Modern databases must keep up with dynamic business demands, and the most important requirement is to ensure regular database updating that will preserve all the data. To achieve it, we apply either a state-based or migration-based approach.
Surrogate keys let software developers identify records uniquely in cases where it is impossible to use natural keys. However, what exactly is a surrogate key in SQL? What advantages and disadvantages does it bring? And, finally, how should you apply it? This article is going to explore all these questions.
Is data visualization important? Yes, visual is easier to comprehend than verbal, and graphical data presentation helps us grasp the necessary information easier and dive deeper to make the right decision.