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In this article, I will show you about the PHP prepared statements in PDO, their avantages and how to use them effectively. What is PHP prepared statements in PHP? Prepared statements for executing a plurality of the same SQL statement, when a database server executes a query, it goes through two main phases: preparation and execution. Preparation – the database server checks the syntax of the SQL statement and initializes internal server resources for the execution stage. Execution – the…

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What is Microsoft SQL Server used for? Microsoft SQL Server is a relational database management system (RDBMS) that supports a wide variety of transaction processing, business intelligence and analytics applications in corporate IT environments. Is SQL Server from Microsoft? Microsoft SQL Server is a relational database management system developed by Microsoft. Today SQL Server 2022, the most Azure-enabled release of SQL Server yet, with continued innovation in performance, security, and availability. The rise of data represents a tremendous opportunity and also poses challenges. Companies…

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Annotation has been a part of the core Java API from JDK5 onwards. Annotation means adding comments or instructions into the Java code so that the compiler provides a special treatment to the designated element. This feature, when incorporated appropriately, can leverage productivity by reducing bugs in the code. Annotation instructs the compiler to enforce some specific rules. These rules, if violated, crop compiler time errors. Errors are better managed if they surface during compilation simply because error messages often…

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The concept of inheritance is one of the most important concepts in object-oriented programming, because it irreversibly affects how Java code is written. Inheritance is a mechanism for creating a new class from an existing class by providing properties and methods. Inheritance is the third paradigm (how to use techniques/mold) of object-oriented programming (the first being encapsulation, the second the class structure). Inheritance can be single or multiple.It represents the relationship: is a kind of Example: A car is a…

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This framework has been around long enough but it is not still mentioned as one of the most used frameworks. It does bring some useful features nevertheless. Some developers have been using it for specific actions such UI components because it can be executed in the browser. Let me introduce you to this framework as succinct as possible.  What is GWT? Google Web Toolkit (GWT) is a framework obviously created by Google to create rich internet applications in Java. It…

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About Apache Struts In the last 20 years on the market, the Apache Struts frameworks is still widely used by enterprises globally. Apache Struts is robust open-source framework for web applications. It follows the MVC (Model-View-Controller) model and extends the JSP API. Struts are easy to set up and provides much more flexibility and extensibility over the traditional MVC approach using servlets and JSP alone. It can be a good starting point for your career as a web developer. What is…

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Polymorphism means « many forms », and it occurs when we have many classes that are related to each other by inheritance. Like we specified in the previous chapter; Inheritance lets us inherit attributes and methods from another class. Polymorphism uses those methods to perform different tasks. This allows us to perform a single action in different ways. For example, think of a superclass called Animal that has a method called animalSound(). Subclasses of Animals could be Pigs, Cats, Dogs, Birds –…

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1. Introduction to Spring Framework Spring Framework is a Java platform that provides comprehensive infrastructure support for developing Java applications. Spring handles the infrastructure so you can focus on your application. Spring enables you to build applications from “plain old Java objects” (POJOs) and to apply enterprise services non-invasively to POJOs. This capability applies to the Java SE programming model and to full and partial Java EE. Examples of how you, as an application developer, can use the Spring platform advantage:…

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