PostgreSQL is a widely used open source relational database management system that can store and manipulate various types of data, including strings. A string is a sequence of characters that repre...

Window functions are a special type of functions that allow you to perform calculations over a group of rows, called a window, that are related to the current row. Window functions are very useful ...

PostgreSQL is a powerful and versatile database system that supports many advanced features, such as inheritance. Inheritance is a concept that allows us to create tables that share some or all of ...

PostgreSQL is a powerful and open source relational database management system that supports many advanced features. One of these features is the ability to manipulate dates and times using various...

Have you ever wondered how to make your C# applications more user-friendly and readable? How to format strings, numbers, dates, and enums in a way that is easy for humans to understand? How to avoi...