PostgreSQL

Moodle 2.x

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PostgreSQL es una de las dos bases de datos que es plenamente soportada por Moodle. Una base de datos es un componente requerido de cualquier instalación de Moodle.

Creando la Base de Datos para Moodle

These instructions assume that the database server and web server are on the same machine. If that is not the case you have some more work to do. See the PostgreSQL documentation for further details.

• Log into the PostgreSQL command line client. The exact form depends on how your PostgreSQL is configured but will be something like

   $ psql -U postgres
   Password for user postgres:

Enter the password for your 'postgres' user set during installation. After some preamble you should see the prompt postgres=#.

• Create the user for the Moodle database and assign a password:

   postgres=# CREATE USER moodleuser WITH PASSWORD 'yourpassword';

Provide a suitably strong password. Please note that the actual authentication method depends on your PostgreSQL server's pg_hba.conf file. Some authentication methods (like ident) do not require the password.

• Create the database:

   postgres=# CREATE DATABASE moodle WITH OWNER moodleuser;

Conjjunto de caracteres y colación (collation)

If the PostgreSQL server's default collation does not suit your needs, you can provide explicit LC_CTYPE (character classification) and LC_COLLATE (string sort order) setting for your Moodle database. The following example creates new database called 'moodle' optimised for a Czech Moodle site:

   postgres=# CREATE DATABASE moodle WITH OWNER moodleuser ENCODING 'UTF8' LC_COLLATE='cs_CZ.utf8' LC_CTYPE='cs_CZ.utf8' TEMPLATE=template0;

For more details refer to Character Set Support chapter in PostgreSQL manual.

To make sure the database was created correctly, use the \l at the psql console or execute psql -l shell command. You should get something like

   postgres=# \l
                                      List of databases
      Name    |  Owner     | Encoding |  Collation  |    Ctype    |   Access privileges   
   -----------+------------+----------+-------------+-------------+-----------------------
    moodle    | moodleuser | UTF8     | cs_CZ.utf8  | cs_CZ.utf8  | 
    postgres  | postgres   | UTF8     | en_US.UTF-8 | en_US.UTF-8 | 
    template0 | postgres   | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =c/postgres
                                                                  : postgres=CTc/postgres
    template1 | postgres   | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =c/postgres
                                                                  : postgres=CTc/postgres

Vea también

• PostgreSQL home page
• Tuning Your PostgreSQL Server
• Arguments in favour of PostgreSQL
• Using Moodle - Databases forum
• Wikipedia article on PostgerSQL
• Using Moodle Upgrading to 1.6 and may need to switch to PostgreSQL forum discussion