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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UPSERT PHP 5.0+

An atomic INSERT-or-UPDATE operation — inserts the row if it does not exist, updates it if it does — eliminating the race condition of a separate check-then-insert.

2mo ago database intermediate

UUID vs ULID vs Auto-Increment PHP 7.0+

Primary key strategies: auto-increment is simple and fast, UUID v4 is globally unique but random (poor index performance), UUID v7 and ULID are sortable globally unique IDs.

2mo ago database intermediate