SQL Backup very LARGE (all of a sudden)

Hi All,

so to move updates from my DEV Env to the TEST Env, i simply backup the SQL Database and restore in TEST. Working easy and quick.

(i have to move the .bak from one Location to another via internet/vpn tunnel)

So far the Backup file was around 120 MB , fairly small and quick to transfer.

All of a Sudden the Backup File has a whapping 3.5 GB , and i mean from last week to today. I am not talking about Modelstore, i am talking the Table Database.

This makes transfering data much harder, what happened ? Can anyone help please?

I did export the modelstore in a seperate step before hand. But this wasnt the first time i did this.