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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.
Which transmission mode is used for data communication along telephone lines? Serial transmission mode is utilized for data communication along telephone lines.
What is a Priority Interrupt? A priority interrupt is an interrupt that establishes a priority over the various sources to determine which condition is to be serviced first whe
Briefly explain how server form post-back works? Post Back: The process in which a Web page sends data back to the similar page on the server. View State: View State is the m
define modularity
The idea of clustering is defined as use of multiple computers naturally multiple storage devices, PCs or UNIX workstations and their interconnections to make what emerges to users
How object oriented development is dissimilar from structured development object oriented development is dissimilar from structured development of the system. In the structure
Const and volatile keywords should not be used together due to both are opposite in nature. A variable is declared as "const" means its value is not able to be altered but if i
An exchange uses a -40 V battery to drive subscriber lines. A resistance of 250 ohms is placed in series with the battery to protect it from short circuits. The subscribers are req
Perceptrons in artificial neural network- Artificial intelligence: The weights in any ANN are always only real numbers and the learning problem boils down to selecting the best
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
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