https://martechfarm.com/2026/04/04/09%e2%94%82%e3%82%af%e3%83%bc%e3%83%9d%e3%83%b3%e3%83%bb%e5%89%b2%e5%bc%95%e3%81%ae%e5%8a%b9%e6%9e%9c%e3%82%92%e6%ad%a3%e3%81%97%e3%81%8f%e6%b8%ac%e3%82%8b%e3%82%af%e3%82%a8%e3%83%aa/ 2026-04-04T07:52:50Z MarTech Farm ja #09│クーポン・割引の効果を正しく測るクエリ 2026-04-04T07:48:08Z Blog https://martechfarm.com/2026/04/04/08%e2%94%82%e3%83%a1%e3%83%ab%e3%83%9e%e3%82%ac%e9%85%8d%e4%bf%a1%e2%86%92%e8%b3%bc%e8%b2%b7%e8%bb%a2%e6%8f%9b%e7%8e%87%e3%82%92sql%e3%81%a7%e8%a8%88%e6%b8%ac%e3%81%99%e3%82%8b/ 2026-04-04T07:26:24Z MarTech Farm ja #08│メルマガ配信→購買転換率をSQLで計測する 2026-04-04T07:26:24Z Blog https://martechfarm.com/2026/04/04/07%e2%94%82%e5%89%8d%e5%b9%b4%e5%90%8c%e6%9c%88%e6%af%94%e3%83%bb%e5%89%8d%e6%9c%88%e6%af%94%e3%82%92%e5%90%8c%e4%b8%80%e3%82%af%e3%82%a8%e3%83%aa%e3%81%a7%e4%b8%a6%e3%81%b9%e3%82%8b/ 2026-04-04T01:08:56Z MarTech Farm ja #07│前年同月比・前月比を同一クエリで並べる 2026-04-04T01:08:56Z Blog https://martechfarm.com/2026/04/04/06%e2%94%82%e3%80%8c%e4%b8%80%e7%b7%92%e3%81%ab%e8%b2%b7%e3%82%8f%e3%82%8c%e3%82%8b%e5%95%86%e5%93%81%e3%80%8d%e3%82%92sql%e3%81%a7%e6%8e%a2%e3%81%99/ 2026-04-04T01:04:34Z MarTech Farm ja #06│「一緒に買われる商品」をSQLで探す 2026-04-04T01:04:34Z Blog https://martechfarm.com/2026/04/04/05%e2%94%82%e5%95%86%e5%93%81abc%e5%88%86%e6%9e%90-%e5%a3%b2%e4%b8%8a%e4%b8%8a%e4%bd%8d80%e3%82%92%e4%b8%80%e7%99%ba%e3%81%a7%e5%87%ba%e3%81%99/ 2026-04-04T01:00:06Z MarTech Farm ja #05│商品ABC分析 売上上位80%を一発で出す 2026-04-04T01:00:06Z Blog https://martechfarm.com/2026/04/04/%e3%82%b3%e3%83%9b%e3%83%bc%e3%83%88%e5%88%a5%e3%83%aa%e3%83%86%e3%83%b3%e3%82%b7%e3%83%a7%e3%83%b3%e7%8e%87%e3%82%92%e6%9c%88%e6%ac%a1%e3%81%a7%e8%bf%bd%e3%81%86/ 2026-04-04T00:55:30Z MarTech Farm ja #04│コホート別リテンション率を月次で追う 2026-04-04T00:54:48Z Blog https://martechfarm.com/2026/04/04/03%e2%94%82%e6%96%b0%e8%a6%8f%e3%83%bb%e5%be%a9%e6%b4%bb%e3%83%bb%e6%97%a2%e5%ad%98%e3%83%bb%e4%bc%91%e7%9c%a0%e3%82%92%e6%af%8e%e6%9c%88%e8%87%aa%e5%8b%95%e3%83%95%e3%83%a9%e3%82%b0%e7%ab%8b/ 2026-04-04T00:47:54Z MarTech Farm ja #03│新規・復活・既存・休眠を毎月自動フラグ立てする 2026-04-04T00:43:59Z Blog https://martechfarm.com/2026/04/04/02%e2%94%82ltv%ef%bc%88%e9%a1%a7%e5%ae%a2%e7%94%9f%e6%b6%af%e4%be%a1%e5%80%a4%ef%bc%89%e3%82%92%e6%ad%a3%e7%a2%ba%e3%81%ab%e8%a8%88%e7%ae%97%e3%81%99%e3%82%8b%e3%82%af%e3%82%a8%e3%83%aa/ 2026-04-04T00:35:32Z MarTech Farm ja #02│LTV（顧客生涯価値）を正確に計算するクエリ 2026-04-04T00:35:24Z Blog https://martechfarm.com/2026/04/04/rfm%e5%88%86%e6%9e%90%e3%82%92sql%e3%81%a0%e3%81%91%e3%81%a7%e5%ae%8c%e7%b5%90%e3%81%95%e3%81%9b%e3%82%8b/ 2026-04-04T00:46:44Z MarTech Farm ja #01│RFM分析をSQLだけで完結させる 2026-04-04T00:29:15Z Blog https://martechfarm.com/sql%e9%81%93%e5%a0%b4/%e5%ae%9f%e8%b7%b5%e3%81%ae%e9%96%93/ 2026-04-04T01:12:56Z MarTech Farm ja 実践の間 2026-04-04T00:11:38Z Blog https://martechfarm.com/sql%e9%81%93%e5%a0%b4/ 2026-04-04T01:11:37Z MarTech Farm ja SQL道場 2026-04-04T00:10:08Z Blog https://martechfarm.com/2026/04/02/ps4%e3%82%b3%e3%83%b3%e3%83%88%e3%83%ad%e3%83%bc%e3%83%a9%e3%83%bc%e3%81%ae%e5%85%85%e9%9b%bb%e5%8f%af%e8%83%bd%e7%ab%af%e5%ad%90/ 2026-04-02T00:15:07Z MarTech Farm ja PS4コントローラーの充電可能端子 2026-04-02T00:11:59Z Blog https://martechfarm.com/%e5%82%99%e5%bf%98%e9%8c%b2/ 2026-04-02T00:03:26Z MarTech Farm ja 備忘録 2026-04-02T00:03:26Z Blog https://martechfarm.com/2026/04/02/%e3%82%b8%e3%83%a3%e3%83%bc%e3%83%8b%e3%83%bc%e3%81%8c%e6%9b%b4%e6%96%b0%e3%81%95%e3%82%8c%e3%81%aa%e3%81%84/ 2026-04-01T23:52:02Z MarTech Farm ja ジャーニーが更新されない 2026-04-01T23:52:02Z Blog