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| Run the following command: {{{dbtool mysql adduser}}}. You will be asked for a password. The user created will be the same as your log-in username. | Run the following command: {{{ dbtool mysql adduser }}} You will be asked for a password. The user created will be the same as your log-in username. |
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| {{{dbtool}}} is also used to create new MySQL databases. Replace DATABASE with your desired database name: {{{dbtool mysql createdb DATABASE}}}. The database created will be USER_DATABASE (where USER is your username and DATABASE is the name you provided {{{dbtool}}}). | {{{dbtool}}} is also used to create new MySQL databases. Replace DATABASE with your desired database name: {{{ dbtool mysql createdb DATABASE }}} The database created will be USER_DATABASE (where USER is your username and DATABASE is the name you provided {{{dbtool}}}). |
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| If you need to change your MySQL password for security purposes or you have forgotten it, you may do so with this command: {{{dbtool mysql passwd}}}. You will be prompted to input a new password. | If you need to change your MySQL password for security purposes or you have forgotten it, you may do so with this command: {{{ dbtool mysql passwd }}} You will be prompted to input a new password. |
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| In addition, you can easily use the {{{mysql}}} shell to manipulate or analyze your databases: {{{ mysql -p -h mysql USER_DATABASE }}}. For security reasons, you cannot drop a database using the {{{mysql}}} shell. | In addition, you can easily use the {{{mysql}}} shell to manipulate or analyze your databases: {{{ mysql -p -h mysql USER_DATABASE }}} For security reasons, you cannot drop a database using the {{{mysql}}} shell. |
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| To create a PostgreSQL user account, enter the following command on mire.hcoop.net: {{{dbtool postgres adduser}}}. You will not be prompted for a password since PostgreSQL utilizes a security model that is quite different from MySQL. The user created will be the same as your log-in username. | To create a PostgreSQL user account, enter the following command on mire.hcoop.net: {{{dbtool postgres adduser}}} You will not be prompted for a password since PostgreSQL utilizes a security model that is quite different from MySQL. The user created will be the same as your log-in username. |
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| Additionally, {{{dbtool}}} is used to create new Postgres databases. Replace DATABASE with your desired database name: {{{dbtool postgres createdb DATABASE}}}. The database created will be called USER_DATABASE (where USER is your username and DATABASE is the name you provided {{{dbtool}}}). | Additionally, {{{dbtool}}} is used to create new Postgres databases. Replace DATABASE with your desired database name: |
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| Delete a database with the following command: {{{dbtool postgres dropdb DATABASE}}}. For security reasons, you cannot drop a database using the {{{psql}}} shell. | {{{ dbtool postgres createdb DATABASE }}} The database created will be called USER_DATABASE (where USER is your username and DATABASE is the name you provided {{{dbtool}}}). Delete a database with the following command: {{{ dbtool postgres dropdb DATABASE }}} For security reasons, you cannot drop a database using the {{{psql}}} shell. |
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| It is very easy to access your database using a PostgreSQL shell: {{{psql -h postgres USER_DATABASE}}}. | It is very easy to access your database using a PostgreSQL shell: {{{ psql -h postgres USER_DATABASE }}} |
This is the chapter of the MemberManual that describes how to use PostgreSQL and MySQL databases on HCoop servers.
MySQL
Creating a MySQL user account is an easy task with dbtool. It is available for use when you login to mire.hcoop.net.
Run the following command:
dbtool mysql adduser
You will be asked for a password. The user created will be the same as your log-in username.
Creating and Deleting Databases
dbtool is also used to create new MySQL databases. Replace DATABASE with your desired database name:
dbtool mysql createdb DATABASE
The database created will be USER_DATABASE (where USER is your username and DATABASE is the name you provided dbtool).
Delete a database with the following: dbtool mysql dropdb DATABASE.
Changing Your Password
If you need to change your MySQL password for security purposes or you have forgotten it, you may do so with this command:
dbtool mysql passwd
You will be prompted to input a new password.
Accessing Databases
For web applications, set the MySQL host/server to mysql. Default ports apply. Use your HCoop username. Your password will be required. Please safeguard it. Remember that your database is really named USER_DATABASE, where DATABASE is the name you originally gave dbtool. Follow your software package's instructions.
In addition, you can easily use the mysql shell to manipulate or analyze your databases:
mysql -p -h mysql USER_DATABASE
For security reasons, you cannot drop a database using the mysql shell.
To learn more about the MySQL shell, review the [http://dev.mysql.com/doc/refman/5.0/en/ MySQL manual].
PostgreSQL
To create a PostgreSQL user account, enter the following command on mire.hcoop.net:
dbtool postgres adduser
You will not be prompted for a password since PostgreSQL utilizes a security model that is quite different from MySQL. The user created will be the same as your log-in username.
Creating and Deleting Databases
Additionally, dbtool is used to create new Postgres databases. Replace DATABASE with your desired database name:
dbtool postgres createdb DATABASE
The database created will be called USER_DATABASE (where USER is your username and DATABASE is the name you provided dbtool).
Delete a database with the following command:
dbtool postgres dropdb DATABASE
For security reasons, you cannot drop a database using the psql shell.
Accessing Databases
For web applications, set the PostgreSQL host/server to postgres. Default ports apply. Use your HCoop username. A password is not required. Remember that your database is really named USER_DATABASE, where DATABASE is the name you originally gave dbtool. Follow your software package's instructions.
It is very easy to access your database using a PostgreSQL shell:
psql -h postgres USER_DATABASE
To learn more about the psql shell, take a look at the [http://www.postgresql.org/docs/8.1/interactive/index.html PostgreSQL manual].