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Data Modeling vs Process Modeling Data modeling is the process of creating a conceptual model of data objects and how the data objects associate with each other in a database. Data modeling focuses on how the data objects are organized than on the operations that are performed on data. Process modeling or specifically Business Process […]
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Enumeration vs Iterator There are many data structures that act as collections in Java such as Vectors, Hash tables and classes that implements Java Collections Framework (i.e. HashMap, HashSet, ArrayList, TreeSet, TreeMap, LinkedList, LinkedHashMap and LinkedHashSet). There are numerous ways to iterate through the individual elements of the objects in Java. Java provides two interfaces […]
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SAP vs ORACLE The acronym SAP stands for Systems, Applications and Products in Data Processing. SAP is an Enterprise Resource Planning (ERP) software that integrates several business applications, which are designed for specific business areas. Today, many large corporations such as IBM and Microsoft use SAP products for running their businesses. Oracle database (simply referred […]
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XML Schema vs DTD XML stands for EXtensible Markup Language. It is defined in the XML 1.0 specification, which is developed by the W3C (World Wide Web Consortium). XML provides a standard way, which is also simple, to encode data and text such that the content could be exchanged across driver hardware, operating systems and […]
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Conventional Testing vs Object Oriented Testing Software Testing is one of the most important steps in the software development process. Software testing makes sure that the developed software satisfies all customer requirements and executes without errors. As the software developments paradigms and techniques has shifted from the initial waterfall software development to OOD/Agile and other […]
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Server vs Desktop In general, a server could refer to a computer program running to satisfy requests from clients that are coming from the same machine or different computers in the network, or the physical computer that is actually running such a program. Simply, a server can be seen as a software service running on […]
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GRUB vs LILO Boot loader is the program that loads the operating systems when the computer is turned on. Typically, boot loaders give the ability to select from a list of operating systems to load during the startup of the computer. So, boot loader allows the coexistence of multiple operating systems on the same machine. […]
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Semaphore vs Monitor Semaphore is a data structure that is used to make sure that multiple processes do not access a common resource or a critical section at the same time, in parallel programming environments. Semaphores are used to avoid dead locks and race conditions. Monitor is a programming language construct that is also used […]
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实体vs Attribute Entity-relationship modeling (ERM) technique is widely used for modeling databases. Entity-relationship modeling is the process of coming up with an abstract and conceptual representation of data. One of the main building blocks of ERM is an entity. Entity represents a real world object or a thing that can stand on its own […]
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Fourth Generation vs Fifth Generation Programming Languages (4GL vs 5GL) A programming language is a non-natural language used to present the computations that a machine can perform. Very first programming languages (often called 1st generation languages or 1GL) were mere machine code consisting of 1’s and 0’s. Programming languages have evolved tremendously over the past […]