Want to talk to the little brother to ask mongo query statement, the question has stumped me one day-CodePudding

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Want to talk to the little brother to ask mongo query statement, the question has stumped me one day

Time：10-13

Want to how to ask the following SQL statements into mongo ah, a day also didn't find on the Internet can solve

 select count (*) from A left join B where B.n ame like '% XXX %