Data Cleansing 101: SQL Server Essentials
Messy data and inconsistencies often lead to inaccurate conclusions and missed opportunities. This course will teach you to identify and resolve data inconsistencies, master essential cleansing techniques, and implement optimal maintenance practices.
What you'll learn
Often, you will come across messy data like duplicate entries, missing values, and inconsistent formats which will lead to inaccurate entries and unreliable analysis.
In this course, Data Cleansing 101: SQL Server Essentials, you’ll gain the ability to cleanse your data in SQL Server database, ensuring clean, reliable data for accurate analysis and confident decision-making.
First, you’ll sharpen your skills to identify and diagnose common data quality issues like duplicates, missing values, and formatting inconsistencies.
Next, you’ll explore powerful SQL queries and functions to remove duplicates, handle missing values, standardize formats, and transform your data into a pristine powerhouse.
Finally, you’ll discover essential best practices for data maintenance, preventing future data quality issues, and maintaining ongoing data integrity.
When you’re finished with this course, you’ll have the skills and knowledge you need to conquer data quality in SQL Server and unlock the full potential of your data for accurate analysis and confident decisions.
Table of contents
- Understanding Data Quality 5m
- Demo: Fundamental Querying for Data Exploration 3m
- Basic Data Cleaning Techniques: Eliminating Duplicate Records 2m
- Demo: Eliminating Duplicate Records 3m
- Handling Missing Values 1m
- Demo: Handling Missing Values 2m
- Fixing Inconsistent Data Formats 2m
- Demo: Fixing Inconsistent Data Formats 2m