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MySQL 9.4 Reference Manual  / ...  / INFORMATION_SCHEMA Tables  / INFORMATION_SCHEMA General Tables  /  The INFORMATION SCHEMA JSON_DUALITY_VIEW_COLUMNS Table

28.3.19 The INFORMATION SCHEMA JSON_DUALITY_VIEW_COLUMNS Table

TheJSON_DUALITY_VIEW_COLUMNS table shows information about all columns referenced by any JSON duality view which is accessible by the current user. There is one row per table reference.

TheJSON_DUALITY_VIEW_COLUMNS table has the following columns:

  • TABLE_CATALOG

    View catalog; this is alwaysdef.

  • TABLE_SCHEMA

    View schema.

  • TABLE_NAME

    View name.

  • REFERENCED_TABLE_CATALOG

    Table catalog; alwaysdef.

  • REFERENCED_TABLE_SCHEMA

    Table schema.

  • REFERENCED_TABLE_NAME

    Table name.

  • IS_ROOT_TABLE

    1 if this is the root table, otherwise0.

  • REFERENCED_TABLE_ID

    Unique table ID within this view.

  • REFERENCED_TABLE_COLUMN_NAME

    Column name.

  • JSON_KEY_NAME

    JSON key name.

  • ALLOW_INSERT

    1 if inserts are allowed, otherwise0.

  • ALLOW_UPDATE

    1 if updates are allowed, otherwise0.

  • ALLOW_DELETE

    1 if deletes are allowed, otherwise0.

  • READ_ONLY

    1 if insert, update, or delete are not allowed, otherwise0. (In other words, this is1 only whenALLOW_INSERT,ALLOW_UPDATE, andALLOW_DELETE are all0.)

TheJSON_DUALITY_VIEW_COLUMNS table was added in MySQL 9.4.0.