%TSQL.sys.typespersistent class %TSQL.sys.types
Contains one row for each system-supplied and each user-defined data type.
Physical length of data type property name as %String(MAXLEN=60) [ Required ];
Data type name. property usertype as %String(MAXLEN=50) [ Transient ];
User type ID In Sybase this is a SMALLINT, but we'll have it a string because we do not have unique ID numbers for our types and classes.