{"type":"rich","width":"100%","version":"1.0","provider_name":"Hatena Blog","blog_url":"https://bg1.hatenablog.com/","published":"2025-08-02 21:00:00","categories":["PostgreSQL"],"height":"190","title":"DOUBLE PRECISION","author_name":"BG1","description":"DOUBLE PRECISION\u306f\u3001\u500d\u7cbe\u5ea6\u6d6e\u52d5\u5c0f\u6570\u70b9\u306e\u5b9f\u6570\u578b\u3002https://www.postgresql.jp/docs/9.4/datatype-numeric.html#DATATYPE-FLOAT postgresdb1=# CREATE TABLE double_precision_table(name VARCHAR(32), number DOUBLE PRECISION); CREATE TABLE postgresdb1=# INSERT INTO double_precision_table VALUES('valid', 0.123456789012345); INSER\u2026","provider_url":"https://hatena.blog","url":"https://bg1.hatenablog.com/entry/2025/08/02/210000","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbg1.hatenablog.com%2Fentry%2F2025%2F08%2F02%2F210000\" title=\"DOUBLE PRECISION - \u8eca\u8f2a\u306ex\u767a\u660e ~B.G&#39;s Blog~\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u8eca\u8f2a\u306ex\u767a\u660e ~B.G's Blog~","author_url":"https://blog.hatena.ne.jp/BG1/","image_url":null}