What Is Procedural Language/Structured Query Language (PL/SQL)?
PL/SQL is the hottest new thing in SQL. It's a structured query language, but it's also a programing language. It combines SQL's querying ability with the bonus of programming features. It may not be as easy as learning Excel, but if you want to get ahead, you need to know how to use PL/SQL. Oracle's implementation of a structured query language. PL/SQL is a powerful tool that combines SQL's querying ability with the bonus of programming features.PL/SQL was introduced in Oracle in 1986 and has been used to create database applications since 1987. PL/SQL is available in all Oracle database versions, including Oracle Database 12c Release 1. In this article, we will learn what procedural language/structured query language (PL/SQL) is, how it works, and its advantages over other programming languages like Java or C++. In the early 1990s, Oracle developed PL/SQL. Since then, PL/SQL has been included wherever SQL is provided. A separate Oracle of PL/SQL engine inside the software is also used to process the code, like SQL. But what is PL/SQL? PL stands for Procedural Language, meaning it's not a declarative language like SQL (Structured Query Language). You can't simply run a query and expect results; you must tell Oracle how to get those results. It also means that you have complete control over what happens in your program instead of letting a database engine do it for you. PL/SQL stands for Procedural Language Extension of SQL, which means it extends the capability of SQL by adding procedural programming elements such as loops and procedures (functions). The Declaration section is optional and contains all the data declarations. Data declarations can be defined using the DECLARE keyword, declared at the beginning of the program. The Execution section is mandatory, and it contains the program itself. This is where you write your logic, so you'll spend most of your time! The Exception section is optional and contains exception-handling logic. This is where you'll take care of errors that might occur during execution or in your codebase.
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Architecture Neutral Distribution Format (ANDF)
So, imagine you're a software developer, and you've just finished creating this fantastic new program. You're ready to share it with the world and let everyone experience the awesomeness that is your code. Please wait. Hold on a sec. Before you start distributing it, you need to think about all the different types of computers and operating systems out there. Will your program work on a Windows machine? What about a Mac? Or Linux? What about all the different architectures, like x86 or ARM? Ensuring your program is compatible with these other systems can take time and effort. Enter ANDF, also known as Architecture Neutral Distribution Format. It's like a superhero cape for your code, making it compatible with various architectures and operating systems. It's like a translator for computer systems, allowing your code to speak the language of any computer it runs on. ANDF is a format for distributing software that is architecture neutral, meaning that it can be run on different types of computers without modification. It's achieved by breaking the code down into smaller, more manageable chunks called modules. These modules can then be translated, or "bound," to the target computer's specific architecture and operating system. This way, your code can run simultaneously on a Windows machine, a Mac, and a Linux machine without any modification. It's also worth noting that ANDF is a binary format, meaning the code is compiled or translated into machine-readable instructions that the computer can execute directly. This is different from a source code format, where the code is written in a programming language that humans can read, but computers need to interpret or compile it before running it. One of the main benefits of ANDF is that it allows for easier software distribution since the same code can be used on multiple systems without modification. This can save developers time and effort since they don't have to create separate versions of their code for each architecture or operating system. It also allows for more efficient use of memory and other resources since the code is bound to the target computer's specific architecture and operating system. This means it can take advantage of specific features or optimizations that may not be available on other systems. In summary, ANDF is a format for distributing software that is architecture neutral, meaning that it can be run on different types of computers without modification. It's achieved by breaking the code into smaller, more manageable chunks called modules, which can then be translated, or "bound," to the target computer's specific architecture and operating system. This allows for easier distribution of software since the same code can be used on multiple systems without modification, and it also allows for more efficient use of memory and other resources.
...See MoreGoogle Play
Do you know what's more socially acceptable than having a tonne of different apps, games, movies, and books stored on your phone? Having them all in a single location is convenient. That location is Google Play, by the way! You can search for whatever it is you're looking for using Google Play, whether it's a brand-new game or an old-school classic, and download it directly onto your device. In addition to this, discovering new content using Google Play is a breeze. Type in a few words that describe what you want to find, and we will show you results from across the Internet. Google Play is an online service portal developed by Google and first introduced to the public in March 2012. Users can download, play, and use games, applications, music, movies, and books from a central location through Google Play, which was initially introduced in 2008 as the Android Market. Google Play is a consolidation of the app market and the search giant's offerings in movies, video, music, and electronic books. Google Play is the company's response to the iCloud and iTunes services offered by Apple. It is a cloud-based service that provides users with an easy method to access their preferred applications and content, regardless of whether they are at home or on the move. Google Play gives you access to all your desired applications and makes suggestions for additional apps to download based on the things you're already into. When you search for new music, movies, or books on Google Play, it will recommend titles for you to check out based on what you already enjoy listening to, watching, or reading. And because it's compatible with social media, users can share their favorite apps on Google Plus (Google+), allowing their friends to check out those apps.
...See MoreKeystroke Logger
You've probably heard of keystroke loggers. They're the kind of thing that can be used to steal someone's identity or hack into their bank account. Did you know they can also be used to track your habits and find out what you like? Keystroke loggers are spyware that can record every keystroke typed into your computer. Using them lets you quickly tell what websites someone visits and what they say in emails. You can also see if they're using social media sites or playing games online, what files they download from the internet, and where they store them on their hard drive. Some people install keystroke loggers to spy on other people's computers—like employers hiring investigators who want evidence against employees who might be stealing money from their company accounts. There are also ways for people to watch themselves by installing these programs on their devices—and there are good reasons! Sometimes, you need to know what's going on. You want to know if your boss is working late or if he's playing poker with his buddies. You want to see which sites your kids are visiting on the computer. You want to know if your significant other is cheating on you, and you want proof before confronting them (or not confronting them at all). Sometimes, you can't just ask someone what they're doing—because they won't tell you the truth or don't know themselves. In these situations, keystroke loggers can come in handy. They are often used by companies that test the security of their systems, but they can also be used by individuals who want to monitor their activities online. Keystroke loggers record every letter or number someone types into their computer—even passwords! They're often able to capture screenshots, so it's easy for users who install these programs to figure out what websites someone visited or what files they opened on their machines.
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