Unverified50% confidenceFactExact time
The ranking gap between PostgreSQL and the third-place SQL Server is continuously narrowing.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/10/2026
First Seen
Valid until: 10/24/2026
Sources
Related Entities
Related Claims
UnverifiedTraditional relational databases (such as MySQL and PostgreSQL) can experience performance bottlenecks in high-concurrency write scenarios due to locking mechanisms, write amplification, and primary-replica replication latency.66% similarUnverifiedIn scenarios involving multi-hop JOINs, nested subqueries, or highly business-specific field naming, NL2SQL accuracy drops significantly.66% similarUnverifiedPostgreSQL 14对ProcArray的访问模式进行了重构，降低了高并发下的快照获取开销64% similarUnverifiedPostgreSQL的锁机制在高并发场景下存在明显的扩展性瓶颈，不会随CPU核数或连接数线性扩展63% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/993345API
curl https://kongchang.com/api/v1/knowledge/claims/993345MCP
get_claim(id=993345)