Monthly trend analysis in SQL involves measuring how a key metric evolves each month. This often requires grouping data by month, then comparing or smoothing those monthly values to reveal direction, momentum, or seasonality. In this report, we define terms like monthly trend, seasonality, and baseline, then show how to calculate monthly trend in SQL. We cover techniques … Read more
Almost every website, mobile app, and business system stores data. Whether you are logging into a social media account, shopping online, or checking your bank balance, information is being stored and retrieved from a database. The language that makes this possible is SQL, one of the most important technologies in modern computing. What Is SQL? … Read more
SQL injection is a form of code injection where an attacker feeds malicious input into a data-driven application’s fields so that hidden database commands execute. In other words, the attacker’s input becomes part of the SQL command sent to the database. For example, if a login form directly includes whatever a user types into its database query, … Read more