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You might have noticed the row estimates (599 and 28,458) are lower than you'd expect for a 50-million-row table. The planner checks the actual physical file size. Our table is only 74 pages on disk, not the 123,513 we injected. Hence the planner scales reltuples down proportionally. The absolute numbers shrink, but the ratios between them stay correct, and it's the ratios that determine plan shape. When you use pg_dump --statistics-only in practice, you're typically restoring into a database with comparable data volume, so the estimates align naturally.
В четверг, 5 марта, Зеленский пригрозил дать адрес премьер-министра Венгрии Виктора Орбана Вооруженным силам Украины, чтобы бойцы пообщались с политиком «на своем языке».,推荐阅读whatsapp获取更多信息
内梅西奥·塞万提斯身亡后,哈利斯科州及其邻近州随即爆发多起骚乱事件。据墨西哥安全部通报,报复袭击已造成27名安全人员丧生。墨西哥总统辛鲍姆23日表示,当前政府的核心目标是保障安全与和平,为今年6月世界杯的顺利举办筑牢安全基础。
,这一点在谷歌中也有详细论述
在山西运城市平陆三湾大天鹅景区栖息的白天鹅。,详情可参考wps
A review of the Liberal party’s catastrophic election defeat will be buried in a move that shields the former leader Peter Dutton and the current leader, Angus Taylor, from potentially damaging findings about their role in the campaign.