Inter-process communication allows processes to exchange information. It allows programmers to coordinate activities among various processes
Device management is another major function of an operating system. In the device management task of the operating is to manage I/O and storage devices such as printers, card readers, tapes, disk and supporting devices such as the control unit and control channel. The major tasks of the operating system with respect to device management …
File management is another important function of an operating system. File management is necessary so that the operating system can map files onto physical devices
Virtual memory is a mechanism that creates the illusion of having a very big main memory. With the concept of virtual memory, the user can store processes with size bigger than the available main memory
Segmentation is a non-contiguous memory management technique in which the program is divided into variable size parts called segments.
Contiguous memory allocation is one of the efficient and the easiest way of allocating memory to the processes. Each process is contained in a single
The most popular and widely accepted query language is Structured Query Language-SQL. SQL is used in the design and management of data held in RDBMS.
Constraints and Keys in Database Management System are similar, but they are not the same. However, keys and constraints in Database Management System are same they are not interchangeable.
It is always a hassle and time consuming to create a table in the database and insert the values in it manually. Most of the time we want a predefined data to be used for analyzing the database queries This article describes how to load data with Oracle Database 10g Express Edition. Furthermore, loading data …
Most of the time we want a predefined dataset to be used for analyzing the database queries. It is quite hard to find a good dataset repository for different projects like database, data science, machine learning. If you have ever worked on some database project, you’ve probably have spent most of your time browsing the …