What is a Database Index? An Illustrated Guide to How It Speeds Up Searches"My SQL searches suddenly became slow as the data ...

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</p> <p>一句话定位：<b>比按键精灵能干得多，比 Python 上手快得多</b>——不需要学语法关键字，命令就是中文词，参数用括号包起来，一行一条，分号结尾。