Understanding EXTRACT() in DuckDB

DuckDB offers a variety of date functions, one of which is the extract() function. This function is designed to retrieve a specific date part from a date or timestamp value, and it can also be applied to intervals.

In this article, we’ll take a closer look at the extract() function and provide some straightforward examples to illustrate how it works.

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Using TRY_STRPTIME() to Handle Errors When Constructing Timestamps in DuckDB

If you’ve ever used the strptime() function to create a timestamp in DuckDB, you may be aware that it will return an error if it can’t construct the timestamp from the format string/s provided.

While such an error could be useful in some situations, it could also be annoying in others.

Fortunately, DuckDB also provides the try_strptime() function, which will suppress any error that we might ordinarily get in such cases. This function returns null instead of an error.

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Using the AGE() Function to Compare Dates in DuckDB

When working with date and time data in DuckDB, calculating the difference between two dates is a common requirement. Whether we’re determining a person’s age from their birthdate or measuring the duration between two events, DuckDB’s age() function provides a straightforward solution. This function returns an interval representing the difference between two timestamps or dates, making it especially useful for time-based analyses.

In this article, we’ll explore how to use the age() function in DuckDB. We’ll cover its syntax, and provide some simple examples.

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