DataOps School

Data Engineer Professional Certification Domains & weightings from official documentation (updated 2025) (Databricks, Whizlabs). Domain 1: Databricks Tooling (≈20%) Domain 2: Data Processing (≈30%) Domain 3: Data…

🧰 1. Data Engineer Associate Certification (July 25, 2025 version) Exam domains & weights are based on the updated guide published for exams taken on or after July 25, 2025 ()….

Here is the list of Databricks Certifications offered up to June 2025, based on official Databricks documentation and up‑to‑date industry sources (): 🏅 Core Certifications Data Analyst Data…

Databricks is a unified cloud-based data platform designed for big data analytics, data engineering, machine learning, and artificial intelligence (AI) workloads. It’s widely used by enterprises for…

1. Introduction & Overview ✅ What is Data Democratization? Data Democratization is the process of making data accessible to non-technical users across an organization without needing help…

1. Introduction & Overview What is a Semantic Layer? A Semantic Layer is an abstraction layer that sits between raw data sources and end users or applications….

🧩 Introduction & Overview What is a Metrics Store? A Metrics Store is a centralized system designed to collect, store, manage, and serve time-series performance and operational…

1. Introduction & Overview What is a KPI Dashboard? A KPI (Key Performance Indicator) Dashboard is a visual interface that aggregates and displays metrics in real time,…

1. Introduction & Overview What is Self-Service Analytics? Self-Service Analytics (SSA) refers to a set of tools and practices that allow non-technical users (e.g., business analysts, product…

1. Introduction & Overview What is Embedded Analytics? Embedded Analytics is the integration of analytical capabilities and data visualizations directly into business applications or software workflows. Unlike…

1. Introduction & Overview What is Looker? Looker is a modern data platform that enables organizations to explore, analyze, and share real-time business insights. It provides a…

1. Introduction & Overview What is Power BI? Power BI is Microsoft’s suite of business intelligence (BI) tools for data visualization, analytics, and reporting. It enables users…

1. Introduction & Overview 🔍 What is Tableau? Tableau is a powerful data visualization and business intelligence (BI) tool that enables users to transform raw data into…

1. Introduction & Overview What are BI Tools? Business Intelligence (BI) tools are software platforms used to gather, process, analyze, and visualize data to support informed decision-making….

📘 1. Introduction & Overview 🔍 What is Data Encryption? Data Encryption is the process of converting plain text into a coded form (ciphertext) to prevent unauthorized…

1. Introduction & Overview What is PII (Personally Identifiable Information)? PII refers to any information that can be used to uniquely identify an individual. This includes both…

📘 Introduction & Overview What are Audit Logs? Audit Logs (also known as audit trails) are chronological records that detail all events and changes made to systems,…

1. Introduction & Overview What is HIPAA? HIPAA (Health Insurance Portability and Accountability Act) is a U.S. federal law enacted in 1996 designed to: In DevSecOps, HIPAA…

1. Introduction & Overview 🔍 What is GDPR? The General Data Protection Regulation (GDPR) is a European Union (EU) law that governs how personal data of individuals…