Tag: mysql database
MySQL MyISAM database engine has been depreciated in the latest version since 5.5.1. The MyISAM is table locking while InnoDB (now the default database engine for MySQL since 5.5.1) …
In your web applications, sometimes you would need to send users tons of emails. You can send them real time when users e.g. press a send button. But this …
Puzzle is taken from https://oj.leetcode.com/problems/consecutive-numbers/ Write a SQL query to find all numbers that appear at least three times consecutively. +----+-----+ | Id | Num | +----+-----+ | 1 …
My first website steakovercooked.com started at 2006 (9 years ago). And at that time, I didn’t know much about the file encoding/charset and also, the UTF-8 was not so …
Suppose you have a wordpress blog and you want to send a email to say ‘thank you’ to all the people who left good comments (you approved them). You …
