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What is SQL Column Functions Explained about?

Column functions are used to summarize columns or expressions. Some common column functions include SUM to total values, AVG to calculate the average, MIN and MAX to find smallest and largest values, and COUNT to count rows. An example query uses several column functions like SUM, AVG, MIN, MAX, and COUNT to analyze data from an EMPLOYEE table, grouping results and applying conditions with clauses like GROUP BY and HAVING. Proper use of column functions, GROUP BY, and HAVING allows flexible analysis of colu

Author

Glazerie Quijano Galabin

Language

EN