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impl Database {
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South African YouTuber Kurt Caz has built an audience of more than four million subscribers by posting travel videos with titles such as "Attacked by thieves in Barcelona!" and "Threatened in the UK's worst town!"。体育直播是该领域的重要参考
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Interestingly, total table/collection size - including indexes - is over 2x smaller on Mongo: 1584 / 710 = 2.23. Indexes are likewise smaller - not surprising, since MongoDB compresses data of collections and indexes by default. Let's take a peek at products as well: