In diesem zweistündigen Projekt wirst du Daten aus Datenbanktabellen mit dem SQL-GROUP-BY-Statement in Verbindung SQL-Aggregationsfunktionen abrufen. Wir werden die Aggregationsfunktionen COUNT(), SUM(), MIN(), MAX() und AVG() kennen lernen. Aggregationsfunktionen werden verwendet, um Zeilen einer Tabelle in einen einzigen Wert zusammen zu fassen. Außerdem wirst du lernen, wie du das gruppierten und aggregierten Ergebnis mit HAVING filtern kannst.
Datenaggregation mit SQL
Taught in German
Instructor: Sandro Raabe
Included with
Guided Project
Recommended experience
What you'll learn
Daten in Datenbanktabellen mithilfe von SQL-Aggregationsfunktionen zusammenfassen
Bedingungen in den Ergebnissen von Aggregationsfunktionen mit dem HAVING-Befehl verwirklichen
Statistische Fragen an die Daten stellen und mit SQL-Code beantworten
Skills you'll practice
Details to know
Add to your LinkedIn profile
Guided Project
Recommended experience
See how employees at top companies are mastering in-demand skills
Learn, practice, and apply job-ready skills in less than 2 hours
- Receive training from industry experts
- Gain hands-on experience solving real-world job tasks
- Build confidence using the latest tools and technologies
About this Guided Project
Learn step-by-step
In a video that plays in a split-screen with your work area, your instructor will walk you through these steps:
Zählen mit COUNT
Gruppieren mit GROUP BY
Aggregierte Daten filtern mit HAVING
Datenauswertungen mit MIN & MAX
Datenauswertungen mit SUM, AVG, ROUND
Recommended experience
Einfache SQL-Abfragen wie SELECT und WHERE
7 project images
Instructor
Offered by
How you'll learn
Skill-based, hands-on learning
Practice new skills by completing job-related tasks.
Expert guidance
Follow along with pre-recorded videos from experts using a unique side-by-side interface.
No downloads or installation required
Access the tools and resources you need in a pre-configured cloud workspace.
Available only on desktop
This Guided Project is designed for laptops or desktop computers with a reliable Internet connection, not mobile devices.
Why people choose Coursera for their career
New to Data Analysis? Start here.
Open new doors with Coursera Plus
Unlimited access to 7,000+ world-class courses, hands-on projects, and job-ready certificate programs - all included in your subscription
Advance your career with an online degree
Earn a degree from world-class universities - 100% online
Join over 3,400 global companies that choose Coursera for Business
Upskill your employees to excel in the digital economy
Frequently asked questions
By purchasing a Guided Project, you'll get everything you need to complete the Guided Project including access to a cloud desktop workspace through your web browser that contains the files and software you need to get started, plus step-by-step video instruction from a subject matter expert.
Because your workspace contains a cloud desktop that is sized for a laptop or desktop computer, Guided Projects are not available on your mobile device.
Guided Project instructors are subject matter experts who have experience in the skill, tool or domain of their project and are passionate about sharing their knowledge to impact millions of learners around the world.