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What are primary keys and foreign keys?
Primary keys are the unique identifiers for every row. They must have unique values and cannot be null. Due to their significance in relational databases, Primary keys are the most fundamental of all keys and constraints. A table can have only one Primary key. Foreign keys are both a method of ensuring data integrity and a manifestation of the relationship among tables.
How are problems of clock skew minimized? Clock skew, when done right, can also benefit a circuit. This can be intentionally introduced to reduce the clock period, at that the
Visual basic is useful if you are planning to make the programs from scratch. This language helps you in producing Active x controls, exe files, etc. Visual script is a powerful t
Use the Rational Administrator to: * Make and manage projects. * Make a project under configuration management. * Make a project outside of configuration management.
A shell is a program that presents an interface to several operating system functions and services. The shell is so called because it is an outer layer of interface among the user
third partial product of 13*11 in binary
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 Virtual Packets. The router can't transfer a copy of a frame from one kind of network to other since the frame formats be different. More significantly, the router cann
Determine the benefits of developing prototype According to SOMM [96] benefits of developing prototype are as following: 1. Communication gap between clients and software
Explain how presentation layer helps in establishing and processing data in End to End layers. The idea of the presentation layer is to stand for information to the communicati
This is the MATLAB graphics system. It contains high-level commands for two-dimensional and three-dimensional data visualization, image processing, animation, and presentation grap
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