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Look at the official documents of POSTGRESQL9, the more I look confused, this table space, database, mode, table, user, role relationship between how in PostgreSQL so chaotic?After a small experiment at noon, I gradually cleared up the ins and outs.

The system and software used Ubuntu 12.10Python 2.7.3Django 1.4.2Pycharm 2.6.3Postgresql 9.1VirtualenvVirtualenvwrapperOpenjdk Before you start, be sure to make a backup of your system. Because if the operation is wrong, there will be unnecessary

Original: http://blog.csdn.net/kanon_lgt/article/details/5931522Look at the official documents of POSTGRESQL9, the more I look confused, this table space, database, mode, table, user, role relationship between how in PostgreSQL so chaotic?After a

Author: LengF PostTime: 2011-08-17 I believe that Mysql and MSSQL are the most common concerns. Of course, Oracle has also received much attention. However, some databases are "rare", such as DB2, Postgresql, Sybase ASE, and Informix. If you do not

Working with WalbouncerIn the final chapter of this book, you will be guided to a tool that was released in 2014, called Walbouncer. Most of the tips in this book show how to replicate an entire database instance, how to Shard, and so on. In the

The relationship between PostgreSQL table space , schema, table, user/Role is the main content of this article, table space, database, schema, table, user, role relationship in the end what is it? Let's start by introducing this process.Experiment

A PostgreSQL database cluster contains one or more named databases. Users and user groups are shared across the cluster, but other data is not shared. Any client connected to the server can only access the database declared in the connection request.

What is BarmanBarman (Backup and Recovery Manager) is a convenient backup and recovery tool in the PostgreSQL database server that allows remote backup of multiple servers, allowing a single command from a single backup set to restore the database.

first, experiment shows the relationship between roles and users in PostgreSQL, there are two confusing concepts: Role/Use User. These two concepts are confusing because for PostgreSQL, they are two identical objects. The only difference is: 1. I

This article references: http://blog.csdn.net/kanon_lgt/article/details/5931522 http://blog.csdn.net/kanon_lgt/article/details/6220928 DB instance and schema: schema is the logical division of a DB instance. The database is segmented by schema