Options: Oracle views cannot use the ORDER BY clause in view definitions., Oracle views are created using the standard SQL-92 CREATE VIEW command., Oracle views can by queried., The SQL-92 standard does not allow the use of the ORDER BY clause in view definitions.
. How can a user open the Expression Builder dialog box?
Options: a. By clicking the drop-down arrow on the Control Source property
b. By clicking the drop-down arrow of the Input Mask property in the Data tab
c. By clicking the Build button of the Input Mask in the Data tab
d. By clicking the Build button of the Control Source property in the Data tab
Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost.
Options: P I (K + 1), KIK (1 + F), 1/ (1 - F), K I (K - P)
The memory address of fifth element of an array can be calculated by the formula
Options: a. LOC(Array=Base(Array)+w(5-lower bound), where w is the number of words per memory cell for the array
b. LOC(Array)=Base(Array)+(5-lower bound), where w is the number of words per memory cell for the array
c. LOC(Array)=Base(Array)+(5-Upper bound), where w is the number of words per memory cell for the array
d. None of above
. What happens when a user double-clicks an object in the Project pane of the Visual Basic Editor?
Options: a. The associated code is displayed in the Code pane.
b. The associated code is displayed in a new window.
c. The object is deleted from the Project pane.
d. The object’s property sheet opens.
In an experiment in which a new drug was being tested on 1000 rats, which one of the following would a computer be least able to do?
Options: determine the total amount of drug that had been given to all 1000 rats keep records of weight changes of the 1000 rats, keep records of the dosages and the dates the drug was given to each rat, determine the total dosage that had been given to each rat, keep records of weight changes of the 1000 rates
Which of the following statements, is (are) not true for the lease option
Options: Lease charges are lower than rental charges for the same period and are also tax deductable., Lease may be written to show higher payments is early years to reflect the decline in value of the system, Insurance, maintenance and other expenses are included in the rental charge, All of the above
Options: decides which program to run, counts the number of instructions that have been executed, contains the address of the next instruction to be executed, is where arithmetic is done in a computer.