[KongchangAI]
Unverified50% confidenceSolutionExact time

When the data types on both sides of a WHERE condition or JOIN do not match, implicit type conversion occurs, causing index invalidation and full table scans, degrading query complexity from O(log n) to O(n).

1
Sources
50%
Confidence
Long-term
Relevance
9/11/2026
First Seen

Sources

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curl https://kongchang.com/api/v1/knowledge/claims/900110
MCP
get_claim(id=900110)