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Specifying the Filter Criteria

Specifying the Filter Criteria

Learn how to filter the record using the WHERE clause.

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Sifting results

There are instances when we specifically desire to observe data that meets particular criteria. For example, we might be interested in viewing sales that surpass a designated amount, like over 200. Is it possible to accomplish this, and if so, how? Let’s try to understand.

Recall the three questions or clauses that constitute the core of an SQL query. These include:

  1. What are the fields/attributes we want to show in our result set? 

  2. What are the data sources? 

  3. What criteria/conditions are to be met for those results?  ...