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What is relational database?
Relational database has data that is perceived as tables. A relational DBMS manages tables of data and associated structures that enhances the functionality and performance of tables. All RDBMSs support a common core of SQL for explaining tables, manipulating data in tables and controlling access to tables.
Question 1: You want to perform the task of setting an alarm on your mobile phone. You can assume that the alarm option is accessible from the main menu of your phone. (a) P
What is an I/O buffer? What is the advantage of buffering? Is buffering always effective? Justify your answer with help of an example. One type of I/O requirement arises from
Question 1: a. Give NINE general properties of an MIS b. Name and explain the THREE main Problems and Issues of EIS Question 2: a. What are information systems for?
What is Cursor? Cursor is a database object used by applications to manipulate data in a set on a row-by- row basis, instead of the typical SQL commands that operate on all the
The following is taken from the first edition of the Set Book. We have included this because we find these characteristics helpful. We will refer to them later. In addition to t
The heart of an experts systems is the powerful corups of knowledge that accumulates during system building. The knowledge is explicit and organized to simplify decisio
Q. What is span of control? Span of control tells the ratio among superiors and subordinates. Generally organizations are having two different types of spans. They are Wide Spa
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Why is TCP called end-to-end protocol? TCP is termed as an end-to-end protocol as this provides a connection directly by an application in one computer to an application on a r
Flag is a flip-flop used to kept the information about the status of a processor and the status of the instruction implemented most recently A software or hardware mark that si
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