What is a .4DD file?
The file extension .4DD is associated with a type of file known as a 4th Dimension Database Data File. This kind of file is created and used by a software development program called 4th Dimension, or 4D for short. The .4DD file contains the actual data that is used and managed by a database created in 4D. This data can include various types of information, depending on what the database is designed to hold, such as text, numbers, dates, and more.
In a 4D database system, there is another important file type with the extension .4DB. This .4DB file holds the structure of the database, which means it defines how the data is organized, but it does not contain the actual data itself. The .4DD file works together with the .4DB file; the .4DB file outlines the structure, and the .4DD file fills in that structure with the actual data.
One of the features of the 4th Dimension software is that it allows users to manage the size of the .4DD data files. Over time, as data is added, deleted, or modified, the .4DD file can become larger and possibly less efficient. To help with this, 4D includes a command called "Compact data file." When this command is used, either through 4D Developer or 4D Server, it cleans up the .4DD file, removing unused space and potentially making the file smaller and the database run faster.
To open a .4DD file, you will need the 4D 4th Dimension software. This software is specifically designed to work with .4DD and .4DB files, allowing users to create, modify, and manage their 4D databases. Without this software, it would be difficult to view or edit the data in a .4DD file since it is formatted to be read by the 4D system.
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