Two tables can be merged in SQL either by rows or columns through a variety of commands, including inner join, left join, union, except and more. Here’s how with examples.
SQL PIVOT is a function that is used to create pivot tables and divide components of data into different columns and rows to make it easier to analyze. Learn how to do it.
Optimizing SQL for large data sets is an important step in managing the performance of your database. Follow these best practices to achieve faster data retrieval and efficiency.
