ShaneKing

PostgreSQL 笔记

2019/06/29 DB PostgreSQL

Base of MPPDB.

安装设置

安装

https://www.postgresql.org/download/linux/redhat/

设置

  • 修改 postgres 密码
    • su - postgres
    • psql -U postgres
    • alter user postgres with password 'pwd'
  • 配合 Nginx 
    stream {
  server {
      listen 45432;
      proxy_pass ip:5432;
  }
}
  • 修改 /var/lib/pgsql/12/data/postgresql.conf
listen_addresses = '*'
  • 修改 /var/lib/pgsql/12/data/pg_hba.conf
# TYPE  DATABASE        USER            ADDRESS                 METHOD

# "local" is for Unix domain socket connections only
#local   all             all                                     peer
local   all             all                                     md5
# IPv4 local connections:
host    all             all             127.0.0.1/32            md5
# IPv6 local connections:
host    all             all             ::1/128                 md5
host    all             all             0.0.0.0/0               md5
# Allow replication connections from localhost, by a user with the
# replication privilege.
#local   replication     all                                     peer
local   replication     all                                     md5
host    replication     all             127.0.0.1/32            md5
host    replication     all             ::1/128                 md5
host    replication     all             0.0.0.0/0               md5
  • 重启：systemctl restart postgresql-12

建

  • su - postgres
  • psql -U postgres

    用户

  • create user testuser with password 'testuser';
  • create database testdb encoding=UTF8;
  • grant all privileges on database testdb to testuser;

    schema

  • psql -U testuser -d testdb[ -p 5432]
  • create schema testschema;
  • alter schema testschema owner to testuser;

命令

\? 帮助  
\dS+ 列出表 \dS+ tableName 列出表信息
\l 列出数据库 \l+ 列出更多信息
\q 退出  
psql 登录 psql -U testuser -d testdb

Search

    Donate

    ShaneKing

    Table of Contents