Devgems Data Modeler is a powerful software tools allowing you to design databases. It also lets you to generate SQL script to update your database structure to another version and also give you the option of accessing database structure information dynamically from Delphi / C++Builder application.
Data transmission - Cabling ShowCabling types
Several physical data-transmission media are available to connect together the various devices on a network. One possibility is to use cables. There are many types of cables, but the most common are:
Coaxial cable
Double twisted...
Data transmission - The physical connection ShowWhat is a transmission channel?
A transmission line is a connection between two machines. The term transmitter generally refers to the machine that sends the data while receiver refers to the one receiving the data. The machines can sometimes be...
Data transmission - Introduction ShowData representation
The purpose of a network is to transmit information from one computer to another. To do this, you first have to decide how to encode the data to be sent, in other words its computer representation. This will differ according to...
Backup Outlook 2003 data ShowBackup Outlook 2003 data
All Outlook 2003 data ( Emails, Agenda, Contacts, Tasks...) are in one file with .pst extension
The file is in the following default folder:
C:\Documents and Settings\Login\Local Settings\Application...
[Ingres] Importing/ Exporting data Show[Ingres] Importing/ Exporting data
Making use of these commands
copydb
unloaddb
Notes
Ingres allows you to export data from an Ingres installation to another (it is a platform independent procedure).
unloaddb
copydb
The main...
Excel – How to extract partial data? ShowExcel – How to extract partial data?
Issue
Solution
Note
Issue
I have an Excel spreadsheet that contains around 1500 html links.
All the addresses start out common... i.e. http://www.frogs.com/. What I want to extract into another...
OOP - Data encapsulation ShowThe concept of encapsulation
Encapsulation is a way of organising data and methods into a structure by concealing the the way
the object is implemented, i.e. preventing access to data by any means other than those specified. Encapsulation...
Data transmission - Analogue transmission ShowThe principles of analogue transmission
Analogue data transmission consists of sending information over a physical transmission medium in the form of a wave. Data is transmitted via a carrier wave, a simple wave whose only purpose is to transport...
Spreadsheets - Data Entry ShowCell Content
A cell of a worksheet can contain a value or be empty. The value of a cell has two essential characteristics:
a type, which means the intrinsic type of the data. There are generally three types of values:
numeric values, for example...