Client Interfaces
This part describes the client programming interfaces distributed with PostgreSQL . Each of these chapters can be read independently. Note that there are many other programming interfaces for client programs that are distributed separately and contain their own documentation ( Appendix H lists some of the more popular ones). Readers of this part should be familiar with using SQL commands to manipulate and query the database (see Part II ) and of course with the programming language that the interface uses.
- Table of Contents
 - 31. libpq - C Library
 - 
     
- 31.1. Database Connection Control Functions
 - 31.2. Connection Status Functions
 - 31.3. Command Execution Functions
 - 31.4. Asynchronous Command Processing
 - 31.5. Retrieving Query Results Row-By-Row
 - 31.6. Canceling Queries in Progress
 - 31.7. The Fast-Path Interface
 - 31.8. Asynchronous Notification
 - 31.9. Functions Associated with the COPY Command
 - 31.10. Control Functions
 - 31.11. Miscellaneous Functions
 - 31.12. Notice Processing
 - 31.13. Event System
 - 31.14. Environment Variables
 - 31.15. The Password File
 - 31.16. The Connection Service File
 - 31.17. LDAP Lookup of Connection Parameters
 - 31.18. SSL Support
 - 31.19. Behavior in Threaded Programs
 - 31.20. Building libpq Programs
 - 31.21. Example Programs
 
 - 32. Large Objects
 - 
     
- 32.1. Introduction
 - 32.2. Implementation Features
 - 32.3. Client Interfaces
 - 32.4. Server-side Functions
 - 32.5. Example Program
 
 - 33. ECPG - Embedded SQL in C
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- 33.1. The Concept
 - 33.2. Managing Database Connections
 - 33.3. Running SQL Commands
 - 33.4. Using Host Variables
 - 33.5. Dynamic SQL
 - 33.6. pgtypes Library
 - 33.7. Using Descriptor Areas
 - 33.8. Error Handling
 - 33.9. Preprocessor Directives
 - 33.10. Processing Embedded SQL Programs
 - 33.11. Library Functions
 - 33.12. Large Objects
 - 33.13. C++ Applications
 - 33.14. Embedded SQL Commands
 - 33.15. Informix Compatibility Mode
 - 33.16. Internals
 
 - 34. The Information Schema
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- 34.1. The Schema
 - 34.2. Data Types
 - 34.3. information_schema_catalog_name
 - 34.4. administrable_role_authorizations
 - 34.5. applicable_roles
 - 34.6. attributes
 - 34.7. character_sets
 - 34.8. check_constraint_routine_usage
 - 34.9. check_constraints
 - 34.10. collations
 - 34.11. collation_character_set_applicability
 - 34.12. column_domain_usage
 - 34.13. column_options
 - 34.14. column_privileges
 - 34.15. column_udt_usage
 - 34.16. columns
 - 34.17. constraint_column_usage
 - 34.18. constraint_table_usage
 - 34.19. data_type_privileges
 - 34.20. domain_constraints
 - 34.21. domain_udt_usage
 - 34.22. domains
 - 34.23. element_types
 - 34.24. enabled_roles
 - 34.25. foreign_data_wrapper_options
 - 34.26. foreign_data_wrappers
 - 34.27. foreign_server_options
 - 34.28. foreign_servers
 - 34.29. foreign_table_options
 - 34.30. foreign_tables
 - 34.31. key_column_usage
 - 34.32. parameters
 - 34.33. referential_constraints
 - 34.34. role_column_grants
 - 34.35. role_routine_grants
 - 34.36. role_table_grants
 - 34.37. role_udt_grants
 - 34.38. role_usage_grants
 - 34.39. routine_privileges
 - 34.40. routines
 - 34.41. schemata
 - 34.42. sequences
 - 34.43. sql_features
 - 34.44. sql_implementation_info
 - 34.45. sql_languages
 - 34.46. sql_packages
 - 34.47. sql_parts
 - 34.48. sql_sizing
 - 34.49. sql_sizing_profiles
 - 34.50. table_constraints
 - 34.51. table_privileges
 - 34.52. tables
 - 34.53. triggered_update_columns
 - 34.54. triggers
 - 34.55. udt_privileges
 - 34.56. usage_privileges
 - 34.57. user_defined_types
 - 34.58. user_mapping_options
 - 34.59. user_mappings
 - 34.60. view_column_usage
 - 34.61. view_routine_usage
 - 34.62. view_table_usage
 - 34.63. views