Subqueries in MySQL

Adil — Sat, 11 Dec 2010 11:25:36 +0000

MySQL has an interesting feature called subquery. It lets you to use SELECT statement within another query. Imagine you have two tables named countries and capitals you want select capital names and country names without join statement. The tables are …

Regular expressions in SQL queries

Adil — Mon, 14 Sep 2009 17:06:54 +0000

Regular expressions are useful for parsing string, matching patterns, validating etc. If we talk about strings so, I think it’s good idea using it in SQL queries. Let we have table users: mysql> SELECT * FROM users; +----+-----------+----------+----------------------+ | id …

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Subqueries in MySQL

Regular expressions in SQL queries