{"provider_name":"Hatena Blog","author_name":"xmldtp","published":"2015-09-02 16:19:57","url":"https://xmldtp.hatenadiary.org/entry/b803681e5820a044988f45149df5854b","type":"rich","description":"MySQL\u3067\u3001\u4f01\u696d\u30c6\u30fc\u30d6\u30eb\u306b\u4f01\u696d\u304c\u3059\u3067\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u305f\u3089\u3001 \u767b\u9332\u3057\u306a\u3044\u3068\u3044\u3046SQL\u3092\u66f8\u3053\u3046\u3068\u3057\u305f\u3068\u304d (\u4f01\u696d\u30c6\u30fc\u30d6\u30eb(kigyo)\u306e\u9805\u76ee\u306f\u3001\u4f01\u696dID(\u81ea\u52d5\u63a1\u756a\uff09\u3001\u4f01\u696d\u540d\u3001\u696d\u7a2e\u3001 \u82f1\u8a9e\u3067\u306f\u305d\u308c\u305e\u308ckigyo_id,kigyo_name,gyo\u306e\u3068\u304d\uff09 INSERT INTO kigyo(kigyo_name,gyo) VALUES('HP','tech') WHERE NOT EXISTS (SELECT * FROM kigyo WHERE kigyo_name = 'HP'); \u3068\u304b\u304f\u3068\u3001 ERROR 1064 (42000): You have an error in your SQL s\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fxmldtp.hatenadiary.org%2Fentry%2Fb803681e5820a044988f45149df5854b\" title=\"MySQL\u306e\u5b58\u5728\u3057\u306a\u3044\u3068\u304dINSERT,WHERE NOT EXISTS\u3067\u306f\u307e\u308b - \u30a6\u30a3\u30ea\u30a2\u30e0\u306e\u3044\u305f\u305a\u3089\u306e\u3001\u307e\u3061\u3042\u308b\u304d\u3001\u305f\u3079\u3042\u308b\u304d\u30fcPART2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","blog_url":"https://xmldtp.hatenadiary.org/","provider_url":"https://hatena.blog","version":"1.0","author_url":"https://blog.hatena.ne.jp/xmldtp/","categories":["Weblog"],"title":"MySQL\u306e\u5b58\u5728\u3057\u306a\u3044\u3068\u304dINSERT,WHERE NOT EXISTS\u3067\u306f\u307e\u308b","image_url":null,"height":"190","blog_title":"\u30a6\u30a3\u30ea\u30a2\u30e0\u306e\u3044\u305f\u305a\u3089\u306e\u3001\u307e\u3061\u3042\u308b\u304d\u3001\u305f\u3079\u3042\u308b\u304d\u30fcPART2"}