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What is View?
A simple view can be thought of as a subset of a table. It can be used for retrieving data, as well as updating or deleting rows. Rows updated or deleted in the view are updated or deleted in the table the view was formed with. It should also be noted that as data in the original table changes, so does data in the view, as views are the way to look at part of the original table. The results of using a view are not permanently stored in the database. The data accessed by a view is actually constructed using standard T-SQL select command and can come from one to many dissimilar base tables or even other views.
A class invariant is a condition that describes all valid states for an object. It is a logical condition to make sure the correct working of a class. Class invariants must hold wh
Q. Illustrate the Cache Memory Operation? It comprises a copy of a part of main memory contents. When a program is running and CPU tries to read a word of memory (instruction o
What is the difference among "using System.Data;" and directly adding the reference from "Add References Dialog Box"? When you compile a program using command line, you add th
What are the stages of data mining? The procedure of data mining comprises three stages, which are given below: a) The initial exploration b) Model building c) Deploym
Flynn's Categorization Flynn's Categorization is based on multiplicity of data streams and instruction streams observed by CPU at the time of program execution. Let I s and D
i) The width of the sorting + merging circuit is equivalent to maximum number of devices needed in a phase is O(n/2). As in the above diagram maximum number of devices for a given
Which interface controls what is shown on the p.c.? Presentation Interface controls what is shown on the p.c
What are interrupts? Interrupt: An interrupt is a hardware mechanism which enables an external device, classically input/output devices, to send a signal to the CPU. An int
Explain typical packet switching network configuration. Packet Switching: In packet switching the nodes handle greatly smaller data length than are determined in message swit
Q. Convert the following DECIMAL numbers into OCTAL, double check by converting the result OCTAL to DECIMAL. a) 932 b) 4429.625 c) 19
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