The article discusses the process of dividing data into windows every minute in a database table, filling in missing windows, and calculating values for each window using complex SQL queries. The SQL code provided involves multiple nested subqueries and join statements, making it difficult to understand and implement. The article suggests using esProcSPL, which offers time series functions and simpler syntax for handling such data manipulation tasks. esProcSPL is free to use and can be downloaded for easier data processing.