MariaDB

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MariaDB is one of the most popular community-developed relational database management systems published under the GNU GPL. MariaDB born as a MySQL fork from former developers after Oracle acquisition.

Readings[edit]

  1. Wikibooks: MariaDB

Multimedia[edit]

Activities[edit]

  1. Perform the following tasks:[1]
    • Install MariaDB. For example in MacOS: brew install mariadb
    • Start and configure MariaDB.
    • Backup and restore a database
    • Create a simple database schema
    • Perform simple SQL queries against a database
    • Create a basic table

Install and start MariaDB in MacOS[edit]

  • brew install mariadb
  • Start MariaDB:
/usr/local/bin/mysql.server start (command is mysql but you are actually starting MariaDB)
Starting MariaDB
.180619 10:15:19 mysqld_safe Logging to '/usr/local/var/mysql/file.err'.
180619 10:15:19 mysqld_safe Starting mysqld daemon with databases from /usr/local/var/mysql
 SUCCESS! 
  • Check MariaDB is running: /usr/local/bin/mysql.server status
 SUCCESS! MariaDB running (80662)

Create a table: CREATE TABLE[edit]

  • Connect to database test, will be created in default MariaDB installation:
mysql test
  • Create a basic table with two columns using the create table [2][3] SQL statement:
create table my_first_table (my_first_column char, my_second_column char);
  • Show tables so we can check our new created table is available:
MariaDB [test]> describe my_first_table;
+------------------+
| Tables_in_test   |
+------------------+
| my_first_table   |
+------------------+
  • Show details about your new table:
MariaDB [test]> describe my_first_table;
+------------------+---------+------+-----+---------+-------+
| Field            | Type    | Null | Key | Default | Extra |
+------------------+---------+------+-----+---------+-------+
| my_first_column  | char(1) | YES  |     | NULL    |       |
| my_second_column | char(1) | YES  |     | NULL    |       |
+------------------+---------+------+-----+---------+-------+
2 rows in set (0.003 sec)
  1. Show privileges: MariaDB [(none)]> show grants;
  2. Allow remote root access: GRANT ALL PRIVILEGES on *.* to 'root'@'%' IDENTIFIED BY 'YOUR_PASSWORD';

Advanced Features[edit]

See also[edit]

References[edit]