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The 5 most common aggregate functions used in SQL interviews are: AVG () - Returns the average value COUNT () - Returns the number of rows MAX () - Returns the largest value MIN () - Returns the ...
Task 4: Using SQL Aggregate Functions and GROUP BY to summarize and analyze data. Includes queries using SUM, COUNT, AVG, GROUP BY, and HAVING on a sample sales dataset. Query outputs: SELECT * FROM ...
User can use C99 designated initializer or C++ aggregate initialization to define constant database table, column, and migration, this can reduce running time when making schema, see doc/ ...