david@intel-compute-stick:~$ mysql -u root -p
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 852
Server version: 10.5.12-MariaDB-0+deb11u1 Debian 11
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]> CREATE DATABASE test016;
Query OK, 1 row affected (0.027 sec)
MariaDB [(none)]> USE test016;
Database changed
MariaDB [test016]> CREATE TABLE abc (abc01 VARCHAR (32), abc02 VARCHAR (32));
Query OK, 0 rows affected (0.106 sec)
MariaDB [test016]> CREATE TABLE def (def01 VARCHAR (32), def02 VARCHAR (32));
Query OK, 0 rows affected (0.070 sec)
MariaDB [test016]> INSERT INTO abc VALUES ("001", "001");
Query OK, 1 row affected (0.038 sec)
MariaDB [test016]> INSERT INTO abc VALUES ("001", "002");
Query OK, 1 row affected (0.033 sec)
MariaDB [test016]> INSERT INTO abc VALUES ("002", "001");
Query OK, 1 row affected (0.031 sec)
MariaDB [test016]> INSERT INTO abc VALUES ("002", "002");
Query OK, 1 row affected (0.028 sec)
MariaDB [test016]> INSERT INTO def (def01, def02) VALUES ("001", "002");
Query OK, 1 row affected (0.034 sec)
MariaDB [test016]> INSERT INTO def (def02, def01) VALUES ("001", "002");
Query OK, 1 row affected (0.030 sec)
MariaDB [test016]> INSERT INTO def (def02, def01) VALUES ("002", "001");
Query OK, 1 row affected (0.034 sec)
MariaDB [test016]> SELECT * FROM abc;
+-------+-------+
| abc01 | abc02 |
+-------+-------+
| 001 | 001 |
| 001 | 002 |
| 002 | 001 |
| 002 | 002 |
+-------+-------+
4 rows in set (0.001 sec)
MariaDB [test016]> SELECT * FROM def;
+-------+-------+
| def01 | def02 |
+-------+-------+
| 001 | 002 |
| 002 | 001 |
| 001 | 002 |
+-------+-------+
3 rows in set (0.001 sec)
MariaDB [test016]> SELECT * FROM abc JOIN def;
+-------+-------+-------+-------+
| abc01 | abc02 | def01 | def02 |
+-------+-------+-------+-------+
| 001 | 001 | 001 | 002 |
| 001 | 001 | 002 | 001 |
| 001 | 001 | 001 | 002 |
| 001 | 002 | 001 | 002 |
| 001 | 002 | 002 | 001 |
| 001 | 002 | 001 | 002 |
| 002 | 001 | 001 | 002 |
| 002 | 001 | 002 | 001 |
| 002 | 001 | 001 | 002 |
| 002 | 002 | 001 | 002 |
| 002 | 002 | 002 | 001 |
| 002 | 002 | 001 | 002 |
+-------+-------+-------+-------+
12 rows in set (0.002 sec)
MariaDB [test016]> SELECT * FROM abc INNER JOIN def WHERE abc.abc01 = def.def01;
+-------+-------+-------+-------+
| abc01 | abc02 | def01 | def02 |
+-------+-------+-------+-------+
| 001 | 001 | 001 | 002 |
| 001 | 001 | 001 | 002 |
| 001 | 002 | 001 | 002 |
| 001 | 002 | 001 | 002 |
| 002 | 001 | 002 | 001 |
| 002 | 002 | 002 | 001 |
+-------+-------+-------+-------+
6 rows in set (0.002 sec)
MariaDB [test016]> QUIT
Bye
david@intel-compute-stick:~$