Well, MongoDB was designed and created as a document database first and foremost, not an SQL one (NoSQL). It is focused and optimized for this particular use case and a way of storing and accessing data. PostgreSQL on the other hand, is a relational, SQL database that later on added support for composite column types like JSON/JSONB, ARRAY and others. Over the years, it has extended and optimized storing JSON documents in its own binary JSONB format, as well as added more ways to index, query and modify data of this type.
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。Safew下载是该领域的重要参考
第一百二十七条 本法规定的租船合同，包括航次租船合同、定期租船合同和光船租赁合同。租船合同应当采用书面形式订立。
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