V$LOGSTDBY_STATE

V$LOGSTDBY_STATE provides consolidated information from V$LOGSTDBY and V$LOGSTDBY_STATS about the running state of Logical Standby.

Column Datatype Description
PRIMARY_DBID NUMBER Database ID (DBID) of the primary database
PRIMARY_CON_DBID NUMBER This column indicates the DBID of the source database or source PDB corresponding to the database (or CDB) from which this column is queried.For a non-CDB and the root of a CDB, this column matches the PRIMARY_DBID column.For a maintained PDB, this column indicates the DBID for the corresponding PDB at the source.For a skipped PDB or a local PDB, this column would be NULL.
SESSION_ID NUMBER LogMiner session ID allocated to SQL Apply.
REALTIME_APPLY VARCHAR2(64) Y indicates that SQL Apply is running in real-time apply mode. If a standby redo log is configured, SQL Apply applies changes as they are written to the standby redo log files. N indicates that SQL Apply applies changes as each archived redo log file is received.
STATE VARCHAR2(64)

  • INITIALIZING: LogMiner session has been created and coordinator has attached to it

  • LOADING DICTIONARY: SQL Apply is loading the LogMiner dictionary

  • WAITING ON GAP: SQL Apply is waiting for a log file to be sent from the primary database

  • APPLYING: SQL Apply is actively mining or applying transactions

  • WAITING FOR DICTIONARY LOGS: SQL Apply is waiting for the archived logs containing the LogMiner dictionary to be shipped from the primary database

  • IDLE: SQL Apply has applied all changes available at the logical standby, and is caught up with the primary database

CON_ID NUMBER

The ID of the container to which the data pertains. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data

See Also: