Getting to grips with the max and min aggregate functions in SQL

Max and Min in SQL

Using the AVG aggregate function in SQL to get average of the values of a column

How to get the average of a column in SQL

Using the SUM aggregate function in SQL to sum the values of a column

What convention should be used when naming databases, tables, and fields?

Learn how to use Array.join() to generate string from an array

Learn how to split a string into an array of substrings

Learn how and when to use the Nullish Coalescing Operator ??

Learn how to call async functions from map()

Using setTimeout and setInterval to control the execution of code at specified time intervals