To achieve AND effect when you are entering criteria in a query design window
Options: a. write criteria values vertically one in a row
b. write criteria values horizontally
c. Write criteria values in same field separated with AND
d. Write criteria values in same field separated with &
Options: consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen., is used for interactive Graphics, is expensive because it is sophisticated and make demands on the power and resources of the computer., All of the above
Which of the following is true concerning triggers?
Options: You do not create them with SQL., They execute against only some applications that access a database., They have an event, condition, and action., They cannot cascade (cause another trigger to fire).
In analyzing the compilation of PL/I program, the term "Lexical analysis" is associated with
Options: recognition of basic syntactic constructs through reductions, recognition of basic elements and creation of uniform symbols, creation of more optional matrix, use of macro processor to produce more optimal assembly code
What is the difference between a conductor and an insulator?
Options: A conductor allows current to flow much easier than an insulator does, An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all, An insulator allows current to flow much easier than a conductor does, The difference between conductors and insulators depends on how they are used
Options: defines a source or destination of system data, identifies data flow, represents a process that transforms incoming data flow(s) into outgoing data flows, is a data store-data at rest, or a temporary repository of data