Google Cloud Spanner now supports foreign keys: https://cloud.google.com/spanner/docs/foreign-keys/overview. The JDBC driver should return information about the foreign keys in a database in its DatabaseMetadata methods.
Google Cloud Spanner now supports foreign keys: https://cloud.google.com/spanner/docs/foreign-keys/overview. The JDBC driver should return information about the foreign keys in a database in its DatabaseMetadata methods.