MySQL 8.4 Release Notes
28.3.39 INFORMATION_SCHEMA TABLES_EXTENSIONS 表
The TABLES_EXTENSIONS
table provides information about table attributes defined for primary and secondary storage engines.
Note
The TABLES_EXTENSIONS
table is reserved for future use.
The TABLES_EXTENSIONS
table has these columns:
-
TABLE_CATALOG
The name of the catalog to which the table belongs. This value is always
def
. -
TABLE_SCHEMA
The name of the schema (database) to which the table belongs.
-
TABLE_NAME
The name of the table.
-
ENGINE_ATTRIBUTE
Table attributes defined for the primary storage engine. Reserved for future use.
-
SECONDARY_ENGINE_ATTRIBUTE
Table attributes defined for the secondary storage engine. Reserved for future use.