The（）writes the Flashback Database logs in the flash recovery area.

Which background process is responsible for writing the dirty buffers from the write list to the data files during a checkpoint？（）

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

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Which background process sequentially writes Flashback Database data from the flashback buffer to the Flashback Database logs？（）

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

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You lost the PRODSTD tablespace， which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace？（）

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You lost the PRODSTD tablespace， which was read/write. The tablespace was read/x7fonly when the last backup was performed. How would you recover the tablespace？（）

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Your developers have asked you to restore the development database， which is in NOARCHIVELOG mode， back to last Tuesday the 20th. Your last backup is from Monday the 19th. What do you do？（）

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You enabled block change tracking for faster incremental backups in your database. Which background process writes to the change tracking file？（）

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The DB_BLOCK_CHECKINGinitialization parameter is set to TRUE. What would be the result of this setting on the data blocks being written to the datafiles， every time the DBWn writes？（）

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