When an instance of an ORACLE database is started, its control file is used to identify the database and redo log files that must be opened for database operation to proceed. It is also used in database recovery.
Control files is a binary file. Before database is opened it determines whether database is in valid state or not. If yes then database is opened.
List the factors that can affect the accuracy of the estimations?
What are the different kind of export backups?
What is cold backup? What are the elements of it?
What is a logical backup?
What is hot backup and how it can be taken?
What is the use of FILE option in EXP command?
What is the use of GRANT option in EXP command?
What is the use of INDEXES option in EXP command?
What is the use of ROWS option in EXP command?
What is the use of PARFILE option in EXP command?
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