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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                普通查詢 ~~~ $db = Be::getDb(); $users = $db->getValue("SELECT COUNT(*) FROM user WHERE age<18 AND sex='女'"); ~~~ 占位符查詢 ~~~ $db = Be::getDb(); $user = $db->getValue('SELECT COUNT(*) FROM user WHERE age<? AND sex=?', [18, '女']); ~~~ 返回一個值 當查詢結果有多條時,僅取第一條記錄 當前詢結結有多列時,僅取第一列內容
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                              哎呀哎呀视频在线观看