B

@bunzi_wrld

2.6

MongoDB
3 hours ago
db.borrowings.aggregate([ { $lookup: { from: "members", localField: "member_id", foreignField: "member_id", as: "member_details" } }, {

1.4

SQL
3 hours ago
CREATE OR REPLACE PROCEDURE Register_Student ( p_student_no IN NUMBER, p_module_code IN VARCHAR2 ) AS v_count NUMBER; BEGIN -- Check if student is already registered SELECT COUNT(*) INTO v_count