1. Introduction The Importance of Handling the Current Time in MySQL MySQL places great importance on handling time in order to properly manage the information stored in a database. In particular, fun […]
1. Introduction When operating a database, you may encounter situations such as “How many different countries are registered?” or “I want to know the number of unique email addresses […]
1. Introduction In MySQL version 8.0, many new features have been added, and among them, the support for window functions stands out. This article focuses on the frequently used ROW_NUMBER() function. […]
1. Introduction MySQL is a widely used database management system around the world. Among its features, the MAX function is an important aggregate function that is frequently used in data analysis and […]
1. Introduction MySQL is a widely used database management system for building web applications and databases, and handling date data is especially important. For example, managing blog posts, product […]
1. Basics of String Manipulation in MySQL In database management, string manipulation is an essential skill for data processing and query optimization. MySQL provides convenient functions to extract a […]
1. Overview of the MySQL NOW() Function The MySQL NOW() function is used to easily retrieve the current date and time within the database. By leveraging NOW(), you can obtain timestamp information use […]
1. Before Learning MySQL Date Formatting: The Basics Managing date data in a database plays a critical role in every system. In MySQL, accurate storage and proper formatting are essential. Here, we’ll […]
1. Overview of the MySQL COUNT Function The COUNT function in MySQL is a very useful tool for retrieving the number of rows that match a specified column or condition. By using this function, you can […]
1. Basic Concept of the CAST Function What is the CAST Function? The MySQL CAST function is an SQL function used to convert data types. It allows you to transform a given expression into another type. […]