Looks for user-defined databases that have a collation different from the master or model databases. It is recommended that ...

Looks for user-defined databases that have a collation different from the master or model databases. It is recommended that you not use this configuration because collation conflicts can occur that might prevent code from executing. For example, when a stored procedure joins one table to a temporary table, SQL Server might end the batch and return a collation conflict error if the collations of the user-defined database and the model database are different. This happens because temporary tables are created in tempdb, which obtains its collation based on that of the model database. If you experience collation conflict errors, consider one of the following solutions:
 * Export the data from the user database and import it into new tables that have the same collation as the master and model databases.
 * Rebuild the system databases to use a collation that matches the user database collation.
 * Modify any stored procedures that join user tables to tables in tempdb to create the tables in tempdb by using the collation of the user database. To do this, add the COLLATE database_default clause to the column definitions of the temporary table. For example: CREATE TABLE #temp1 ( c1 int, c2 varchar(30) COLLATE database_default )