github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/docs/generated/sql/bnf/unique_column_level.bnf (about)

     1  stmt_block ::=
     2  	'CREATE' 'TABLE' table_name '(' column_name column_type 'UNIQUE' ( column_constraints | ) ( ',' ( column_def ( ',' column_def )* ) | ) ( table_constraints | ) ')' ')'