Text analysis with SQL String functions. Part 2

234. String functions. Part 2

Let’s continue our journey in the world of string functions. 🚗

TRIM(text_input, trim_characters = ' ')

The TRIM() function is extremely useful in case there’s some raw data in our data warehouse. It could happen that users left some spaces before or after their email which is a disaster for any kind of text analysis. The good news is that the TRIM() function removes all spaces from the beginning and the end of the text input:

SELECT TRIM(' foobar ') AS trimmed_input

Note, that the TRIM() function has the second optional argument – trim_characters...

“well worth the money”
Sign up and check out 36 free lessons and exercises.

Anatoli Makarevich, author of SQL Habit About SQL Habit

Hi, it’s Anatoli, the author of SQL Habit. 👋

SQL Habit is a course (or, as some of the students say, “business simulator”). It’s based on a story of a fictional startup called Bindle. You’ll play a role of their Data Analyst 📊 and solve real-life challenges from Business, Marketing, and Product Management.

SQL Habit course is made of bite-sized lessons (you’re looking at one atm) and exercises. They always have a real-life setting and detailed explanations. You can immediately apply everything you’ve learned at work. 🚀

“well worth the money”

Fluent in SQL in a month

Master Data Analysis with SQL with real life examples from Product Management, Marketing, Finance and more.
-- Type your query here, for example this one -- lists all records from users table: SELECT * FROM users
Loading chart... ⏳
Previous lesson: String functions. Part 1
Next exercise: Books title length distribution