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PostgreSQL 7.1.3 Documentation
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I. SQL Commands

This is reference information for the SQL commands supported by Postgres.

Table of Contents
ABORT -- Aborts the current transaction
ALTER GROUP -- Add users to a group, remove users from a group
ALTER TABLE -- Modifies table properties
ALTER USER -- Modifies user account information
BEGIN -- Begins a transaction in chained mode
CHECKPOINT -- Force transaction log checkpoint
CLOSE -- Close a cursor
CLUSTER -- Gives storage clustering advice to the server
COMMENT -- Add comment to an object
COMMIT -- Commits the current transaction
COPY -- Copies data between files and tables
CREATE AGGREGATE -- Defines a new aggregate function
CREATE CONSTRAINT TRIGGER -- Create a trigger to support a constraint
CREATE DATABASE -- Creates a new database
CREATE FUNCTION -- Defines a new function
CREATE GROUP -- Creates a new group
CREATE INDEX -- Constructs a secondary index
CREATE LANGUAGE -- Defines a new language for functions
CREATE OPERATOR -- Defines a new user operator
CREATE RULE -- Defines a new rule
CREATE SEQUENCE -- Creates a new sequence number generator
CREATE TABLE -- Creates a new table
CREATE TABLE AS -- Creates a new table from the results of a SELECT
CREATE TRIGGER -- Creates a new trigger
CREATE TYPE -- Defines a new base data type
CREATE USER -- Creates a new database user
CREATE VIEW -- Constructs a virtual table
DECLARE -- Defines a cursor for table access
DELETE -- Removes rows from a table
DROP AGGREGATE -- Removes the definition of an aggregate function
DROP DATABASE -- Removes an existing database
DROP FUNCTION -- Removes a user-defined C function
DROP GROUP -- Removes a group
DROP INDEX -- Removes existing indexes from a database
DROP LANGUAGE -- Removes a user-defined procedural language
DROP OPERATOR -- Removes an operator from the database
DROP RULE -- Removes existing rules from the database
DROP SEQUENCE -- Removes existing sequences from a database
DROP TABLE -- Removes existing tables from a database
DROP TRIGGER -- Removes the definition of a trigger
DROP TYPE -- Removes user-defined types from the system catalogs
DROP USER -- Removes a user
DROP VIEW -- Removes existing views from a database
END -- Commits the current transaction
EXPLAIN -- Shows statement execution plan
FETCH -- Gets rows using a cursor
GRANT -- Grants access privilege to a user, a group or all users
INSERT -- Inserts new rows into a table
LISTEN -- Listen for a response on a notify condition
LOAD -- Dynamically loads an object file
LOCK -- Explicitly lock a table inside a transaction
MOVE -- Moves cursor position
NOTIFY -- Signals all frontends and backends listening on a notify condition
REINDEX -- Recover corrupted system indexes under stand-alone Postgres
RESET -- Restores run-time parameters to default values
REVOKE -- Revokes access privilege from a user, a group or all users.
ROLLBACK -- Aborts the current transaction
SELECT -- Retrieves rows from a table or view
SELECT INTO -- Creates a new table from the results of a SELECT
SET -- Set run-time parameters
SET CONSTRAINTS -- Set the constraint mode of the current SQL-transaction
SET TRANSACTION -- Set the characteristics of the current SQL-transaction
SHOW -- Shows run-time parameters
TRUNCATE -- Empty a table
UNLISTEN -- Stop listening for notification
UPDATE -- Replaces values of columns in a table
VACUUM -- Clean and analyze a Postgres database

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