Abstract:We have created an automatic pretranslator prototype and proposing a new approach to improve the automatic pretranslator efficiency by parsing the original SQL (Structured Query Language) query and building a regular tree. The new approach is to create custom handlers for specific SQL constructs. The resulting handlers, instead of omitting some SQL constructs at the sorting and aggregation stage, allow them to be processed at the join stage. Joining operations, in contrast to sorting and aggregation operations… Show more
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