- Trending Categories
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Introduction This article simplifies how you can leverage real-world examples, syntaxes and programming techniques in PL/SQL to master printing different types of patterns effectively. Examples of Pattern Printing in PL/SQL We'll cover how to create pyramid patterns, diamond patterns, and number patterns with their respective code snippets and syntax. Going through the present section, you will have a clear understanding of how to implement these patterns in your PL/SQL programs. Pyramid Pattern For a comprehensive understanding of pattern printing in PL/SQL, delving into the pyramid pattern is an ideal starting point. Here's how to design a pyramid pattern using ... Read More
Introduction As an open-source, distributed NoSQL database system renowned for its ability to manage large amounts of structured data, mastering Cassandra's varying data types is crucial to fully leveraging its robust design. This article will walk you through the critical elements like built-in and collection datatypes, equipping you with knowledge that can help you optimize your database operations with ease. Built-In Data Types in Apache Cassandra Apache Cassandra provides a wide range of pre-defined data types, including numeric types, text types, date types, counter type, and other custom data types. Numeric Types It offers various numeric data types that cater ... Read More
Introduction Navigating the complex world of PostgreSQL system architecture can be challenging, especially when it comes to optimizing your database management. As one of the most advanced relational databases worldwide, understanding its intricacies is crucial for effective data handling. This article provides a comprehensive guide on the inner workings of PostgreSQL's architecture, from client-side processes to potential scalability issues. Ready to decode this essential piece of any modern software infrastructure? Let's dive in! Overview of PostgreSQL System Architecture The PostgreSQL system architecture consists of various components, including client-side processes, the Postmaster daemon process, back-end processes, and shared pool. Client-side Process ... Read More
Introduction Water molecules are maintained close to one another by an unknown force, as is common knowledge. The molecules can travel around without restriction. However, in addition to this force, the water molecules also have some kind of thermal energy, which is generated by extraordinarily fast vibrations. As a result, molecules at the surface move or vibrate with such strength that they escape into the atmosphere and turn into vapour. It is known as evaporation. The process is also reversible, allowing molecules to reassemble to create liquids. Condensation describes this. Although these words tend to sound similar, the processes they ... Read More
Introduction In the field of chemistry, studying chemical bonds is crucial as well as fascinating. In reality, a bond serves as a force that holds atoms together while they interact. Chemical bonds can also be divided into many types, including ionic, covalent, polar, and hydrogen connections. In addition to the bonds mentioned above, there are numerous other kinds of bonds. We will go into detail on the covalent bonds known as sigma bonds and pi bonds in this section. Covalent bonding does play a critical role in the existence of chemicals. The essay will also aid in providing a clear ... Read More
Introduction Before the 18th century, soaps were not developed. Around 1790 the soaps are manufactured from sodium chloride i.e. common salt in the form of caustic soda (Sodium Hydroxide). Then around 1823 to 1889 chemist Michel Eugene discovered the manufacturing of soap from natural oils and fats. Detergents were manufactured in around 19’s as synthetic cleaners. Detergents are manufactured in America for cleaning and dishwashing purposes. People get confused about soap and detergents but they are two separate reagents. Soaps are manufactured from natural ingredients whereas detergents are synthetic material sulfonates of alkyl benzene ($\mathrm{RSO_{4}}$). What are Soaps? Soaps are ... Read More
Introduction A hydrogen atom weighs the least. Hydrogen is a gas with the formula 𝐻2 that exists normally. It is made up of diatomic molecules. In addition to being very combustible, it has no colour or smell. With approximately 75% of all normal matter made up of hydrogen, it is the most prevalent chemical element in the universe. Plasma hydrogen makes up most of the material that makes up stars like the Sun. In molecular forms like water and organic molecules, hydrogen is mostly present on Earth.Hydrogen is a chemical element with the atomic number one and the symbol 𝐻. ... Read More
Introduction The functional group has a direct effect on monosubstituted benzene. The pace of reaction and the site of attack when mono substituted benzene is electrophilic ally attacked vary depending on the functional group connected to it. Benzene is a significant industrial chemical, but its toxicity prevents it from being used extensively in consumer goods. The currently existing substituent can increase or decrease the frequency of subsequent substitution by either activating or deactivating the benzene ring. The directive impact of benzene, mono substitution, and a group of para directing will all be covered in this essay. Benzene Benzene, an ... Read More
Introduction Are you struggling with the organization and retrieval of your data files? In fact, effective handling of file records on disks is a common challenge faced in managing digital storage systems. This article will provide insights into different techniques for placing file records on disk to optimize your data storage and management system. Read on to discover how proper file placement can revolutionize your data accessibility! File Organization and Disk Storage File organization and disk storage refer to the methods and techniques used to efficiently store and retrieve data on secondary storage devices such as magnetic disks, tapes, and ... Read More
Introduction Chemistry is indeed the scientific study of these three types of matter: elements, compounds, as well as mixtures. A compound is developed if two or more individuals interact chemically as well as mix in a fixed proportion. A chemical expression that represents the ratio wherein the components have interacted to yield a compound. Molecular compounds, as well as salts, are examples of compounds. A mixture is formed when two or more elements have been mixed collectively in such a way that they often not react chemically but also keep all of their characteristics. Substances merely merge physically yet do ... Read More