MySQL 9.4 Reference Manual Including MySQL NDB Cluster 9.4
The JSON_DUALITY_VIEW_LINKS table
shows information about the relationships between parent and child
tables for all views accessible by the current user. There is one
row per view.
The JSON_DUALITY_VIEW_LINKS table has
the columns shown here:
TABLE_CATALOG
View catalog; this is always def.
TABLE_SCHEMA
View schema.
TABLE_NAME
View name.
PARENT_TABLE_CATALOG
Parent catalog; this is always def.
PARENT_TABLE_SCHEMA
Parent schema.
PARENT_TABLE_NAME
Parent table.
CHILD_TABLE_CATALOG
Child catalog; this is always def.
CHILD_TABLE_SCHEMA
Child schema.
CHILD_TABLE_NAME
Child table.
PARENT_TABLE_COLUMN_NAME
Parent column name.
CHILD_TABLE_COLUMN_NAME
Child column name.
JOIN_TYPE
One of NESTED or OUTER.
JSON_KEY_NAME
Name of the applicable JSON key, if any.
The JSON_DUALITY_VIEW_LINKS table was
added in MySQL 9.4.0