![]() ![]() ![]() We don’t know any characters after that, but we know it started with that letter. The percent wildcard is used when you simply want to look for any number of characters, including zero characters.Īs an example, let’s say we remember our customer had a last name that started with the letter ‘ W‘. So of course, in the ‘ ‘ part, you’ll have the wildcard characters you want to use. So when using wildcards, the template looks more like this: Instead, you are looking for data that is similar to your value. When using wildcards, you aren’t looking for a data that is exactly equal to your value. If you think about it, this sort-of makes sense. Normally if you are trying to filter values using a WHERE clause, the template would look something like this:īut when using wildcard characters, we can’t use the ‘=’ sign. When we use any of our wildcard characters to find a string value that matches a certain pattern, we need to use it in combination with the ‘ LIKE‘ clause. In this tutorial, we will cover these topics: If you want to learn more about other extremely common and useful query tools, check out that tutorial. Wildcards are part of the Top 6 tools you should know for writing AWESOME Select statements. We’ll learn how we can find our new customer using just the most basic information we have. In this tutorial, we’ll learn the 5 wildcard characters you can use to find string values within your data. Wildcard characters are used in SQL Server to specifically look for character strings that match a specific pattern. Would you know how to look her up with those minor details? How are you supposed to look her up if you forgot her freaking name?! You remember it sounded like ‘ Sara‘, or maybe ‘ Kara‘? You remember her last name was kind of long, and started with a ‘ W‘, you think. She said she has signed up for your email list, but you forgot her name. She says “ Thank you very much!“, and you say your goodbyes…. You say you are very excited to have her as a customer, and that you’ll send her a special 10% off coupon for her next purchase. They plan on being a regular customer, which you know will bring in lots of fresh cash for the business. You are speaking with a new customer who says they own a woodworking business, and enjoy shopping at your store very much. You are the manager of a new up-and-coming hardware store in the city of Denver, Colorado. ![]()
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