SQL Aggregate Window Functions COUNT AVG SUM MAX MIN SQL Course 4
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Course Description
SQL Window Functions,
in this course we will learn about the SQL Window Functions, a powerful tool for performing advanced data analysis and gaining deeper insights from datasets. Window functions allow calculations across a set of rows related to the current row without collapsing the data, making them ideal for dynamic analytics. You will explore essential functions like ROW_NUMBER, RANK, and DENSE_RANK for ranking data, LAG and LEAD for accessing previous and next rows, and SUM and AVG for cumulative calculations. This course will also cover the use of PARTITION BY to group data and ORDER BY to define the processing order within partitions. By the end of the course, you’ll be able to apply these functions to solve real-world problems, optimize queries, and enhance your data analysis skills in SQL, making you proficient in handling complex business scenarios with ease. Perfect for analysts, developers, or database professionals. Data with Baraa
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