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It is recommended that you set the cross db ownership chaining
database flag for SQL Server instance to off
.
The cross db ownership
option is used to configure cross-database ownership chaining for an instance of Microsoft SQL Server. This server option allows you to control cross-database ownership chaining at the database level or to allow cross-database ownership chaining for all databases. Enabling cross db ownership
is not recommended unless all of the databases hosted by the instance of SQL Server must participate in cross-database ownership chaining, and you are aware of the security implications of this setting. This recommendation is applicable to SQL Server database instances.
Updating flags may cause the database to restart. This may cause the database to be unavailable for a short amount of time, so this is best done at a time of low usage. You should also determine if the tables in your databases reference another table without using credentials for that database, as turning off cross database ownership will break this relationship.
Some database flag settings can affect instance availability or stability, and remove the instance from the Cloud SQL SLA. For information about these flags, see Operational Guidelines.
Configuring the cross db ownership chaining
flag does not restart the Cloud SQL instance.
Note: The command to set database flags overwrites all database flags previously set. To keep the existing settings while adding new flags, include the values for all flags to be set on the instance. Cloud SQL sets any flag not specifically included in the list to its default value. For flags that do not take a value, specify the flag name followed by an equals sign ("=").
cross db ownership chaining
from the drop-down menu, and set its value to off
.Configure the cross db ownership chaining
database flag for every SQL Server database instance using the below command:
gcloud sql instances patch <INSTANCE_NAME> --database-flags "cross db ownership chaining=off"