SQL Query Techniques: Using COUNT and DISTINCT in PostgreSQL
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YouTubeDataCamp
SQL Query Techniques: Using COUNT and DISTINCT in PostgreSQL
In this video, we explore intermediate SQL querying techniques in PostgreSQL, focusing on the SQL COUNT function and DISTINCT keyword. Learn how to execute effective queries, handle common SQL errors, and use aggregate functions to refine your database results. With practical examples from our films database, you'll gain insights into counting ...
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