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Using SQL String Functions to Clean Data

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Welcome to this project-based course on Using SQL String Functions to Clean Data. In this project, you will learn how to perform data cleaning and manipulation using SQL string functions like LENGTH, UPPER & LOWER, REPLACE, TRIM, SUBSTRING, CONCAT, STRING_AGG, and COALESCE. By the end of this 2-hour long project, you will understand why you need to learn about string functions and use them to get the desired result you want from tables in a database. Also, for this hands-on project, we will use PostgreSQL as our preferred database management system (DBMS). Therefore, to complete this project, it is required that you have prior experience with using PostgreSQL. Similarly, this project is an advanced SQL concept; so, a good foundation for writing SQL queries is vital to complete this project. If you are not familiar with SQL and want to learn the basics, start with my previous guided projects titled “Performing Data definition and Manipulation in SQL" and “Querying Databases using SQL SELECT statement.” I taught these guided projects using PostgreSQL. Taking these projects will give the needed requisite to complete this project Using SQL String Functions to Clean Data. However, if you are comfortable writing queries in PostgreSQL, please join me on this wonderful ride! Let’s get our hands dirty!

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Dive into the world of data cleaning with our project-based course, "Using SQL String Functions to Clean Data." Perfect for those in IT & Computer Science, this intermediate-level course, offered by Coursera, focuses on mastering SQL string functions to streamline and enhance your data cleaning processes. Under the expert guidance of our instructors, you will explore practical applications of SQL to efficiently clean and prepare data for analysis. With a total duration of 180 minutes, this concise yet comprehensive course ensures you gain essential skills without a significant time commitment. Plus, enjoy the flexibility of learning at no cost with our free subscription option. Ideal for professionals looking to refine their SQL expertise and improve their data manipulation capabilities, this course is a valuable asset for anyone aiming to advance their career in data-driven environments. Join us and transform your data cleaning approach today!