1. Introduction MySQL is a widely used RDBMS (Relational Database Management System) in web applications and database management. Among its features, date operations are one of the important functions […]
1. Introduction Reasons for Obtaining the Current Time in MySQL When using a database, obtaining the current date and time is necessary in many situations. For example, the following use cases can be […]
1. Introduction When handling databases, processing NULL values is a very important point. In particular, those accustomed to Oracle’s NVL function often notice that NVL cannot be used when migr […]
Introduction If you’re using MySQL, you’ll often encounter scenarios where you need to “replace specific strings in a table all at once” or “batch correct incorrect data. […]
1. Introduction Challenges in Searching Comma-Separated Data in MySQL When working with databases, you may encounter cases where multiple values are stored in a single column, separated by commas. For […]
1. Introduction: Common Cases Where FIND_IN_SET is Needed When handling data in MySQL, you may encounter cases where “multiple values are saved in a single column, separated by commas.” Fo […]
1. Introduction What are the cases for handling the current time in MySQL? In MySQL, retrieving the current time is needed in various situations. For example, the following use cases can be considered […]
1. Introduction Retrieving the current time in MySQL is a very important aspect of database management. For example, you need to obtain the current time in situations such as the following. Automatica […]
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 […]