code: public final void dropDatabase(String database) {
  
      DropDatabaseRequest request = DropDatabaseRequest.newBuilder().setDatabase(database).build();
      dropDatabase(request);
    }
docs: Drops (aka deletes) a Cloud Spanner database.
  
  <p>Sample code:
  
  <pre><code>
  try (DatabaseAdminClient databaseAdminClient = DatabaseAdminClient.create()) {
  DatabaseName database = DatabaseName.of("[PROJECT]", "[INSTANCE]", "[DATABASE]");
  databaseAdminClient.dropDatabase(database.toString());
  }
  </code></pre>
  
  @param database Required. The database to be dropped.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails