PHP

There are times in a web application where you want to populate a dropdown list based on the value of another drop down list. Scenarios like this can be populating a Country’s State dropdown based on the value of the Country selected, populating product sub-categories based on the parent category. In this example, we will be creating a dropdown list for category/subcategory for a product in an eCommerce website. Create a database called dependent_list.

Sqlite is a relational database management system contained in a small C programming library. Sqlite is a popular embedded database system that stores records in a little file on the system source code. Data can be retrieved through the use of write and read ability of sqlite. Moreover, Instead of saving the record into a RDMS tool like “phpmyadmin”, Sqlite can be used instead as it will save the record into a separate file on the host machine. To create a contact us page on our website using sqlite.