Generated Columns is a feature released on MySQL 5.7. They can be used during
CREATE TABLE or
ALTER TABLE statements.
It is a way of storing data without actually sending it through
UPDATE clauses in SQL.
The database resolves what the data will be.
There are two types of Generated Columns: Virtual and Stored. They work with:
- mathematical expressions (
- built-in functions (
- literals (“2”, “new”, 0)
Besides that, they can be indexed but they don’t allow …[Read more]