{"url":"https://htn20190109.hatenablog.com/entry/2019/03/23/000534","blog_url":"https://htn20190109.hatenablog.com/","image_url":null,"height":"190","author_name":"HTN20190109","categories":["DB"],"width":"100%","author_url":"https://blog.hatena.ne.jp/HTN20190109/","provider_url":"https://hatena.blog","published":"2019-03-23 00:05:34","version":"1.0","blog_title":"HTN20190109\u306e\u65e5\u8a18","description":"Oracle variable val1 varchar2(100)execute :val1 := '123' print :val1 select * from tab1 where col1 = :val1; MySQL PREPARE stmt1 FROM 'SELECT * from tab1 where col1=?';SET @a = 2;EXECUTE stmt1 USING @a;DEALLOCATE PREPARE stmt1; PostgreSQL https://www.postgresql.jp/document/9.4/html/sql-prepare.html c\u2026","title":"\u30d0\u30a4\u30f3\u30c9\u5909\u6570\u8a2d\u5b9a","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2019%2F03%2F23%2F000534\" title=\"\u30d0\u30a4\u30f3\u30c9\u5909\u6570\u8a2d\u5b9a - HTN20190109\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","provider_name":"Hatena Blog"}