SQL, how to update data
How to update data stored in a SQL database table
The data stored in a table can be updated using the UPDATE command:
UPDATE people SET age=2 WHERE name='Roger'It’s important to add the WHERE clause, otherwise this instruction:
UPDATE people SET age=2would update all rows in the table.
→ Download my free SQL Handbook!
THE VALLEY OF CODE
THE WEB DEVELOPER's MANUAL
You might be interested in those things I do:
- Learn to code in THE VALLEY OF CODE, your your web development manual
- Find a ton of Web Development projects to learn modern tech stacks in practice in THE VALLEY OF CODE PRO
- I wrote 16 books for beginner software developers, DOWNLOAD THEM NOW
- Every year I organize a hands-on cohort course coding BOOTCAMP to teach you how to build a complex, modern Web Application in practice (next edition February-March-April-May 2024)
- Learn how to start a solopreneur business on the Internet with SOLO LAB (next edition in 2024)
- Find me on X