#7.1 Demo: Create a collection and insert Documents

Tasks

• Create a database called company
• Create a collection called personnel
• Insert 10 employee’s info in the collection.

Code

# create a database
USE company

# creata a collection 
db.createCollection("personnel") 

# define 10 employee's data
var personnelData = [
    {
        name: "John Doe",
        age: 30,
        working_experience: 5,
        department: "Engineering",
        salary: 60000,
        skills: ["JavaScript", "Node.js", "MongoDB", "React"]
    },
    {
        name: "Jane Smith",
        age: 28,
        working_experience: 4,
        department: "Marketing",
        salary: 55000,
        skills: ["Digital Marketing", "SEO", "Social Media Management"]
    },
    {
        name: "Michael Johnson",
        age: 35,
        working_experience: 8,
        department: "Finance",
        salary: 70000,
        skills: ["Accounting", "Financial Analysis", "Excel"]
    },
    {
        name: "Emily Brown",
        age: 32,
        working_experience: 6,
        department: "Human Resources",
        salary: 62000,
        skills: ["Recruitment", "Employee Relations", "Training"]
    },
    {
        name: "David Wilson",
        age: 40,
        working_experience: 12,
        department: "Operations",
        salary: 75000,
        skills: ["Project Management", "Supply Chain", "Lean Six Sigma"]
    },
    {
        name: "Sarah Lee",
        age: 27,
        working_experience: 3,
        department: "Customer Support",
        salary: 50000,
        skills: ["Customer Service", "Communication", "Troubleshooting"]
    },
    {
        name: "Alex Garcia",
        age: 34,
        working_experience: 7,
        department: "Sales",
        salary: 67000,
        skills: ["Sales Strategy", "Negotiation", "CRM"]
    },
    {
        name: "Michelle Martinez",
        age: 31,
        working_experience: 5,
        department: "Research and Development",
        salary: 63000,
        skills: ["Research", "Data Analysis", "Python", "Machine Learning"]
    },
    {
        name: "Daniel Thompson",
        age: 29,
        working_experience: 4,
        department: "Product Management",
        salary: 58000,
        skills: ["Product Development", "Product Launch", "Market Analysis"]
    },
    {
        name: "Amanda Hall",
        age: 33,
        working_experience: 9,
        department: "Quality Assurance",
        salary: 69000,
        skills: ["Testing", "Bug Tracking", "Automation"]
    }
];

#Insert the sample documents into the 'personnel' collection
db.personnel.insertMany(personnelData);

You can verify it in the Compass. It should look like this: