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33.12. Preprocessor directives ....................................................................................... 671
33.12.1. Including files......................................................................................... 671
33.12.2. The #define and #undef directives ......................................................... 671
33.12.3. ifdef, ifndef, else, elif, and endif directives ...........................................672
33.13. Processing Embedded SQL Programs................................................................ 672
33.14. Library Functions ............................................................................................... 673
33.15. Internals .............................................................................................................. 674
34. The Information Schema................................................................................................... 677
34.1. The Schema .......................................................................................................... 677
34.2. Data Types ............................................................................................................ 677
34.3. information_schema_catalog_name ...........................................................677
34.4. administrable_role_authorizations.......................................................678
34.5. applicable_roles............................................................................................ 678
34.6. attributes......................................................................................................... 679
34.7. check_constraint_routine_usage ............................................................. 681
34.8. check_constraints ......................................................................................... 682
34.9. column_domain_usage ..................................................................................... 682
34.10. column_privileges ....................................................................................... 683
34.11. column_udt_usage.......................................................................................... 684
34.12. columns ............................................................................................................. 684
34.13. constraint_column_usage .......................................................................... 689
34.14. constraint_table_usage............................................................................. 689
34.15. data_type_privileges................................................................................. 690
34.16. domain_constraints ..................................................................................... 691
34.17. domain_udt_usage.......................................................................................... 691
34.18. domains ............................................................................................................. 692
34.19. element_types ................................................................................................ 694
34.20. enabled_roles ................................................................................................ 697
34.21. foreign_data_wrapper_options................................................................ 697
34.22. foreign_data_wrappers............................................................................... 698
34.23. foreign_server_options............................................................................. 698
34.24. foreign_servers............................................................................................ 699
34.25. key_column_usage.......................................................................................... 699
34.26. parameters....................................................................................................... 700
34.27. referential_constraints .......................................................................... 703
34.28. role_column_grants ..................................................................................... 704
34.29. role_routine_grants ................................................................................... 704
34.30. role_table_grants ....................................................................................... 705
34.31. role_usage_grants ....................................................................................... 706
34.32. routine_privileges ..................................................................................... 706
34.33. routines...........................................................................................................707
34.34. schemata...........................................................................................................713
34.35. sequences......................................................................................................... 713
34.36. sql_features .................................................................................................. 714
34.37. sql_implementation_info .......................................................................... 715
34.38. sql_languages ................................................................................................ 716
34.39. sql_packages .................................................................................................. 716
34.40. sql_parts......................................................................................................... 717
34.41. sql_sizing....................................................................................................... 717
34.42. sql_sizing_profiles ................................................................................... 718
34.43. table_constraints ....................................................................................... 718
34.44. table_privileges.......................................................................................... 719
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