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Database Administrator

Install, secure, back up and tune the databases that store company data.

sqldatabasesoperations
Start with: STEM Foundations: The Universal Skill StackTake the career survey

Career facts

Preparation
Considerable preparation needed · most need a bachelor's degree
Ways in
  • Bachelor's degree
  • Industry certification
  • Portfolio of projects
Field
Software, data & cyber

About this career

Database administrators install and upgrade database servers, set up user permissions, schedule backups, test restores and fix slow queries. They work with SQL and engines such as PostgreSQL, MySQL, SQL Server or MongoDB, plus monitoring tools and scripts that automate routine checks. Entry is usually a bachelor's degree in computer science or IT, or support experience plus a vendor certification.

Learning path

Take these courses in order, from beginner to mid-level.

  1. Step 1: STEM Foundations: The Universal Skill Stack

    The shared base every STEM career uses: working with numbers and units, testing ideas fairly, handling data and code, and explaining your work.

    Level: Beginner4 modules · 12 lessons · 7h 18mAlso used in 34 other careers

  2. Step 2: Digital Literacy for Tech & STEM Work

    The everyday computer, internet, safety and AI skills every tech and STEM job assumes you already have.

    Level: Beginner4 modules · 12 lessons · 6h 8mAlso used in 34 other careers

  3. Step 3: Professional Communication & Teamwork

    Write clear emails and documents, present and run meetings, work well on teams, and navigate résumés, interviews and networking.

    Level: Beginner4 modules · 12 lessons · 7h 24mAlso used in 34 other careers

  4. Step 4: Math for Tech & STEM

    The practical math behind tech and STEM work: numbers, algebra, functions, geometry, logic and counting, with short code exercises.

    Level: Beginner5 modules · 15 lessons · 7h 32mAlso used in 34 other careers

  5. Step 5: Git & the Command Line

    Use the terminal with confidence, track your work with Git, and collaborate on GitHub with pull requests.

    Level: Beginner3 modules · 9 lessons · 5h 57mAlso used in 15 other careers

  6. Step 6: SQL Fundamentals

    Query, summarise, join and change data in a relational database with SQL, practised in your browser.

    Level: Beginner4 modules · 12 lessons · 5h 44mAlso used in 11 other careers

  7. Step 7: Networking Fundamentals

    Learn how data moves between computers: layers, IP addresses and subnets, ports, DNS, DHCP, HTTPS, and the tools to troubleshoot it.

    Level: Beginner3 modules · 9 lessons · 5h 11mAlso used in 8 other careers

  8. Step 8: Foundations for Software, Data, Design & Tech Education Careers

    Understand tech roles and career ladders, pick a realistic learning route, build portfolio evidence, and navigate postings, interviews and your first 90 days.

    Level: Beginner3 modules · 9 lessons · 7h 22mAlso used in 20 other careers

  9. Step 9: SQL for Analysis

    Go beyond the basics with subqueries, CTEs, window functions and the analytics patterns analysts use every day, practised in your browser.

    Level: Intermediate4 modules · 12 lessons · 7h 18mAlso used in 5 other careers

  10. Step 10: Linux Administration

    Run a Linux server with confidence: users and permissions, services, packages, logs, SSH keys, bash scripts and scheduled jobs.

    Level: Intermediate3 modules · 9 lessons · 10h 12mAlso used in 6 other careers

  11. Step 11: Database Administration

    Design, tune, operate and secure production databases: normalisation, indexing, backups, replication, access control, monitoring and safe migrations.

    Level: Mid-level4 modules · 12 lessons · 7h 40mAlso used in 1 other career

Skills you'll build

SQL

The language for asking questions of relational databases. Used everywhere.

Command Line

The terminal — how programmers automate tasks and run tools without a graphical UI.

Networking

How computers talk to each other — TCP/IP, DNS, HTTP. Required for any backend or security role.

Cloud Fundamentals

Core concepts of cloud providers (AWS, GCP, Azure): compute, storage, networking, IAM.

Security Fundamentals

Authentication, authorization, encryption, common attack patterns. Defense in depth.

Free resources to get started

Hand-picked courses and reading from trusted free providers.

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