What is a database? In today’s digital world, every app, website, and online service depends on one important thing: data.To store and manage this data safely, we use something called a database. Understanding What a Database Is A database is ...Read more
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What is a primary key?When we work with databases, one of the first ideas we must understand is how to uniquely identify each record. Just like every student in a class has a unique roll number, every row in a ...Read more
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Details about the trigger.When we work with databases, certain actions—like inserting, updating, or deleting data—often need an automatic response.For example, if a new student is added, maybe we also want to update the total count.Or if an employee’s salary is ...Read more
To open a popup modal using Bootstrap, you’ll need to include the Bootstrap CDN and the necessary JavaScript code in your HTML file. Here are the steps:Include the Bootstrap CSS and JS files in the head section of your HTML ...Read more
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A transaction is a set of SQL statements that are executed as a single unit of work. It allows multiple changes to be made to the database in a way that ensures data integrity.