postgres change database

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Postgres log Utility

Postgres log utility has to say that Postgres logs (pg_log, similar to the oracle alter file, rather than pg_xlog) are indeed flexible and feature-rich, the following are some management functions using ipvs logs. The parameters involved are in the

Modify the password for the default user postgres of the PostgreSQL database

Sometimes, what if I forget the password of the default user Postgres when PostgreSQL is installed?Linux shell command input below: sudo-u postgres psql (so that you can directly login into the Postgres, and then in the inside can be added users,

Basic introduction of Postgres Database

Recently, I have been working on a project related to PostgreSQL database, documenting the knowledge that I have learned in this process. About PostgreSQL database online already have too many relevant introduction, in order to blog the system or

Linux installation configuration postgres and use Dblink

Long time do not write things, have been looking at some open source things, the following paste on Linux installation configuration postgres and use Dblink operation reference for readers and their future reference:1. Download Source: postgresql-9.3

Summary of Postgres Common commands

One: Command line Backup and recovery Postgres database①: First switch to Postgres userSu Postgres ②: Backing up a database named host to a temporary file Host.dumpPg_dump-w Host >/tmp/host.dump ③: Import data from backup file infile to database

Rails Connection PostgreSQL Error: Psql: Fatal error: User "Postgres" Ident authentication failed

Psql: Fatal error: User "Postgres" Ident authentication failed1 after installing the PostgreSQL database, you need to initialize and some configuration rails project to connect PostgreSQL.After the PostgreSQL data is installed (the Yum command is

PostgreSQL Remote Connection Configuration Management/account password Assignment (FIX: Fatal error: User "Postgres" Ident authentication failed)

Problem: Fatal error: User "Postgres" Ident authentication failedNote: This is because there is no remote access configured and authentication method has not changed, only need to change the use of account password authentication.Workaround: Locate

INITDB analysis of Postgres--from the failure of one plugin upgrade

Our company has developed a database product based on Postgres, needless to say we have changed the source code of OSS, and have also integrated and written some plugins. Therefore, when PostgreSQL and related plugins are upgraded, we also need to

Modify one line of code to promote Postgres performance 100 times times _postgresql

In a (bad) PostgreSQL query, just a little to change (any (array[...)) to any (VALUES (...) ) will be able to reduce the query time from 20s to 0.2s. From the simplest learning to use EXPLAIN ANALYZE , to learn to use the Postgres community A lot of

Postgres Create user, modify user password, CREATE DATABASE __ Database

Reference: http://my.oschina.net/dddpeter/blog/116153 1. Create a user 1 Sudo-s-U postgres 2 Psql 3 postgres# CREATE USER xxxx1 with PASSWORD ' xxxx '; 4

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