Introduction When working with MySQL, it’s not uncommon to run into situations like “I want to replace only a specific string across a table” or “I need to fix incorrect data in bulk.” For example, wh […]
1. Introduction When working with MySQL, you will often encounter situations such as “I want to replace a specific string in bulk” or “I need to update URLs across articles or within the database.” Es […]
1. Introduction The Challenge of 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. F […]
1. Introduction: Common Situations Where FIND_IN_SET Becomes Necessary When working with data in MySQL, you may encounter cases where “multiple values are stored in a single column, separated by comma […]
1. Introduction When managing a database, you may encounter situations such as, “How many different countries have been registered?” or “How many unique email addresses are there?”In such cases, you c […]
1. The shortest SQL to get the current date/time in MySQL If you want to get the current date/time in MySQL, the first functions to remember are NOW() and CURRENT_TIMESTAMP. Below are the shortest SQL […]
1. Introduction When working with databases, handling NULL values is a critical point.In particular, it’s not uncommon for people who are used to Oracle’s NVL function to realize that NVL is not avail […]
1. Introduction When Do You Need to Handle the Current Time in MySQL? In MySQL, retrieving the current time is required in many different scenarios. For example, the following use cases are common: As […]
1. Introduction Getting the current time in MySQL is a crucial part of database management.For example, you may need to retrieve the current time in situations like the following: As you can see, prop […]
1. Get the Current Time in MySQL (Bottom Line: Shortest SQL Cheat Sheet) If you want to get the current time in MySQL, there are only a few SQL functions you need to remember. Below is the shortest an […]