The below visual captures ideas on SharePoint table data storage and when to use what. Rows and columns of data are common. Choosing the best hosting technology provides ease of support, quick time to market, performance, and scale for data growth.
SQL Server has good use cases, but comes with trade-offs including higher upfront setup effort and fewer end user controls (audit, search, version history). Can improve performance and reporting if those trade-offs are correctly addressed.
Select right tool for the job. Times for both.