Reference table and a reference field, Computer Engineering

Assignment Help:

A field containing currency amounts (data type CURR) must be assigned to a reference table and a reference field. Explain.

As a reference table, a system having all the valid currencies is assigned or any other table, which have a field with the currency key format.  This field is known as reference field.  The assignment of the field having currency amounts to the reference field is made at runtime.  The value in the reference field verifies the currency of the amount.

 


Related Discussions:- Reference table and a reference field

What do you mean by decoders, Q. What do you mean by Decoders? Decoder ...

Q. What do you mean by Decoders? Decoder transforms one kind of coded information to other form. A decoder has n inputs and one enable line (sort of selection line) and 2 n ou

Assessing heuristic searches , Assessing Heuristic Searches: Given a p...

Assessing Heuristic Searches: Given a particular problem you want to build an agent to solve, so there may be more than one way of justifying it as a search problem, more than

Explain conditions under which a deadlock situation arise, What are conditi...

What are conditions under which a deadlock situation may arise? A deadlock situation can arise if the following four conditions hold concurrently in a system:  a. Mutual exc

Terminates a particular pvm process, Q. Terminates a particular PVM process...

Q. Terminates a particular PVM process? int pvm_kill( int tid ) Terminates a particular PVM process. tid Integer task identifier of PVM process to be killed (not itself).

Define throughput, Define throughput?  Throughput in CPU scheduling is ...

Define throughput?  Throughput in CPU scheduling is the number of processes that are completed per unit time. For long processes, this rate might be one process per hour; for s

The statement vline is used to insert vertical lines, Like ULINE the statem...

Like ULINE the statement VLINE is used to insert vertical lines. No , Vline is not used to insert vertical lines.

Loosely coupled systems, Loosely Coupled Systems These systems do not d...

Loosely Coupled Systems These systems do not distribute the global memory because shared memory concept gives rise to the difficulty  of memory conflicts, which in turn slows d

Specify the default alignment, Specify the default alignment for the follow...

Specify the default alignment for the following field types: 'D' - Left, 'F'-Right, 'N'-Left, 'I'-Right, 'T'-Left.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd