V$SQL_SHARD

V$SQL_SHARD displays the shard information for a shard query’s previous execution. This view uniquely maps a shard SQL fragment of a cross shard query to the target shard database.

Column Datatype Description
SQL_ID VARCHAR2(13) SQL identifier of a cross shard query on the coordinator
CHILD_NUMBER NUMBER Cursor child number of a cross shard query on the coordinator
OPERATION_ID NUMBER Operation ID of a remote node for a shard SQL fragment of a cross shard query
SHARD_SQL_ID VARCHAR2(13) SQL ID of the SQL segment associated with a remote operation identified by the operation ID in the OPERATION_ID column
SHARD_ID NUMBER IDs of shards where the shard SQL fragment was executed
SHARD_CHILD_NUMBER NUMBER Cursor child number of a shard SQL fragment on a shard. The default value is 0.
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: Oracle Globally Distributed AI Database for more information about the V$SQL_SHARD view