Using the sp_dboption procedure

Use sp_dboption to change settings for an entire database. The options remain in effect until they are changed. sp_dboption:

You can change options for user databases only. You cannot change options for the master database. To change a database option in a user database (or to display a list of the database options), execute sp_dboption while using the master database.

The syntax is:

sp_dboption [dbname, optname, {true | false}] 

To make an option or options take effect for every new database, change the option in the model database.