Database terms

2 terms of 1444 total

🗄️ Where your data lives, breathes, and occasionally panics

Almost every application is, at its core, a system for reading and writing data. This category covers relational and non-relational databases, query optimisation, indexing strategies, transactions, normalisation, replication, and the CAP theorem trade-offs that dictate how distributed data behaves. Choosing and using the right database correctly is one of the highest-leverage skills in backend development.

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N+1 Query Problem PHP 5.1+

A performance anti-pattern where fetching N records triggers N additional queries — one per record — instead of a single JOIN.

1mo ago database intermediate

N+1 Queries — Detection & Fix PHP 5.0+

Issuing one query per row of a result set instead of a single JOIN — the most common database performance mistake in any ORM-based application.

2mo ago database intermediate