How does Ajax help to build effective Web pages?
What will be an ideal response?
Ajax makes it possible to display much less data on a page, thereby making the output less cluttered and less confusing.
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A procedure in an application needs to store student data. The student first name, student last name, student GPA, and whether or not the student is registered all need to be stored. Write the appropriateDimstatements to declare the variables. Make sure to use appropriate naming conventions.
What will be an ideal response?
The transactions T, U and V use strict two-phase locking and their requests are interleaved as follows:
Assuming that the recovery manager appends the data entry corresponding to each Write operation to the log file immediately instead of waiting until the end of the transaction, describe the information written to the log file on behalf of the transactions T, U and V. Does early writing affect the correctness of the recovery procedure? What are the advantages and disadvantages of early writing?