MySQL databases, it consists of tables, table is made up of columns (or fields) and rows (records). They are a spider net, complicated but well organised. This Note includes 4 most comment used command, it is all I need in operating database: Create and Delete Show All Databases Set Default Database Show Current Database 1 — Create and Delete mysql> Query OK, 1 row affected (0.03 sec) CREATE DATABASE southwind; mysql> Query OK, 0 rows affected (0.11 sec) DROP DATABASE southwind; mysql> Query OK, 1 row affected (0.01 sec) CREATE DATABASE IF NOT EXISTS southwind; mysql> Query OK, 0 rows affected (0.00 sec) DROP DATABASE IF EXISTS southwind; 2 — Show All Database mysql> SHOW DATABASES; 3 — Set Default Database mysql> USE southwind; 4— Show Current Database mysql> SELECT DATABASE(); You may also like MySQL Handbook [MySQL] Note: Fast Setup and running in Node.js [MySQL] Note: Create Admin User [MySQL] Note: Database CURD [MySQL] Note: Row CURD [MySQL] Note: Relation: 1–1, 1-n, n-n, nest Reference: https://www.cyberciti.biz/faq/mysql-list-databases/ https://www.ntu.edu.sg/home/ehchua/programming/sql/MySQL_Beginner.html
![featured image - [MySQL] Note: Database CURD](https://hackernoon.imgix.net/fallback-feat.png?auto=format&fit=max&w=2048)
![[MySQL] Note: Row CURD](https://hackernoon.imgix.net/fallback-feat.png?auto=format&fit=max&w=3840)
