Prerequisites: Servlet, JDBC Connectivity...
In many scenarios, we may need to create a dropdown input that can display all the options consistent with the current state of the database. This form of input is used many times in real life and the following examples may help to understand the same....
Spring Data JPA is a method to implement JPA repositories to add the data access layer in applications easily. CRUD stands for create, retrieve, update, delete which are the possible operations which can be performed in a database. In this article, we will see an example of how to access data from a database(MySQL for this article) in a spring boot application using spring data JPA....
This problem describes the date format for inserting the date into MySQL database. MySQL retrieves and displays DATETIME values in ‘YYYY-MM-DD HH:MM:SS’ format. The date can be stored in this format only. However, it can be used with any time format functions to change it and display it....
The MySQL UPDATE query is used to update existing records in a table in a MySQL database....
The <a> (anchor tag) in HTML is used to create a hyperlink on the webpage. This hyperlink is used to link the webpage to other web pages. It’s either used to provide an absolute reference or a relative reference as its “href” value....
What is MySQL? MySQL is an open-source relational database management system (RDBMS). It is the most popular database system used with PHP. MySQL is developed, distributed, and supported by Oracle Corporation....
In this article, we are going to build a Grocery Store Web Application using PHP with MySQL. In this application, we can add grocery items by their name, quantity, status (pending, bought, not available), and date. We can view, delete and update those items. There will be a date filtering feature where we can view the grocery items according to the dates....
What is a database?
Database is a collection of inter-related data which helps in efficient retrieval, insertion and deletion of data from database and organizes the data in the form of tables, views, schemas, reports etc. For Example, university database organizes the data about students, faculty, and admin staff etc. which helps in efficient retrieval, insertion and deletion of data from it....
To insert JSON data into MySQL database using PHP, use the json_decode function in PHP to convert JSON object into an array that can be inserted into the database....
What is a table?
In relational databases, and flat file databases, a table is a set of data elements using a model of vertical columns and horizontal rows, the cell being the unit where a row and column intersect. A table has a specified number of columns, but can have any number of rows....
