For information about converting data between data types, see Data Types and Literals, B035-1143.
The following column attributes are supported for UDT, Geospatial, and Period columns:
- DEFAULT NULL
- FORMAT
- NAMED
- NOT NULL
- NULL
- TITLE
The following column attributes are not supported for UDT, Geospatial, and Period columns:
- CASESPECIFIC or CS
- NOT CASESPECIFIC or NOT CS
- CHARACTER SET
- COMPRESS
- DEFAULT DATE
- DEFAULT TIME
- DEFAULT USER
- UPPERCASE or UC
For a complete list of supported attributes, see Data Types and Literals, B035-1143.
For information about the additional column attributes that apply to the columns of temporal tables, see Temporal Table Support, B035-1182 and ANSI Temporal Table Support, B035-1186.