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Articles on Trending Technologies
Technical articles with clear explanations and examples
Difference between Oracle and SQL Server
Both Oracle and SQL Server are enterprise-grade relational database management systems (RDBMS). Oracle is developed by Oracle Corporation and is known for handling large-scale, mission-critical workloads. SQL Server is developed by Microsoft and integrates tightly with the Microsoft ecosystem. Oracle Oracle Database is a multi-model RDBMS widely used in enterprise environments, banking, and telecom. It uses PL/SQL (Procedural Language/SQL) as its procedural extension to SQL. Oracle supports advanced features like Real Application Clusters (RAC), database sharing across users, and PL/SQL packages for modular code organization. It runs on a wide range of operating systems. SQL Server ...
Read MoreDifference between MySQL and SQL Server
Both MySQL and SQL Server are relational database management systems (RDBMS) that use SQL for querying and managing data. MySQL is open source and owned by Oracle, whereas SQL Server is a licensed commercial product developed by Microsoft. MySQL MySQL is an open-source RDBMS that is widely used in web applications. It is free to use under the GPL license, lightweight in storage requirements, and runs on multiple platforms including Linux, Windows, and macOS. MySQL is the database behind many popular platforms like WordPress, Facebook, and Twitter. SQL Server SQL Server (Microsoft SQL Server) is a ...
Read MoreDifference between RDBMS and HBase
RDBMS and HBase are both database management systems but designed for very different use cases. RDBMS uses tables with fixed schemas to represent data and their relationships. HBase is a column-oriented NoSQL database that runs on top of the Hadoop Distributed File System (HDFS), designed for handling massive amounts of data across distributed clusters. RDBMS (Relational Database Management System) RDBMS stores data in structured tables with rows and columns. It uses SQL for querying, enforces a fixed schema, and follows ACID properties (Atomicity, Consistency, Isolation, Durability) to ensure reliable transactions. RDBMS is best suited for structured data with ...
Read MoreDifference between RDBMS and OODBMS
RDBMS and OODBMS are two types of database management systems. RDBMS uses tables (rows and columns) to represent data and their relationships, whereas OODBMS represents data as objects, similar to Object Oriented Programming. Each approach has different strengths depending on the complexity of the data being managed. RDBMS (Relational Database Management System) An RDBMS stores data in structured tables (also called relations). Each table has rows (records) and columns (attributes). Tables are linked using primary keys and foreign keys. SQL is the standard language for querying and managing data in an RDBMS. OODBMS (Object Oriented Database Management ...
Read MoreDifference between OOP and POP
OOP (Object Oriented Programming) and POP (Procedural Oriented Programming) are two fundamental programming paradigms. OOP organizes code around objects and their interactions, while POP organizes code around functions and procedures. OOP (Object Oriented Programming) OOP deals with objects and their properties. A program is structured around objects that contain both data (attributes) and behavior (methods). The major concepts of OOP are − Class/Objects − Blueprints and instances Abstraction − Hiding implementation details Encapsulation − Bundling data with methods that operate on it Polymorphism − Same interface, different behavior Inheritance − Reusing code from parent classes ...
Read MoreDifference between DNS and DHCP
A Domain Name System (DNS) server translates domain names to IP addresses and vice versa. A Dynamic Host Configuration Protocol (DHCP) server automatically assigns IP addresses and other network configuration to devices on a network. Both are essential networking services but serve very different purposes. What is DNS? DNS is a hierarchical and decentralized naming system for computers and other resources connected to a private network or the Internet. It transforms human-readable domain names (like www.example.com) into numerical IP addresses (like 192.168.1.1) that computers use to locate each other. DNS uses UDP (and TCP for larger responses) ...
Read MoreDifference between UMA and NUMA
UMA and NUMA are two shared memory architectures used in multiprocessor systems. They differ in how processors access memory, which affects performance, bandwidth, and suitability for different applications. UMA (Uniform Memory Access) In UMA, all processors share a single memory through one memory controller. Every processor has equal access time to any memory location. UMA is simpler to design and is suitable for general-purpose and time-sharing applications. NUMA (Non-Uniform Memory Access) In NUMA, each processor has its own local memory and can also access remote memory of other processors through multiple memory controllers. Access to local ...
Read MoreDifferences between Difference between getc(), getchar(), getch() and getche() functions
All of these functions are used to read a character from input and each returns an integer value. They differ in where they read from, whether they use a buffer, and whether they echo the character to the screen. getc() getc() reads a single character from any input stream (file, stdin, etc.). It uses a buffer and waits for the Enter key. Returns EOF on failure. Syntax − int getc(FILE *stream); getchar() getchar() reads a single character from standard input only. It is equivalent to calling getc(stdin). It uses a buffer and ...
Read MoreDifferences between Interface and class in Java
In Java, both classes and interfaces are fundamental building blocks of object-oriented programming. A class provides a complete blueprint for objects, while an interface defines a contract of behaviors that implementing classes must follow. Class A class is a blueprint from which individual objects are created. A class can contain the following variable types − Local Variables − Defined inside methods, constructors, or blocks. They are created when the method is called and destroyed when it completes. Instance Variables − Declared within a class but outside any method. They are initialized when the class is instantiated ...
Read MoreDifference between Application context and Beanfactory in Spring framework
The Spring framework provides two IoC (Inversion of Control) containers for managing, configuring, and manipulating beans − BeanFactory and ApplicationContext. The ApplicationContext interface extends BeanFactory to provide additional enterprise-level functionality. In modern Spring versions, ApplicationContext has largely replaced BeanFactory, though BeanFactory still exists for backward compatibility. Since Spring 2.0 and above, the BeanPostProcessor extension point is used extensively. If you use BeanFactory directly, some features such as AOP proxying and transaction management will not work without extra manual configuration. BeanFactory BeanFactory is the simplest IoC container. It uses lazy loading − beans are created only when ...
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