Repository for z/OS DDL Generation facility does not generate Microsoft SQL Server data types BIGINT, NTEXT and UNIQUEIDENTIFIER for elements manually entered through Quick Table or via the ELEMENT entity.
The BIGINT data type is being generated as TINYINT whereas NTEXT and UNIQUEIDENTIFIER are not valid data types in the ELEMENT entity and thus cannot be stored.
Repository for z/OS
7.2
DDL Generation for MS SQL Server
For the data types in question, specify a DATA TYPE of USER on the ELEMENT entity and then the corresponding data type in the PICTURE CLAUSE.
For example,