Uploaded July 2024 | Updated September 2026, 2 weeks ago

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#MongoDB #course #tutorial

00:00:00 export collection
00:00:43 MongoDB shell delete
00:00:53 .deleteOne()
00:01:32 .deleteMany()
00:01:59 $exists
00:02:56 import collection

db.students.deleteOne({name:"Larry"})
db.students.deleteMany({fullTime:false})
db.students.deleteMany({registerDate:{$exists:false}})