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[PotgreSQL]基本コマンド備忘録

Last updated at Posted at 2014-12-08

#コマンド

表示系は末尾に+をつけると詳細表示になる

##db接続


//psql -U ユーザ名 データベース名
# psql -U postgres testdb
Welcome to psql 8.3.15, the PostgreSQL interactive terminal.

##遠隔接続

#psql -h 10.3.2.223 -p 5432 -U postgres -W  sampledb

##データベースリスト出力

#\list
        List of databases
   Name    |  Owner   | Encoding
-----------+----------+----------
 sampledb  |  testuser    | UTF8

##データベースに接続

#\c sampledb
You are now connected to database "sampledb".

##テーブル確認

# \d
                List of relations
 Schema |       Name        |   Type   |  Owner
--------+-------------------+----------+----------
 public | goods             | table    | postgres
 public | goods_id_seq      | sequence | postgres
 public | items             | table    | postgres
 public | items_id_seq      | sequence | postgres
 public | schema_migrations | table    | postgres
(5 rows)

##インデックス確認


# \di
                                   List of relations
 Schema |           Name           | Type  |  Owner   |       Table       | Description
--------+--------------------------+-------+----------+-------------------+-------------
 public | goods_pkey               | index | postgres | goods             |
 public | items_pkey               | index | postgres | items             |
 public | unique_schema_migrations | index | postgres | schema_migrations |
(3 rows)

##表領域リスト出力

#\db
       List of tablespaces
    Name    |  Owner   | Location
------------+----------+----------
 pg_default | postgres |
 pg_global  | postgres |
(2 rows)

##データベースサイズ確認


select datid,datname from pg_stat_database;
 datid |  datname
-------+-----------
     1 | template1
 11510 | template0
 11511 | postgres
 16385 | sampledb
(4 rows)

OS側で確認

#cd /usr/local/pgsql/data
#ls base
1  11510  11511  16385

##パスワードリセット

#alter role postgres with password 'password';

#外部接続設定
下記設定ファイルを記載し、リスタート
参考:http://rina.jpn.ph/~rance/linux/postgresql/connect.html

/usr/local/pgsql/data/postgresql.conf
listen_addresses = 'localaddr' ← DBサーバのインタフェースIP
port 5432

どのサーバ

/usr/local/pgsql/data/pg_hba.conf

host    all         all         10.3.2.0/24           md5

サーバリスタート


# /etc/rc.d/init.d/pgsql restart


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