/media/sda-magnetic/david/Dok-15-2023-11-27/informatik/www-intel-compute-stick-2022-06-13/021/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 640
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 DATBASE test021
    -> ;
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 'DATBASE test021' at line 1
MariaDB [(none)]> CREATE DATABASE test021;
Query OK, 1 row affected (0.001 sec)

MariaDB [(none)]> USE test021
Database changed
MariaDB [test021]> CREATE TABLE abc (name1 VARCHAR (32), name2 VARCHAR (32));
Query OK, 0 rows affected (0.106 sec)

MariaDB [test021]> CREATE TABLE def (name3 VARCHAR (32), name4 VARCHAR (32));
Query OK, 0 rows affected (0.060 sec)

MariaDB [test021]> INSERT INTO abc VALUES ("001", "002");
Query OK, 1 row affected (0.032 sec)

MariaDB [test021]> INSERT INTO abc VALUES ("001", "001");
Query OK, 1 row affected (0.031 sec)

MariaDB [test021]> INSERT INTO abc (name2, name1) VALUES ("001", "002");
Query OK, 1 row affected (0.026 sec)

MariaDB [test021]> INSERT INTO abc (name1, name2) VALUES ("002", "002");
Query OK, 1 row affected (0.029 sec)

MariaDB [test021]> INSERT INTO def (name3, name4) VALUES ("abc", "def");
Query OK, 1 row affected (0.029 sec)

MariaDB [test021]> INSERT INTO def (name3, name4) VALUES ("abc", "abc");
Query OK, 1 row affected (0.029 sec)

MariaDB [test021]> INSERT INTO def (name3, name4) VALUES ("001", "001");
Query OK, 1 row affected (0.029 sec)

MariaDB [test021]> INSERT INTO def (name3, name4) VALUES ("002", "002");
Query OK, 1 row affected (0.029 sec)

MariaDB [test021]> SELECT * FROM abc;
+-------+-------+
| name1 | name2 |
+-------+-------+
| 001   | 002   |
| 001   | 001   |
| 002   | 001   |
| 002   | 002   |
+-------+-------+
4 rows in set (0.001 sec)

MariaDB [test021]> SELECT * FROM def;
+-------+-------+
| name3 | name4 |
+-------+-------+
| abc   | def   |
| abc   | abc   |
| 001   | 001   |
| 002   | 002   |
+-------+-------+
4 rows in set (0.001 sec)

MariaDB [test021]> SELECT * FROM abc JOIN def;
+-------+-------+-------+-------+
| name1 | name2 | name3 | name4 |
+-------+-------+-------+-------+
| 001   | 002   | abc   | def   |
| 001   | 001   | abc   | def   |
| 002   | 001   | abc   | def   |
| 002   | 002   | abc   | def   |
| 001   | 002   | abc   | abc   |
| 001   | 001   | abc   | abc   |
| 002   | 001   | abc   | abc   |
| 002   | 002   | abc   | abc   |
| 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   |
+-------+-------+-------+-------+
16 rows in set (0.001 sec)

MariaDB [test021]> SELECT * FROM abc INNER JOIN def WHERE abc.name1 = def.nam2;
ERROR 1054 (42S22): Unknown column 'def.nam2' in 'where clause'
MariaDB [test021]> 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 (0.027 sec)

MariaDB [test021]> QUIT
Bye
david@intel-compute-stick:~$