Tips to open DDL file

Can't open the DDL file? You are not the only one. Thousands of users face similar problems every day. Below you will find tips on how to open DDL files as well as a list of programs that support DDL files.

DDL file extension

File Name Data Definition Language Format
File Category Database Files

The DDL file is supported on 3 operating systems. Depending on your operating system, you may need different software to handle the DDL files. Below is a summary of the number of programs that support and open the DDL file on each system platform.

Operating systems
  • 2
  • 2
  • 2
  • 0
  • 0
  • 0

What is DDL file?

The file in the DDL format belongs to the Database Files category. In addition to this file, the Database Files category includes 403 related files. Data Definition Language Format is supported by 3 operating systems. These systems consist of Linux, Mac OS, Windows, although it may occasionally be found on another system, it will be non-functional. This file type can also be opened by 5 other programs. You can use Text editor in case EclipseLink cannot be used.

How to open DDL file?

The most common problem when using Data Definition Language Format is that a specific DDL is not associated with the program. Thus, when you open DDL, the program selection wizard or some other program starts. This problem can be easily remedied.

The first thing you should do is just "doubleclick" on the DDL file icon you want to open. If the operating system has an appropriate application to support it and there is also an association between the file and the program, the file should be opened.

Step 1. Install EclipseLink

An often overlooked issue is to make sure that EclipseLink is installed on the computer. This can be achieved by typing EclipseLink into the operating system search engine. If it is not, installation may solve the problem, as most applications create file associations during installation. Below you will find a list of applications that support DDL files.

Step 2. Create association of EclipseLink with DDL files

If, despite the installed application, the DDL file does not start in the EclipseLink application, you must create a file association. It is most convenient to call the context menu with the right mouse button and select Properties. The displayed window will contain information about the program that supports this type of file. Using the "Change" button we can select the desired program. If there is no software on the list, simply select "Browse" and manually select the directory where the application is installed. Checking the "Always use the selected program ..." box will permanently associate the DDL file with the EclipseLink program.

Step 3. Update EclipseLink to the latest version

The fault may also lie with the EclipseLink program, it is possible that Data Definition Language Format requires a newer version of the program.

Step 4. Check for the following problems with the DDL file

The problem may also be with the file itself if the above steps don't work. The most common file problems are:

The DDL file may be unusually small compared to the original file. This suggests truncating the DDL file contents when downloading or copying. Downloading the file again should fix the problem.
The most common cause here is computer viruses. A virus scan using an up-to-date antivirus program should fix the problem. If this is not possible, you can use the online scanner. The scan should cover the entire computer, not only the DDL file that we want to open. Sometimes virus-infected DDL files cannot be recovered, so make a backup in advance.
A typical compatibility error - the program does not support the older version of the DDL file. These problems are known and are often very easy to fix using the software developers's website.
There can be many reasons for this. The repair method must be adapted to the type of file and damage. Some programs offer the option of recovering data from damaged DDL files.
When reading, a message appears that the file was encrypted or corrupted. The encrypted DDL files cannot be played on other computers than the one on which they were encrypted, they must be decrypted before using on another device.
Some operating systems do not allow file operations in certain locations, eg in system directories or directly on the system drive. These directories are write-protected to them and it's very hard to fix this problem. If possible, you can try to move the DDL file to another location.
This problem usually affects more complex files. Some file types can only be opened in one program at a time. Running programs (including those in the background) should be verified. Sometimes it is necessary to wait a while before referencing the DDL file again. Some anti-virus or backup software may occupy the DDL file for a certain period of time. If nothing helps, please reset the device.