How to Select Data within a Specific Date Range Using SQL?

Selecting Data within a Date Range

When working with databases, it's often required to select data within a specific date range. For instance, you may want to generate reports for sales between two dates. Here's how to achieve this using a simple SQL query.

Query:

SELECT * FROM Product_sales 
WHERE NOT (From_date > @RangeTill OR To_date < @RangeFrom)

Explanation:

The query utilizes a logical expression within the WHERE clause to determine whether a sales record falls within the specified date range. The expression consists of the following components:

• From_date > @RangeTill: This checks if the From_date column is greater than the upper bound of the date range. If true, the record is excluded from the results.
• To_date < @RangeFrom: This checks if the To_date column is less than the lower bound of the date range. If true, the record is also excluded.

The NOT operator ensures that only records where neither condition is true are included in the results. In other words, it selects sales data that occurs between or on the specified dates.

Example:

To select sales data between 2013-01-03 and 2013-01-09, the query would be:

SELECT * FROM Product_sales 
WHERE NOT (From_date > '2013-01-09' OR To_date < '2013-01-03')
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