Microsoft sql change database collation

Since we have created the CS collation the collation here is showing CS. But by default the collation is CI. If we want to check the collation of a column of a table then we can check it when creating the column like this:. Office Office Exchange Server. Not an IT pro? United States English. Post an article. Subscribe to Article RSS. Server-level collation in Azure SQL Managed Instance can be specified when the instance is created and cannot be changed later.

You can set server-level collation via Azure portal or PowerShell and Resource Manager template while you are creating the instance. Migrating a database from SQL Server to Managed Instance with the server-level collations that are not matched might cause several unexpected errors in the queries.

You cannot change the server-level collation on the existing Managed Instance. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. This operation is easy to implement, but may become a blocking issue for large tables and busy aplications.

See the following example for an in-place conversion of the MyString column to a new collation:. Copy data to new tables that use the new collation, and replace original tables in the same database. Create a new table in the current database that will inherit the database collation, copy the data between the old table and the new table, drop the original table, and rename the new table to the name of the original table.

This is a faster operation than an in-place conversion, but may become a challenge when handling complex schemas with dependencies such as Foreign Key contraints, Primary Key constraints, and Triggers.

It would also require a final data syncronization between the original and the new table before the final cut-off, if data continues to be changed by applications.

See the following example for a "copy and replace" conversion of the MyString column to a new collation:. Copy data to a new database that uses the new collation, and replace the original database. This is a simpler approach for complex schemas. It would also require a final data syncronization between the original and the new databases before the final cut-off, if data continues to be changed by applications. If you are creating a new database, right-click Databases and then click New Database.

If you do not want the default collation, click the Options page, and select a collation from the Collation drop-down list. Alternatively, if the database already exists, right-click the database that you want and click Properties. Click the Options page, and select a collation from the Collation drop-down list.

Copy and paste the following example into the query window and click Execute.