MPE_DATACATALOG_LIBS table catalogs library attributes such as engine, paths, permissions, owners & schemas.
More frequently changing attributes (such as size and number of tables) are stored in MPE_DATASTATUS_LIBS.
To ignore additional librefs, or to trigger a scan, see the Refresh Data Catalog instructions.
TX_FROM num: SCD2 open datetime
TX_TO num: SCD2 close datetime
LIBREF char(8): SAS Libref (8 chars)
ENGINE char(32): The engine used to connect to the library
LIBNAME char(256): The Library Name (from metadata if SAS 9)
PATHS char(8192): The directories used (BASE engine only)
PERMS char(500): The directory permissions (BASE engine only)
OWNERS char(500): The directory owners (BASE engine only)
SCHEMAS char(500): The library schema (DB engines)
LIBID char(17): The Library Id (from metadata if SAS 9)