---
title: "What is Machine Learning? How It Works, Types and Use Cases"
description: "Machine learning (ML) is a subset of artificial intelligence that learns statistical patterns from data to make predictions or decisions without hard-coded rules. The guide distinguishes ML from generative AI, which creates new content, and from deep learning, a specialized ML approach using multilayered neural networks that learns features automatically and typically requires more data and computing power. It describes a workflow of preparing and splitting data, training models by comparing predictions with actual outcomes, and adjusting parameters to reduce error, illustrated with image classification and customer-churn scoring. It also covers supervised, unsupervised, and reinforcement learning, applications including computer vision and natural language processing, newer architectures such as transformers and Mamba, and MLOps practices for deployment, monitoring, and retraining."
---

# What is Machine Learning? How It Works, Types and Use Cases

[Databricks](https://yomu.fyi/company/databricks) · Databricks Staff · Sep 18, 2026

**Type:** Explainer

## Summary

Machine learning (ML) is a subset of artificial intelligence that learns statistical patterns from data to make predictions or decisions without hard-coded rules. The guide distinguishes ML from generative AI, which creates new content, and from deep learning, a specialized ML approach using multilayered neural networks that learns features automatically and typically requires more data and computing power. It describes a workflow of preparing and splitting data, training models by comparing predictions with actual outcomes, and adjusting parameters to reduce error, illustrated with image classification and customer-churn scoring. It also covers supervised, unsupervised, and reinforcement learning, applications including computer vision and natural language processing, newer architectures such as transformers and Mamba, and MLOps practices for deployment, monitoring, and retraining.

## Context

The guide provides a broad introduction to machine learning, covering its definition, relationship to generative AI and deep learning, operating principles, model optimization, learning types, applications, neural architectures, libraries, and production practices.

## Approach / What changed

The described workflow cleans and prepares data, converts inputs into numeric representations, splits examples into training and validation sets, trains a model by comparing predictions with actual outcomes, and adjusts parameters to reduce error. For production, MLOps extends the lifecycle through validation, deployment, monitoring, versioning, and retraining.

## Takeaways

- Machine learning models learn statistical patterns from data to perform prediction, classification, anomaly detection, or automated decision-making without relying on hard-coded rules.
- Deep learning uses multilayered neural networks to learn features automatically from raw data, but generally requires larger datasets and more computing power than traditional ML.
- MLOps operationalizes the lifecycle from data collection and preparation through training, validation, deployment, monitoring, and retraining, with attention to drift, reliability, and governance.

## FAQ

### How does generative AI differ from conventional machine learning?

Conventional ML commonly focuses on prediction, classification, or probability for specific repeatable tasks. Generative AI is a subset of ML designed to create new content that resembles its training data in response to user inputs.

### Why might a team choose deep learning instead of traditional ML?

Deep learning can learn features automatically from raw data and handle more complex patterns, especially in unstructured data. It generally requires large amounts of data and computing power and is less interpretable than many traditional ML models.

### What does MLOps add to a machine learning system?

MLOps makes model development, deployment, and maintenance repeatable, scalable, and reliable in production. Its practices include automated retraining, model versioning, performance monitoring, drift alerts, deployment infrastructure, and governance.

**Tags:** [Generative AI](https://yomu.fyi/topic/generative-ai), [Machine Learning](https://yomu.fyi/topic/machine-learning), [MLOps](https://yomu.fyi/topic/mlops)

- Source: [Databricks](https://www.databricks.com/blog/machine-learning)
- Source URL: https://www.databricks.com/blog/machine-learning
- Ingested by Yomu: 2026-09-17T14:13:07.045Z

[Read original post](https://www.databricks.com/blog/machine-learning)