{"description":"\u74b0\u5883\u306fOracle10gXE\u3067\u3059\u3002 \u6570\u5024\u9805\u76ee\u304cNULL\u304b\u5224\u5b9a\u3057\u3001NULL\u3060\u3063\u305f\u5834\u5408\u306b\u300cNULL\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u306b\u7f6e\u304d\u63db\u3048\u3066\u51fa\u529b\u3057\u305f\u3044\u6642\u306b\u3001\u5358\u7d14\u306bNVL\u3092\u4f7f\u3046\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u4f8b\u3002 SQL> DECLARE 2 VNUM NUMBER; 3 BEGIN 4 DBMS_OUTPUT.PUT_LINE(NVL(VNUM, 'NULL')); 5 END; 6 / DECLARE * \u884c1\u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002: ORA-06502: PL/SQL: \u6570\u5024\u307e\u305f\u306f\u5024\u306e\u30a8\u30e9\u30fc: \u6587\u5b57\u304b\u3089\u6570\u5024\u3078\u306e\u5909\u63db\u30a8\u30e9\u30fc\u3002\u304c\u767a\u751f\u3057\u307e\u3057\u305f ORA-06512: \u884c4 \u3053\u308c\u306fNVL\u306b\u6e21\u3055\u308c\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u578b\u306e\u4e0d\u4e00\u81f4\u304c\u539f\u2026","published":"2010-03-07 00:00:00","image_url":null,"author_url":"https://blog.hatena.ne.jp/irof/","blog_title":"\u65e5\u3005\u5e38\u3005","blog_url":"https://irof.hateblo.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Firof.hateblo.jp%2Fentry%2F20100307%2Fp1\" title=\"NVL\u3067\u30a8\u30e9\u30fc\uff08ORA-06502: PL/SQL: \u6570\u5024\u307e\u305f\u306f\u5024\u306e\u30a8\u30e9\u30fc:\uff09\u304c\u767a\u751f\u3059\u308b - \u65e5\u3005\u5e38\u3005\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://irof.hateblo.jp/entry/20100307/p1","categories":["Oracle"],"title":"NVL\u3067\u30a8\u30e9\u30fc\uff08ORA-06502: PL/SQL: \u6570\u5024\u307e\u305f\u306f\u5024\u306e\u30a8\u30e9\u30fc:\uff09\u304c\u767a\u751f\u3059\u308b","height":"190","version":"1.0","type":"rich","width":"100%","author_name":"irof","provider_url":"https://hatena.blog","provider_name":"Hatena Blog"}