September 2017
Intermediate to advanced
240 pages
5h 57m
English
Content preview from Learn More Python 3 the Hard Way: The Next Step for New Python ProgrammersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Exercise 39. Creating with SQL
When we talk about the acronym CRUD, the “C” stands for “create,” and it doesn’t just mean creating tables. It also means inserting data into the tables and using tables and inserts to link tables. Since we need some tables and some data to do the rest of CRUD (read, update, and delete) we’ll start with learning how to do the most basic creation operations in SQL.
Creating Tables
In the introduction in Exercise 38, I said that you can do CRUD operations to the data inside tables. How do you make the tables in the first place? By doing CRUD on the database schema, and the first SQL statement to learn is CREATE:
ex1.sql
1 CREATE TABLE person ( 2 id INTEGER PRIMARY KEY, 3 first_name ...
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