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laravel-tips/content/tips/you-can-create-db-indices-for-transformed-versions-of-columns.md
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2022-04-08T16:14:06+00:00 you-can-create-db-indices-for-transformed-versions-of-columns

⚡️ Database Tip

Most developers are puzzled that indexes are not used for e.g. WHERE LOWER(email) = ?. But contrary to common belief, an index can be created for these cases! It's called a function-based index and is supported by MySQL and PostgreSQL.

https://sqlfordevs.com/function-based-index