/media/sda-magnetic/david/Dok-15-2023-11-27/informatik/www-intel-compute-stick-2022-06-13/023/output01.txt

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 806
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 test023;
Query OK, 1 row affected (0.001 sec)

MariaDB [(none)]> USE test023;
Database changed
MariaDB [test023]> CREATE TABLE abc (name1 VARCHAR(32), name2 VARCHAR (32))
    -> ;
Query OK, 0 rows affected (0.073 sec)

MariaDB [test023]> CREATE TABLE def (name3 VARCHAR (32), name4 VARCHAR (32));
Query OK, 0 rows affected (0.064 sec)

MariaDB [test023]> INSERT INTO abc (name1, name2) VALUES ("001", "002");
Query OK, 1 row affected (0.032 sec)

MariaDB [test023]> INSERT INTO abc VALUES ("001", "001");
Query OK, 1 row affected (0.028 sec)

MariaDB [test023]> INSERT INTO abc VALUES ("002", "001");
Query OK, 1 row affected (0.028 sec)

MariaDB [test023]> INSERT INTO abc (name2, name1) VALUES ("002", "002");
Query OK, 1 row affected (0.031 sec)

MariaDB [test023]> INSERT INTO def VALUES ("001", "001");
Query OK, 1 row affected (0.031 sec)

MariaDB [test023]> INSERT INTO def VALUES ("002", "002");
Query OK, 1 row affected (0.031 sec)

MariaDB [test023]> INSERT INTO def (name1, name2) VALUES ("abc", "def");
ERROR 1054 (42S22): Unknown column 'name1' in 'field list'
MariaDB [test023]> INSERT INTO def (name3, name4) VALUES ("abc", "def");  
Query OK, 1 row affected (0.030 sec)

MariaDB [test023]> INSERT INTO def (name4, name3) VALUES ("abc", "def");
Query OK, 1 row affected (0.030 sec)

MariaDB [test023]> SELECT * FROM abc;
+-------+-------+
| name1 | name2 |
+-------+-------+
| 001   | 002   |
| 001   | 001   |
| 002   | 001   |
| 002   | 002   |
+-------+-------+
4 rows in set (0.001 sec)

MariaDB [test023]> SELECT * FROM def;
+-------+-------+
| name3 | name4 |
+-------+-------+
| 001   | 001   |
| 002   | 002   |
| abc   | def   |
| def   | abc   |
+-------+-------+
4 rows in set (0.029 sec)

MariaDB [test023]> SELECT * FROM abc JOIN def;
+-------+-------+-------+-------+
| name1 | name2 | name3 | name4 |
+-------+-------+-------+-------+
| 001   | 002   | 001   | 001   |
| 001   | 001   | 001   | 001   |
| 002   | 001   | 001   | 001   |
| 002   | 002   | 001   | 001   |
| 001   | 002   | 002   | 002   |
| 001   | 001   | 002   | 002   |
| 002   | 001   | 002   | 002   |
| 002   | 002   | 002   | 002   |
| 001   | 002   | abc   | def   |
| 001   | 001   | abc   | def   |
| 002   | 001   | abc   | def   |
| 002   | 002   | abc   | def   |
| 001   | 002   | def   | abc   |
| 001   | 001   | def   | abc   |
| 002   | 001   | def   | abc   |
| 002   | 002   | def   | abc   |
+-------+-------+-------+-------+
16 rows in set (0.028 sec)

MariaDB [test023]> SELECT * FROM abc INNER JOIN def WHERE abc.name1 = def.name3;
+-------+-------+-------+-------+
| name1 | name2 | name3 | name4 |
+-------+-------+-------+-------+
| 001   | 002   | 001   | 001   |
| 001   | 001   | 001   | 001   |
| 002   | 001   | 002   | 002   |
| 002   | 002   | 002   | 002   |
+-------+-------+-------+-------+
4 rows in set (0.025 sec)

MariaDB [test023]> SELECT * FROM abc INNER JON def WHERE abc.name2 = def.name4;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'JON def WHERE abc.name2 = def.name4' at line 1
MariaDB [test023]> SELECT * FROM abc INNER JOIN def WHERE abc.name2 = def.name4;
+-------+-------+-------+-------+
| name1 | name2 | name3 | name4 |
+-------+-------+-------+-------+
| 001   | 001   | 001   | 001   |
| 002   | 001   | 001   | 001   |
| 001   | 002   | 002   | 002   |
| 002   | 002   | 002   | 002   |
+-------+-------+-------+-------+
4 rows in set (0.030 sec)

MariaDB [test023]> SELECT * FROM abc RIGHT JOIN def ON abc.name1 = def.name3;
+-------+-------+-------+-------+
| name1 | name2 | name3 | name4 |
+-------+-------+-------+-------+
| 001   | 002   | 001   | 001   |
| 001   | 001   | 001   | 001   |
| 002   | 001   | 002   | 002   |
| 002   | 002   | 002   | 002   |
| NULL  | NULL  | abc   | def   |
| NULL  | NULL  | def   | abc   |
+-------+-------+-------+-------+
6 rows in set (0.028 sec)

MariaDB [test023]> quit
Bye
david@intel-compute-stick:~$