LIKE is a great SQL operator, but it has one disadvantage: it is a case-sensitive command. That’s why there could be problems when applying this operator, because you don’t know exactly if rows include uppercase letters or not. But, we can do a little trick to make the command more efficient. Let's make all the symbols lowercase before applying LIKE. We will use an LCASE function for this. Now, let’s try to guess how to use the LCASE function for our pet names. Then click "Proceed".