The second is a columnar layout, which stores a single field in a contiguous, compact array. Columnar arrays are well known for accelerating analytical queries, but they are also a natural fit for Top K queries because they allow for cheap, cache-friendly lookups.
Выигравший Паралимпиаду российский лыжник поздравил со своей победой Путина14:50
。关于这个话题,新收录的资料提供了深入分析
~/Documents/file.txt) by expanding the tilde to the user's home,这一点在新收录的资料中也有详细论述
В Минтрансе раскрыли детали перевозки пассажиров с Ближнего Востока14:40。新收录的资料对此有专业解读