SQL Nerd Notes
Nerd Notes are your way to remember all the key points throughout the concept articles! When there’s a highlighted phrase (like this one), the bolded … Read More
Practice Exam (SQL)
Question #1 Display all cities of customers who have ordered from Nancy Davolio and live in the United States or any other North American countries … Read More
Question #5 Explanation | SQL Cram Kit
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Question #4 Explanation | SQL Cram Kit
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Question #3 Explanation | SQL Cram Kit
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Question #1 Explanation | SQL Cram Kit
Display all cities of customers who have ordered from Nancy Davolio and live in the United States or any other North American countries (Canada or … Read More
Question #2 Explanation | SQL Cram Kit
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ORDER BY | BUS 104 – SQL Exam
ORDER BY explained Remember lining up for attendance as a kid in elementary school? Let’s say we’ve got the following students in a classroom… …and … Read More
Troubleshooting errors | BUS 104 – SQL Exam
There’s 3 common errors that students run into when working with SQL: Let’s go one-by-one and see how we can correct each! ERROR: not a … Read More
HAVING | BUS 104 – SQL Exam
HAVING explained Meet Mary, an avid runner and fitness guru. Mary is competing to be selected to participate in The Best Race Ever against 2 … Read More