No Mount Mode
Open and Read the Parameter file
Create\Append the Alert Log file
Memory Structures are allocated
Background process is started
Instance is started
Administrative
Tasks in No Mount mode
Ø
To create Database
Ø
To recreate Control file
Mount Mode
Open and Read the Parameter file
Create\Append the Alert
Log file
Memory
Structures are allocated
Background
process is started
Instance
is started.
Open the Control
file and read, check for physical existence of file.
Mount
the Database. Data file\Redo Log files
Administrative
Tasks in Mount mode
Ø
To perform system datafile recovery
Ø
To perform full database complete recovery
Ø
To perform incomplete recovery
Ø
To rename system datafile or redo log file
Ø
To place database to archive log mode to
noarchive log mode
Ø
Other administrative tasks
Open Mode
Open and Read the Parameter file
Create\Append the Alert
Log file
Memory
Structures are allocated
Background
process is started
Instance
is started.
Open the Control
file and read, check for physical existence of file.
Mount the Database. Data file\Redo Log files
Sync
status of the Database
Database
will be open
Administrative
Tasks in Mount mode
To make database avaialble for users
To perform transactions
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