What Is a DDL File?

A file with the DDLfile extensionis an SQL data definition language file.

Other command examples includeDROP, RENAME, andALTER.

DDL files in Windows that open with Notepad

In fact, plenty of SQL data definition language files end in .SQL.

One gives you theUltimateedition and the other is for theCommunityedition.

Another option is to use the free onlineCode Beautifyconverter.

Still Can’t Open It?

Some file extensions look awfully similar, but that doesn’t mean their file formats are related.

The same is true for DDD files.

Just like with the DLL example, you need an entirely separate program to open them.

FAQ

MySQLis an open-source tool for managing relational databases for online applications.

MySQL supports both DDL and DML commands.

DML commands include UPDATE, INSERT, and MERGE.