Home of real teaching & learning
  • Full support for teachers
  • Focus on critical thinking
  • Engaging classroom activities
  • Integrated student eBook
  • Assessed tasks / qBank
  • Practice exam questions
Find out more Download brochure

The InThinking Guarantee: Our sites are written by expert practitioners and not by AI

See our AI policy

Disclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.

Don't miss out, find out!

A 3.3.3 Updating Data in Databases with SQL

SQL can modify databases via INSERT, UPDATE, and DELETE. Indexing impacts update speed and large changes may require index rebuilds. In this section we will explore how Structured Query Language (SQL) is used to modify the data stored within relational databases. Understanding how to update data is fundamental to interacting with and maintaining any dynamic database system. We will cover the three primary SQL...

Help