16.1 Creating, Altering, and Dropping Tables
To begin your journey in SQL, it is essential to understand the basic commands for database administration. Creating, altering, and dropping tables is a good place to start, as these fundamental commands will allow you to manage the structure of your data storage.
Creating a table involves defining the columns and data types. Once created, you can add records to the table. If you need to modify the table, you can use the ALTER command to add or remove columns, change data types, or modify constraints. Finally, if you need to delete a table, the DROP command will do the trick.
By understanding these fundamental SQL commands, you will be well on your way to managing your databases and ensuring that your data is stored in a way that is consistent and easy to access.
16.1.1 Creating Tables
Creating a table in SQL is done with the CREATE TABLE command. The general syntax is as follows:
Here is an example of creating a table:
In the above...