How can I use query builders in my application?

How can I use query builders in my application?

Query builders allow you to construct SQL queries programmatically. They provide a fluent interface to build queries without writing raw SQL.

Can you give me an example of a query builder in action?

Sure! For instance, in PHP with Laravel, you can use the Query Builder like this: DB::table('users')->where('active', 1)->get();.

What are the advantages of using a query builder over raw SQL?

Using a query builder can enhance security by preventing SQL injection, improve readability, and make it easier to build complex queries.

Are there any downsides to using query builders?

One downside is that query builders can sometimes be less performant than raw SQL for very complex queries, as they add an abstraction layer.