in RDBMS data is stored in multiple tables each table can have a set of rows and colums
- tables related to their DB can have relations
SQL command
- ddl: create , drop, alter, trunicate
- dml: insert, update, delete, merge
- dcl: grant, revoke
- tcl: commit, rollback, savepoint
- dql: select
data types varchar, int, date, float, boolean
step 1: CREATE TABLE student ();
This API allows you to perform CRUD operations (Create, Read, Update, Delete) on user records stored in a MariaDB database.
project link User REST API
sudo systemctl enable mariadb
sudo systemctl start mariadb
sudo systemctl status mariadb
sudo systemctl stop mariadb
mysql -u root -p
show databases;
sudo service postgresql restart
sudo service postgresql start
sudo service postgresql stop
sudo -u postgres psql
-- List all databases via \l (or \list), or \l+ for more details
postgres=# \l