physical storage structure

1: Introduction to the physical storage structure

• Data files and temporary files

• control file

• Online redo log files

    

Two: Overview of the data file

1: Use data files

2: Permanent and temporary data files

3: Data file structure

Three: Overview of the control file

1: Use a control file

2: Multiple control files

3: Backup control file

4: Control file structure

The control file contains the following types of records:

• Reuse records circularly

  

• Acyclic reuse of records

  

experiment:

   

————————————————————————————————————————————————————————————————