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我有一张包含近 200,000,000 条记录的表。查询需要很长时间。
关于提高性能的任何想法?
考虑在该表中的 id 类型列上添加索引。
顺便说一句,这与 SAS EG 性能无关,而是与底层 BASE SAS 引擎有关。
除了索引之外,您还应该考虑:
compress=yes