When matching email domains we assumed that they’re all in lowercase:
SELECT email FROM users WHERE email LIKE '%@boogle.%'
Indeed, domains are often stored inside database in lowercase. It’s not the case for other values, like user names or book genres.
LIKE operator is case sensitive. It means that it matches exactly the same letters as we provide: boogle and not Boogle or BOOGLE.
To match strings in case insensitive manner we can use
ILIKE operator. Here’s an example query that selects all books that have the word “the” in the...
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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.