CHAPTER 5
It’s about the Question
“It’s not about the query; it’s about the question.” This is one of my favorite sayings when it comes to writing SQL. Regardless of your level of proficiency, writing SQL well is as much about questions as it is about queries.
There are many ways that questions play an important role when writing SQL. First, understanding the question behind the query is often more important than the query syntax itself. If you start with the question the SQL is intended to answer, you are more likely to think through and understand how best to formulate the query to get the desired result. Second, it is critical to be able to ...
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