Handling sensitive information, such as phone numbers, is crucial for maintaining user privacy in modern applications. One common requirement is to mask part of a phone number to protect user data while still displaying a portion of it for validation or confirmation. In this blog post, we’ll explore how to mask the first 6 digits of a phone number using MySQL, including the use of the REPLICATE function as well as CONCAT(), RIGHT(), and LPAD(). Let’s walk through the process with practical examples.
Handling sensitive information, such as phone numbers, is crucial for maintaining user privacy in modern applications. One common requirement is to mask part of a phone number to protect user data while still displaying a portion of it for validation or confirmation. In this blog post, we’ll explore how to mask the first 6 digits of a phone number using MySQL, including the use of the REPLICATE function as well as CONCAT(), RIGHT(), and LPAD(). Let’s walk through the process with practical examples.
