Unverified50% confidenceFactExact time
关系型数据库以表-行-列结构组织数据通过SQL查询，非关系型数据库以JSON文档等形式存储数据，牺牲一致性换取Schema灵活性
1
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50%
Confidence
Long-term
Relevance
7/16/2026
First Seen
Sources
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