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

Application and factors related to scanners, Q. Application and factors rel...

Q. Application and factors related to Scanners? When you purchase a scanner there are various factors which can be looked at: Compatibility of Scanner with your Computer, The T

Explain the isa and hasa class relationships, How would you implement each ...

How would you implement each in a class design? Ans) A specialized class "is" a specialization of another class and, thus, has the ISA relationship with the other class. An Em

Classify computer systems according to capacity, Classify computer systems ...

Classify computer systems according to capacity. How they are different from computers according to the classification of technology. Provide comparative study also

Error detection mechanism must be in-built, Error detection mechanism may i...

Error detection mechanism may include checking mechanical and data communication errors. These errors must be reported to processor. The illustrations of kind of mechanical errors

Usb communication - computer architecture, Data packets: USB communica...

Data packets: USB communication takes the form of packets. Originally, all packets are sent from the host, using the root hub and possibly more hubs, to components. Some of th

Explain the following the address instruction, Explain the following the ad...

Explain the following the address instruction?  Three-address instruction-it can be represented as add a,b,c Two-address instruction-it can be shown as Add a,b

Navigation to a subsequent screen, Navigation to a subsequent screen can be...

Navigation to a subsequent screen can be specified statically/dynamically Yes, navigation to a subsequent screen can be specified statically.

What is a digital multiplexer, What is a digital multiplexer?  Ans: ...

What is a digital multiplexer?  Ans: Multiplexer: Data selector or MUX is a logic circuit selects binary information from one of several input and directs this to a sing

Implication connective - modus ponens rule, Implication connective - Modus ...

Implication connective - Modus ponens rule: We notice that this is a trivial example, so it highlights how we use truth tables: as the first line is the only one when both abo

Bit serial associative processor (bsap), Bit Serial Associative Processor (...

Bit Serial Associative Processor (BSAP) : When the associative processor accepts bit serial memory organization then it is known as bit serial associative processor. While only one

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