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Python3からPostgreDBに接続する方法

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Last updated at Posted at 2018-10-27

個人作業用にメモしてます。

Python3からPostgresqlを実行する方法

# 接続用ライブラリ
import psycopg2

# PostgreDBに接続
conn = psycopg2.connect("host=[ホスト名] port=[ポート番号] dbname=【データベース名】 user=【ユーザー名】 password=【パスワード】")

# SQLを実行
cur = conn.curcur
cur.execute("【SQL文】")

DB接続設定を発行する方法を改良

##############################
#    Connection Settings     #
##############################
host     = "【ホスト名】"
port     = "【ポート番号】"
dbname   = "【データベース名】"
user     = "【ユーザー名】"
password = "【パスワード】"
                        
##############################
#    Connection Exe          #
##############################
conn = psycopg2.connect("host={h} port={p} dbname={db} user={u} password={pa}"\
   .format(h=host,p=port,db=dbname,u=user,pa=password))
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