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Your AI Is Only as Good as Your OLTP Layer

Cui Xu
Cui Xu
Published on April 8, 2026
10 minute read
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Key Takeaways
  • Production AI fails not because of bad models, but because of bad data — stale reads, inconsistent transactions, and unpredictable latency are OLTP problems, not model problems.
  • OceanBase 4.4.2 LTS strengthens the transactional core (HA, security, compatibility, performance) and adds native vector search and full-text search, so the retrieve → reason → write-back loop runs inside a single database.
  • Two production deployments show the pattern: Oracle-to-OceanBase migration with real-time fraud detection, and a government RAG-powered Q&A system — both with full audit traceability.
    • AITransactionsDatabases Big DataSystem Availability
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