Unverified50% confidenceFactExact time
SQL的JOIN操作假设主键是唯一且一致的，而现实中不同系统往往独立演化出各自的命名规范和数据标准，导致语义冲突
1
Sources
50%
Confidence
Long-term
Relevance
7/18/2026
First Seen
Sources
Related Claims
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