We have found one software suitable in our database for this conversion.
MDB (MS Access database) to SDF (SQL Server database) conversion is possible, and can be done with some of the dedicated database conversion tool, like Full Convert Enterprise. It seems that mdb to sdf conversion is most likely used for the purposes of the data transfer from Access database to SQL format.
Updated: November 4, 2022
MDB
An mdb file extension is used by Microsoft Access database management system for its main database files. MDB format was replaced in later version of Microsoft Office by ACCDB format. Access mdb databases can usually be opened in or imported to most database management systems, such as dBase, Oracle etc.
SDF
Files with sdf file extension can be mainly found as compact SQL databases from Microsoft SQL Server.