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postgresql的jsonb数据查询和修改的方法
由PostgreSQL文档定义的数据类型json和jsonb几乎相同;关键的区别在于json数据存储为JSON输入文本的精确副本,而jsonb以分解的二进制形式存储数据;也就是说,不是ASCII / UTF-8字符串,而是二进制代码。 本文主要讲的是如何随心所欲的查询和修改postgresql中jsonb格式的数据 ...
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