Data Quality - The Complete Course
The Data Quality - The Complete Course equips data engineers, data analysts, and data stewards with end-to-end skills to detect, diagnose, and resolve data quality issues in modern pipelines. It solves the critical pain point of unreliable data by teaching automated validation, profiling, and cleansing techniques using open-source tools. 83% of enterprises report data quality as a top barrier to analytics success, making these skills essential.
This course prepares learners for the DAMA CDMP Data Quality Specialist exam, which requires a 70% passing score on a 90-minute, open-book test. Koenig Solutions includes 30-day lab access for hands-on practice with real-world datasets, ensuring mastery of data validation rules and quality metrics. Graduates gain the expertise to lead data trust initiatives and improve organizational data maturity.
Training Formats & Pricing
100% Happiness Guarantee · Free Rescheduling · Secure Payment
Course Overview
The Data Quality - The Complete Course by Open Source is a comprehensive training program designed for data analysts, data engineers, and data stewards who aim to master the principles and practices of ensuring high-quality data across enterprise systems. This course provides in-depth coverage of data quality dimensions such as completeness, uniqueness, validity, accuracy, consistency, and timeliness, aligning with industry standards used by organizations leveraging data-driven decision-making. Participants prepare for the foundational concepts tested in certifications like the CDMP Data Quality Specialist exam, gaining skills directly applicable to real-world data governance and quality assurance roles. With data quality initiatives now adopted by over 70% of Fortune 500 companies to improve analytics reliability, this course equips professionals with in-demand expertise to meet growing employer needs.
Learners engage with key open-source tools including Pandas, Great Expectations, Deequ, and OpenMetadata, using Python and YAML to define and execute data quality rules programmatically. The hands-on lab environment is built on Jupyter Notebook, where students configure and run data validation workflows against realistic datasets, such as customer records and transaction logs. A core project involves building a data quality pipeline that ingests raw data, applies a series of rule-based checks via YAML configurations, and generates automated reports using the DataQualityConfig framework. Students also integrate data quality tests into ETL workflows, simulating production environments where data validation acts as a quality gate before downstream consumption.
This course prepares learners for the CDMP Data Quality Specialist certification, a widely recognized credential in data management that validates expertise in data quality assessment and improvement. Certified professionals report salary increases of up to 25%, with data quality analysts earning between $60,000 and $101,000 annually in the United States, depending on experience and location. Koenig Solutions enhances this learning path with Guaranteed-to-Run batches and official courseware, ensuring consistent access to up-to-date content and expert-led instruction. Upon completion, graduates are equipped to lead data quality initiatives, reduce data-related business risks, and advance into senior data governance or data engineering roles.
What You'll Learn
Prerequisites
- Basic SQL and relational database concepts, including tables, keys, and joins, are essential for mastering Data Quality - The Complete Course by Open Source. Familiarity with these fundamentals helps ensure data accuracy and consistency in your projects.
- Experience writing Python functions and using pip to install packages is crucial for effectively implementing data validation and quality checks in the Data Quality - The Complete Course by Open Source. This skill accelerates your ability to automate data processes.
- Understanding ETL processes and idempotency in data pipelines is vital for maintaining reliable data workflows. The Data Quality - The Complete Course by Open Source covers these concepts to help you prevent data duplication and errors.
- Familiarity with data validation frameworks such as Great Expectations or pandera enhances your ability to ensure data integrity. The course equips you with practical skills to implement these frameworks efficiently.
- Ability to create and run Python virtual environments (venv) is important for managing project dependencies. This knowledge is included in Data Quality - The Complete Course by Open Source to streamline your development process.
- Hands-on experience with data quality monitoring and adversarial thinking about data integrity prepares you to identify vulnerabilities and improve data trustworthiness. The course emphasizes practical application to boost your data governance skills.
Certification Exam
Everything you need to know about the Data Quality - The Complete Course certification exam
Course Curriculum
Structured learning with hands-on labs and real-world scenarios
1
Day 1– Mastering Data Quality Fundamentals
2
Day 2– Syntactic Quality via Regular Expressions
3
Day 3– Efficient Cleaning with OpenRefine
4
Day 4– Relational Modeling and Data Queries
5
Day 5– Integrity Constraints using Datalog
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Official Courseware
Hands-On Lab Environment (30 days)
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Hands-On Lab
Live Lab Sandbox
Real EnvironmentPractice in a real lab environment with full access to the tools and services covered in the course.
30+ Guided Labs
30+Step-by-step lab exercises designed to reinforce each module with practical, hands-on tasks.
Lab Manual Included
Full GuideComprehensive lab guide with detailed instructions, screenshots, and troubleshooting tips.
Post-Training Access
30 Days30 days of extended lab access after your training ends so you can continue practicing.
Career Outcomes
of Data Quality - The Complete Course certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the Data Quality - The Complete Course certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- Data Quality Analyst
- Data Governance Specialist
- Data Steward
- Data Quality Engineer
- Master Data Management Specialist
Companies Hiring
and 5,000+ organizations worldwide seeking Data Quality - The Complete Course certified professionals
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
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★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
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“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
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“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
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“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
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“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
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“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Resources
Learn more about Data Quality - The Complete Course before you enroll
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Read ArticleHappiness Guarantee
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