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SQL腕試し問題を解いてみた 締め切り日が近いイベントの一覧

Last updated at Posted at 2019-09-28

#出題問題

https://qiita.com/jnchito/items/29e22cc5a73da29f65a3

SQL腕試し問題が出ていたので、解いてみました。

##僕の解答例
こんな感じで作ってみました。
https://github.com/kyotom/SQL/blob/master/gistfile4.sql

##ポイント

   --従業員毎の最新の開始日を出力する(ウィンドウ関数)
        , MAX(start_date) over (PARTITION BY employee_id) AS employee_latest_date
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