A
- abbrev()
- ABORT
- abs()
- aclexplode()
- acos()
- acosd()
- acosh()
- add_missing_from
- adminpack
- 咨询锁
- allow_alter_system
- allow_in_place_tablespaces
- allow_system_table_mods
- ALTER AGGREGATE
- ALTER COLLATION
- ALTER CONVERSION
- ALTER DATABASE
- ALTER DEFAULT PRIVILEGES
- ALTER DOMAIN
- ALTER EVENT TRIGGER
- ALTER EXTENSION
- ALTER FOREIGN DATA WRAPPER
- ALTER FOREIGN TABLE
- ALTER FUNCTION
- ALTER GROUP
- ALTER INDEX
- ALTER LANGUAGE
- ALTER LARGE OBJECT
- ALTER MATERIALIZED VIEW
- ALTER OPERATOR
- ALTER OPERATOR CLASS
- ALTER OPERATOR FAMILY
- ALTER POLICY
- ALTER PROCEDURE
- ALTER PUBLICATION
- ALTER ROLE
- ALTER ROUTINE
- ALTER RULE
- ALTER SCHEMA
- ALTER SEQUENCE
- ALTER SERVER
- ALTER STATISTICS
- ALTER SUBSCRIPTION
- ALTER SYSTEM
- ALTER TABLE
- ALTER TABLESPACE
- ALTER TEXT SEARCH CONFIGURATION
- ALTER TEXT SEARCH DICTIONARY
- ALTER TEXT SEARCH PARSER
- ALTER TEXT SEARCH TEMPLATE
- ALTER TRIGGER
- ALTER TYPE
- ALTER USER
- ALTER USER MAPPING
- ALTER VIEW
- amcheck
- ANALYZE
- application_name
- archive_cleanup_command
- archive_command
- archive_library
- archive_mode
- archive_timeout
- 数组
- ARRAY[]
- array_agg()
- array_append()
- array_cat()
- array_dims()
- array_fill()
- array_length()
- array_lower()
- array_ndims()
- array_nulls
- array_position()
- array_positions()
- array_prepend()
- array_remove()
- array_replace()
- array_sample()
- array_shuffle()
- array_to_json()
- array_to_string()
- array_to_tsvector()
- array_upper()
- ascii()
- AsciiDoc
- asin()
- asind()
- asinh()
- atan()
- atan2()
- atan2d()
- atand()
- atanh()
- australian_timezones
- auth_delay
- authentication_timeout
- autocommit
- auto_explain
- autovacuum_max_workers
- autovacuum_naptime
- autovacuum_vacuum_cost_delay
- autovacuum_vacuum_cost_limit
- autovacuum_vacuum_insert_scale_factor
- autovacuum_vacuum_insert_threshold
- autovacuum_work_mem