DB_KEY 

NUMBER 

NOT NULL  

The primary key for the database. Use this column to form a join with almost any other catalog view. 

DBINC_KEY 

NUMBER 

The primary key for the current incarnation. Use this column to form a join with RC_DATABASE_INCARNATION. 

DBID 

NUMBER 

NOT NULL  

Unique identifier for the database obtained from V$DATABASE. 

NAME 

VARCHAR2(8) 

NOT NULL  

The DB_NAME of the database for the current incarnation. 

RESETLOGS_CHANGE# 

NUMBER 

NOT NULL  

The SCN of the most recent RESETLOGS operation when the record was created. 

RESETLOGS_TIME 

DATE 

NOT NULL  

The timestamp of the most recent RESETLOGS operation when the record was created.