#2 String_to_array() - PostgreSQL - ARRAYS - string_to_array and unnest.
In this video, you'll learn how to use PostgreSQL to manipulate data from a table of orders using SQL queries.
You'll explore the power of the string_to_array() function, which allows you to convert a string of comma-separated values into an array. From there, you'll dive into the unnest() function, which allows you to expand an array into individual rows.
By the end of the video, you'll have a solid understanding of how to use these functions together to extract meaningful insights from your data. Plus, you'll learn how to use the GROUP BY and ORDER BY clauses to sort and aggregate your results.
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