psql \h
psql の中で
\h
と入力すると、help が表示され、どういう操作が出来るかが分る
test=# \h
Available help:
ABORT CREATE TRIGGER GRANT
ALTER GROUP CREATE TYPE INSERT
ALTER TABLE CREATE USER LISTEN
ALTER USER CREATE VIEW LOAD
BEGIN DECLARE LOCK
CHECKPOINT DELETE MOVE
CLOSE DROP AGGREGATE NOTIFY
CLUSTER DROP DATABASE REINDEX
COMMENT DROP FUNCTION RESET
COMMIT DROP GROUP REVOKE
COPY DROP INDEX ROLLBACK
CREATE AGGREGATE DROP LANGUAGE SELECT
CREATE CONSTRAINT TRIGGER DROP OPERATOR SELECT INTO
CREATE DATABASE DROP RULE SET
CREATE FUNCTION DROP SEQUENCE SET CONSTRAINTS
CREATE GROUP DROP TABLE SET TRANSACTION
CREATE INDEX DROP TRIGGER SHOW
CREATE LANGUAGE DROP TYPE TRUNCATE
CREATE OPERATOR DROP USER UNLISTEN
CREATE RULE DROP VIEW UPDATE
CREATE SEQUENCE END VACUUM
CREATE TABLE EXPLAIN
CREATE TABLE AS FETCH
test=#
特にその中の、何かの help を見たい時には \h show のように入力する
test=# \h show
Command: SHOW
Description: Shows run-time parameters
Syntax:
SHOW name
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