For information about the syntax used to create table columns, see CREATE TABLE in Teradata Vantage™ - SQL Data Definition Language Syntax and Examples, B035-1144.
For information about modifying, adding, or dropping table columns, see ALTER TABLE (Basic Table Parameters) and ALTER TABLE in Teradata Vantage™ - SQL Data Definition Language Syntax and Examples, B035-1144.
For detailed information about row-level security, see Teradata Vantage™ - Analytics Database Security Administration, B035-1100.