Describe
proc sql;
describe table dictionary.table_constraints;
quit;
/*
create table DICTIONARY.TABLE_CONSTRAINTS
(
table_catalog char(8) label='Libname',
table_schema char(8) label='Table Schema',
table_name char(32) label='Table',
constraint_catalog char(32) label='Constraint Catalog',
constraint_schema char(8) label='Constraint Schema',
constraint_name char(32) label='Constraint Name',
constraint_type char(8) label='Constraint Type',
is_deferrable char(1) label='Is Deferred?',
initially_deferred char(1) label='Initially Deferred?'
);
*/