Category Archives: General Development
Difference between TRUNCATE and DELETE commands in SQL-Server
TRUNCATE is a DDL command whereas DELETE is a DML command. TRUNCATE is much faster than DELETE. When you type DELETE. All the data get copied into the Rollback Tablespace first. Then delete operation get performed. That’s why when you type ROLLBACK after deleting a table; you can get back the data (The system gets it for […]
A brief introduction to UML
Unified Modeling Language (UML) is a standardized modeling language enabling developers to specify, visualize, construct and document artifacts of a software system. Thus, UML makes these artifacts scalable, secure and robust in execution. UML is an important aspect involved in object-oriented software development. It uses graphic notation to create visual models of software systems. Some […]
ASP.NET State Management techniques
State management is the process by which you maintain state and page information over multiple requests for the same or different pages. As is true for any HTTP-based technology, Web Forms pages are stateless, which means that they do not automatically indicate whether the requests in a sequence are all from the same client or […]
Aggregation & Composition in OOPs
Aggregation and composition in real project define HAS-A relationship. Aggregation differs from ordinary composition in that it does not imply ownership. In composition, when the owning object is destroyed, so are the contained objects. In aggregation, this is not necessarily true. For example, a university owns various departments (e.g., Physics, chemistry), and each department has a […]