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
Comparison between PostgreSQL and MySQL
Features
MySQL
PostgreSQL
Instance
Run the MySQL Command (mysqld) to start the instance. One instance can manage one or more databases. One server can run multiple mysqld instances.
PostgreSQL is a role to manage database access, we can see a role as a database user, or a group of database users. A role can have database objects, such as tables, indexes, or other roles on those objects to control which users have permissions on
PostgreSQL manages database access through roles, and we can treat a role as a database user or a group of database users. Roles can have database objects, such as tables, indexes, or permissions on those objects to other roles to control which
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.
From: http://bbs.chinaunix.net/thread-1688208-1-1.html
Features
MySQL
PostgreSQL
Instance
Run the MySQL Command (mysqld) to start the instance. One instance can manage one or more databases. One server can run
PostgreSQL manages database access permissions through roles. we can regard a role as a database user or a group of database users. Roles can have database objects, such as tables and indexes, or grant permissions on these objects to other roles to
Characteristics
Mysql
PostgreSQL
Instance
Launch the instance by executing the MySQL command (MYSQLD). One instance can manage one or more databases. A single server can run multiple mysqld instances. An instance manager
Http://bbs.chinaunix.net/thread-1688208-1-1.html
Characteristics
Mysql
PostgreSQL
Instance
Launch the instance by executing the MySQL command (MYSQLD). One instance can manage one or more databases. A
this post was last edited by osdba on 2011-04-21 16:33
Characteristics
Mysql
PostgreSQL
Instance
Launch the instance by executing the MySQL command (MYSQLD). One
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