Z

@zimenhlapo

2.6

MongoDB
3 hours ago
db.borrowedbooks.aggregate([ { $lookup: { from: "member", localField: "memberID", foreignField: "memberID", as: "memberDetails" } }, {

2.5

MongoDB
3 hours ago
db.borrowedbooks.deleteOne( { fineAmount: 50 } )

2.4

MongoDB
3 hours ago
db.borrowedbooks.aggregate([ { $group: { _id: null, totalRevenue: { $sum: "$fineAmount" } } } ])

2.3

MongoDB
3 hours ago
db.book.find( { publicationYear: { $gt: 2026 } } )

2.22

MongoDB
3 hours ago
db.author.insertMany([ { authorID: 1, firstName: "Zime lastName: "Nhlapo" }, { authorID: 2, firstName: "Wanga", lastName: "Tshidada"

2.2

MongoDB
3 hours ago
db.author.insertMany([ { authorID: 1, firstName: "Zime", lastName: "Nhlapo" }, { authorID: 2, firstName: "Wanga", lastName: "Tshidada"

2.1

MongoDB
3 hours ago
db.createCollection("author") db.createCollection("book") db.createCollection("member") db.createCollection("bookauthor") db.createCollection("borrowedbooks")

2.1

MongoDB
3 hours ago
db.createCollection("author") db.createCollection("book") db.createCollection("member") db.createCollection("bookauthor") db.createCollection("borrowedbooks")

assignment

MongoDB
3 days ago
db.borrowedBooks.insertOne({ memberID: 'MEM002', ISBN: 'ISBN002', dateBorrowed: new Date('2024-02-05'), dueDate: new Date('2024-02-19'), returnDate: null, fineAmount: 50.0 }); db.borrowedBooks.aggregate([