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In my daily use of SQL queries, aggregate functions are used to perform calculations on a set of values, returning a single value. Common examples include SUM, AVG, COUNT, MIN, and MAX.
We often use aggregate functions with the GROUP BY and HAVING clauses of the SELECT statement. There are 5 types of SQL aggregate functions: Count() Sum() Avg() Min() Max() COLUMN REFERENCING. In SQL, ...
"Learn how to use aggregate functions for summarizing results and gain useful insights about data in SQL. " "Building reports from a given dataset is an essential skill if you are working with data.
Hi!I often run queries on my company’s Data Warehouse, which runs DB2. Due to the nature of my permissions, I cannot create Views or new Tables – thus, everything generally has to be done in a ...
Learn what aggregate functions are, how to use them in SQL queries, and why they are useful for BI. Find examples of common scenarios and calculations.