How would you write a SQL query to get the size of blob in a more human readable form? The example would be something like a large word document is being stored in a blob on a table. I would want to execute something like:How would you write a SQL query to get the size
阅读背景：
使用SQL返回存储在oracle blob列中的文件的可读“文件大小”的优雅方法是什么？
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