#MongoDB #course #tutorial
db.students.find({name:{$ne:"Spongebob"}})
db.students.find({age:{$lt:20}})
db.students.find({age:{$lte:27}})
db.students.find({age:{$gt:27}})
db.students.find({age:{$gte:27}})
db.students.find({gpa:{$gte:3, $lte:4}})
db.students.find({name:{$in: ["Spongebob", "Patrick", "Sandy"]}})
db.students.find({name:{$nin: ["Spongebob", "Patrick", "Sandy"]}})