{"provider_url":"https://hatena.blog","width":"100%","categories":["AWS","Redshift"],"image_url":null,"description":"SVV_TABLE_INFO \u306e rows - estimated_visible_rows \u306e\u5dee\u304c\u5927\u304d\u3044\u3068\u3001VACUUM DELETE \u306e\u52b9\u679c\u304c\u898b\u8fbc\u3081\u308b\u3002 \u5217\u540d \u30c7\u30fc\u30bf\u578b \u8aac\u660e tbl_rows numeric(38,0) \u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5408\u8a08\u884c\u6570\u3002\u3053\u306e\u5024\u306b\u306f\u3001\u524a\u9664\u5bfe\u8c61\u3068\u3057\u3066\u30de\u30fc\u30af\u3055\u308c\u3001\u307e\u3060\u30d0\u30ad\u30e5\u30fc\u30e0\u51e6\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u5217\u304c\u542b\u307e\u308c\u307e\u3059\u3002 skew_rows numeric(19,2) \u6700\u3082\u591a\u304f\u306e\u884c\u3092\u542b\u3080\u30b9\u30e9\u30a4\u30b9\u306e\u884c\u6570\u3068\u3001\u6700\u3082\u5c11\u306a\u3044\u884c\u3092\u542b\u3080\u30b9\u30e9\u30a4\u30b9\u306e\u884c\u6570\u306e\u6bd4\u7387\u3002 SVV_TABLE_INFO - Amazon Redshift VACUUM DELETE \u306f\u3001\u76f4\u524d\u306e UPDATE \u64cd\u4f5c\u3068 DELETE\u2026","version":"1.0","title":"Amazon Redshift \u3067 VACUUM DELETE \u306e\u5fc5\u8981\u6027\u3092\u78ba\u8a8d\u3059\u308b","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohei-a.hatenablog.jp%2Fentry%2F20251206%2F1764984581\" title=\"Amazon Redshift \u3067 VACUUM DELETE \u306e\u5fc5\u8981\u6027\u3092\u78ba\u8a8d\u3059\u308b - ablog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","type":"rich","author_url":"https://blog.hatena.ne.jp/yohei-a/","author_name":"yohei-a","height":"190","blog_title":"ablog","blog_url":"https://yohei-a.hatenablog.jp/","published":"2025-12-06 10:29:41","url":"https://yohei-a.hatenablog.jp/entry/20251206/1764984581"}