エントリーの編集

エントリーの編集は全ユーザーに共通の機能です。
必ずガイドラインを一読の上ご利用ください。

- バナー広告なし
- ミュート機能あり
- ダークモード搭載
関連記事
MySQL :: MySQL 8.4 Reference Manual :: 5.3.4.5 Date Calculations
MySQL provides several functions that you can use to perform calculations on dates, for example, ... MySQL provides several functions that you can use to perform calculations on dates, for example, to calculate ages or extract parts of dates. To determine how many years old each of your pets is, use the TIMESTAMPDIFF() function. Its arguments are the unit in which you want the result expressed, and the two dates for which to take the difference. The following query shows, for each pet, the birth
2009/08/20 リンク