo log member of the Group2 group

多选题Which two statements about the background process of the database writer are true()AIt is possible to have multiple database writers in an Oracle instance.BIt writes dirty buffers, if any, to data files whenever a checkpoint occurs.CIt writes dirty buffers, if any, to data files whenever a transaction commits.DIt writes dirty buffers, if any, to data files before the log writer (LGWR) writes

单选题The Log Writer (LGWR) process reads information from the ()and writes it to the online logs.Alarge poolBshared poolCdata buffer cacheDredo log bufferEdata dictionary cache

单选题You configured the large pool for Oracle backup and restore operations. As a result, which component would require less memory?()A streams poolB shared poolC log bufferD keep buffer cacheE recycle buffer cache

单选题Which background process sequentially writes Flashback Database data from the flashback buffer to the Flashback Database logs?()A DBWnB RECOC RVWRD LGWR

多选题Which two statements are true about checkpointing()AThe checkpoint frequency decreases with the smaller redo log file size.BIt ensures that all committed data is written to the data files during normal shutdown.CThe frequent full checkpoint in a database can cause the overall degradation of the database performance.DIt prompts the Checkpoint (CKPT) process to write data to the data files and redo information to the online redo log files.

单选题Which background process reads the redo log buffer and writes it to a file?()AARCnBDBWnCCKPTDLGWREPMONFSMON

多选题Which two statements about the background process of thedatabase writerare true()AIt is possible to have multiple database writers in an Oracle instance.BIt writes dirty buffers, if any, to data files whenever a checkpoint occurs.CIt writes dirty buffers, if any, to data files whenever a transaction commits.DIt writes dirty buffers, if any, to data files before the log writer (LGWR) writes.

单选题You noticed that large memory allocations for the Oracle backup and restore operations are causing a performance overhead on the shared pool. Which memory structure would you configure to avoid this performance overhead?()A recycle buffer cacheB large poolC streams poolD keep buffer cacheE redo log buffer