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| == MySQL == | = Introduction = We use a custom tool called {{{dbtool}}} to handle many of the aspects of creating and deleting databases for MySQL and PostgreSQL. = MySQL = == Create an Account == |
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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: |
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| === 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}}}). |
{{{ dbtool mysql adduser }}} |
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| Delete a database with the following: {{{dbtool mysql dropdb DATABASE}}}. | You will be asked for a password. The user created will be the same as your log-in username. |
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| === 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. |
== Create a Database == {{{dbtool}}} is also used to create new MySQL databases. Replace DATABASE with your desired database name: |
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| === Accessing Databases === | {{{ 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 == 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 == |
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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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| == 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. |
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| = PostgreSQL = | |
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| === Creating and Deleting Databases === Additionally, {{{dbtool}}} is used to create new MySQL 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}}}. |
== Create an Account == To create a PostgreSQL user account, enter the following command on mire.hcoop.net: |
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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 adduser}}} |
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| === Accessing Databases === | 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. == Create a Database == 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 == 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 == |
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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.
Introduction
We use a custom tool called dbtool to handle many of the aspects of creating and deleting databases for MySQL and PostgreSQL.
MySQL
Create an Account
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.
Create a Database
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
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
Create an Account
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.
Create a Database
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
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].