Control File contains

1) Name and location of all Datafiles.
2)Name and location of all redolog files.
3)Current log sequence Number.

Controlfile contains

• name and id of database
• time stamp of database creation
• names and location of datafiles
• names of tablespaces
• current SCN number
• current LSN number
• Checkoint information
• Backup

control file is a binary file

which having information 1.database name

2.database creation

3.checkpoint information

4.no of datafiles

5.redolog files

The controlfile contains :

1. Name and Location of Datafiles Redo Logfiles.
2. Timestamp of Database Creation.
3. Current log sequence number is recorded when log switches are occur.
4. Checkpoint information is recorded as checkpoints are made.
5. Database identifier is recorded when the database is created.