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More Database Systems Related questions:
Which of the following technique is used for fragment?
Options: a technique used in best-effort delivery systems to avoid endlessly looping packets, a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame, one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size, All of the above
Business meeting and conferences can be held by linking distantly located people through a computer network. Not only the participants exchange information but are able to see each other. What is it called?
When a series RLC circuit is operating at its resonant frequency:
Options: capacitive reactance is greater than the inductive reactance, inductive reactance is greater than the capacitive reactance, inductive reactance is equal to the capacitive reactance, the difference between inductive and capacitive reactance is equal to the resistance
After entering all fields required for a table, if you realize that the third field is not needed, how will you remove?
Options: a. You need to delete the whole tablThere is no method to remove a particular field only.
b. Delete all the fields from third downwards and reenter the required fields again.
c. Select the third column in datasheet view then Delete
d. Select the third row in table design view then Delete
Data transformation includes which of the following?
Options: A process to change data from a detailed level to a summary level, A process to change data from a summary level to a detailed level, Joining data from one source into various sources of data, Separating data from one source into various sources of data
Options: Acts as the fastest port to all servers., Provides multiple collision domains on one switch port., Breaks up broadcast domains in a layer 2 switch internetwork., Provides multiple broadcast domains within a single collision domain.
What is an advantage of placing computations in SQL views?
Options: To save users from having to write an expression., To ensure that the results are consistent., To accomplish both of the above., None of the above is correct - computations cannot be placed in a view.