Basic SQL commands to manage your databases: ➤ To list all the database, tables and objectives: SELECT * FROM sys.tables SELECT * FROM sys.databases SELECT * FROM sys.objects ➤ To create database: CREATE DATABASE Name_of_the_Database; ➤ To use the database we created: USE Name_of_the_Database; ➤ To create table: CREATE TABLE Name_of_the_Table (Name_of_the_FIRST_column data_specification Name_of_the_SECOND_column data_specification ... ); ➤ To insert data to a specific columns: INSERT INTO Table_Name (Column_Name_1, Column_Name_2) VALUES ("Value_1", Value_2); ➤ To update a data: UPDATE Table_Name SET Column_Name= New_Data WHERE Row_Number = Number_of_the_Row; ➤ To delete a data: DELETE FROM Table_Name WHERE Row_Number = Number_of_the_Row; ➤ To delete a database: DROP DATABASE Database_Name; If you take error messsage because of your database is not empty, you need to delete the tables inside first: ...