/// <summary>Snippet for CreateDatabase</summary>
        public void CreateDatabase_RequestObject()
        {
            // Snippet: CreateDatabase(CreateDatabaseRequest,CallSettings)
            // Create client
            DatabaseAdminClient databaseAdminClient = DatabaseAdminClient.Create();
            // Initialize request argument(s)
            CreateDatabaseRequest request = new CreateDatabaseRequest
            {
                ParentAsInstanceName = new InstanceName("[PROJECT]", "[INSTANCE]"),
                CreateStatement      = "",
            };
            // Make the request
            Operation <Database, CreateDatabaseMetadata> response =
                databaseAdminClient.CreateDatabase(request);

            // Poll until the returned long-running operation is complete
            Operation <Database, CreateDatabaseMetadata> completedResponse =
                response.PollUntilCompleted();
            // Retrieve the operation result
            Database result = completedResponse.Result;

            // Or get the name of the operation
            string operationName = response.Name;
            // This name can be stored, then the long-running operation retrieved later by name
            Operation <Database, CreateDatabaseMetadata> retrievedResponse =
                databaseAdminClient.PollOnceCreateDatabase(operationName);

            // Check if the retrieved long-running operation has completed
            if (retrievedResponse.IsCompleted)
            {
                // If it has completed, then access the result
                Database retrievedResult = retrievedResponse.Result;
            }
            // End snippet
        }