How to Select Sales Data Within a Specific Date Range in SQL?

Selecting Data from a Date Range Between Two Dates

In your database, you have a table named Product_Sales with the following columns:

• Product_ID
• Sold_by
• Qty
• From_date
• To_date

Your goal is to select sales data that falls within a specific date range. For example, you might want to retrieve data from January 3, 2013, to January 9, 2013.

To achieve this, you can utilize the following query:

SELECT * FROM Product_sales
WHERE NOT (From_date > @RangeTill OR To_date <p>where @RangeFrom and @RangeTill represent the start and end dates of the desired range, respectively.</p><h3 id="How-the-Query-Works">How the Query Works</h3><p>This query employs the "interval intersection" concept. It identifies sales where the date range does not intersect with the provided range. The criteria for such non-intersections are as follows:</p><ol>
<li>The start date of the sale occurs after the end of the provided range (From_date > @RangeTill).</li>
<li>The end date of the sale occurs before the start of the provided range (To_date </li>
</ol><p>In other words, it eliminates sales that fall outside the specified range based on the aforementioned conditions.</p>

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