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一面 1. 簡短自我介紹 2. 事務的ACID,其中把事務的隔離性詳細解釋一遍 3. 髒讀、幻影讀、不可重複讀 4. 紅黑樹、二叉樹的算法 5. 平常用到哪些集合類?ArrayList和LinkedList區別?HashMap內部數據結構
ORDER BY id 爲何效率不高 背景 系統代碼中有以下查詢SQL,DBA要求優化; SELECT id, user_id, patient_id, his_id, bill_no, log_model FROM platfom_fee
搞了臺阿里雲服務器,準備學習下基於Docker容器的各種主流技術部署,那麼讓我們愉快的開始吧! Docker環境安裝 安裝yum-utils:yum install -y yum-utils device-mapper-pe