{"categories":["sqlite3"],"blog_url":"https://takuya-1st.hatenablog.jp/","title":"SQLite3\u3067\u30c6\u30fc\u30d6\u30eb\u304c\u5b58\u5728\u3059\u308b\u304b\u8abf\u3079\u3066CREATE table if not exists","type":"rich","provider_name":"Hatena Blog","url":"https://takuya-1st.hatenablog.jp/entry/2023/07/11/191950","height":"190","provider_url":"https://hatena.blog","version":"1.0","author_name":"takuya_1st","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakuya-1st.hatenablog.jp%2Fentry%2F2023%2F07%2F11%2F191950\" title=\"SQLite3\u3067\u30c6\u30fc\u30d6\u30eb\u304c\u5b58\u5728\u3059\u308b\u304b\u8abf\u3079\u3066CREATE table if not exists - \u305d\u308c\u30de\u30b0\u3067\uff01\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/t/takuya_1st/20230711/20230711191637.png","blog_title":"\u305d\u308c\u30de\u30b0\u3067\uff01","author_url":"https://blog.hatena.ne.jp/takuya_1st/","description":"sqlite3\u3063\u3066 if exists \u5bfe\u5fdc\u3057\u3066\u305f \u5b58\u5728\u3059\u308b\u3068\u304d\u306b\u30c6\u30fc\u30d6\u30eb\u3092\u6d88\u3059 if exists \u3067\u30c6\u30fc\u30d6\u30eb\u304c\u3042\u308b\u3068\u304d\u306b\u3001\u6d88\u3057\u3066\u4f5c\u308a\u76f4\u305b\u308b DROP TABLE IF EXISTS TableName \u5b58\u5728\u3057\u306a\u3044\u3068\u304d\u306b\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u308b \u30c6\u30fc\u30d6\u30eb\u304c\u307e\u3060\u7121\u3044\u3068\u304d\u3060\u3051\u4f5c\u308b\u3002 CREATE TABLE if exists {table} (...) \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3082\u540c\u3058 \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3082\u540c\u3058\u304fif exists\u51e6\u7406\u304c\u3067\u304d\u308b\u3002 DROP INDEX if exists {name} CREATE INDEX if not exists {name} \u4fbf\u5229\u3067\u3059\u306d\u3002 sqlite3\u3067 if exists \u3092\u4f7f\u2026","published":"2023-07-11 19:19:50"}