0
A: A bar code are nothing but a series of numbers when it reads those numbers depending on the software and intention it can do all sorts of things.
Barcodes are different width lines that are coded into either numbers or characters. In a database you associate a specific encoded value to an item so that when it is scanned by Point of Sale (POS) scanners, the associated software can automatically change the quantity in the database and do various things like bill a credit card, automatically reorder the item and so forth.
There are different barcode standards and usually the database will also include the standard so that the reader and POS software can work properly.
Still curious? Ask our experts.
Chat with our AI personalities
Rene
Rafa
JordanAdd your answer:
Earn +20 pts
Where do you get HTML code reader?
10. hey tag, what's with the code?
Which of these is used to open an database?
Depends on what kind of database you are opening. I only know of OLEDB (Access) database. Dim conn as New System.Data.OledbConnection conn.ConnectionString="C:\a.mdb" conn.Cpen() 'code goes here conn.Close() That's how you open an database.
When is update method called?
Whenever a screen needs redrawing (e.g., upon creation, resizing, validating) the update method is called. By default, the update method clears the screen and then calls the paint method, which normally contains all the drawing code.
What is user defined integrity?
Business rules may dictate that when a specific action occurs further actions should be triggered. For example, deletion of a record automatically writes that record to an audit table. Oracle, and some other RDBMSs, will allow storage of the code to manage these rules within the database itself. That is, in a central data dictionary
Mini project on employee database using linked list on c language code?
mini project data structure
