Unverified50% confidenceSolutionExact time
跨平台 SQL 兼容通常通过抽象语法树（AST）转换实现，先将语义映射为方言无关的中间表示（IR），再由方言编译器翻译为目标数据库原生 SQL
1
Sources
50%
Confidence
Long-term
Relevance
7/23/2026
First Seen
Sources
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