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PolyBase で外部データソースとしてKintone を連携利用

CData ODBC Driver for Kintone とSQL Server 2019 のPolyBase を使って、リアルタイムKintone data に外部データソースとしてアクセス。

SQL Server のPolyBase は、データベーステーブルをクエリするTransact-SQL シンタックスを使って、外部データにクエリする仕組みです。 CData ODBC Drivers for Kintone data を組み合わせて使うことで、SQL Server データと同じようにKintone data へのアクセスが可能です。 本記事では、PolyBase 外部データソースへのKintone data の設定から、T-SQL クエリを使ったKintone data へのアクセスを行います。

The CData ODBC drivers offer unmatched performance for interacting with live Kintone data using PolyBase due to optimized data processing built into the driver. When you issue complex SQL queries from SQL Server to Kintone, the driver pushes down supported SQL operations, like filters and aggregations, directly to Kintone and utilizes the embedded SQL engine to process unsupported operations (often SQL functions and JOIN operations) client-side. And with PolyBase, you can also join SQL Server data with Kintone data, using a single query to pull data from distributed sources.

Kintone への接続

If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs. To create an external data source in SQL Server using PolyBase, configure a System DSN (CData Kintone Sys is created automatically).

&service; に接続するには、&rpUser; および&rpPassword; を設定します。さらに、&rpUrl; を設定します。例: または。

Click "Test Connection" to ensure that the DSN is connected to Kintone properly. Navigate to the Tables tab to review the table definitions for Kintone.

Kintone Data の外部データソースの作成

After configuring the connection, you need to create a master encryption key and a credential database for the external data source.

Creating a Master Encryption Key

Execute the following SQL command to create a new master key, 'ENCRYPTION,' to encrypt the credentials for the external data source.


Creating a Credential Database

Execute the following SQL command to create credentials for the external data source connected to Kintone data.

NOTE: IDENTITY and SECRET correspond with the User and Password properties for Kintone.

WITH IDENTITY = 'username', SECRET = 'password';

Create an External Data Source for Kintone

Execute the following SQL command to create an external data source for Kintone with PolyBase, using the DSN and credentials configured earlier.

For Kintone, set SERVERNAME to 'localhost' or '' and leave PORT empty. PUSHDOWN is set to ON by default, meaning the ODBC Driver can leverage server-side processing for complex queries.

CREATE EXTERNAL DATA SOURCE cdata_kintone_source
  CREDENTIAL = kintone_creds

Kintone のExternal Table を作成

After creating the external data source, use CREATE EXTERNAL TABLE statements to link to Kintone data from your SQL Server instance. The table column definitions must match those exposed by the CData ODBC Driver for Kintone. You can refer to the Tables tab of the DSN Configuration Wizard to see the table definition.

Sample CREATE TABLE Statement

The statement to create an external table based on a Kintone Comments would look similar to the following:

  Name [nvarchar](255) NULL,
  Description [nvarchar](255) NULL,
) WITH ( 

Having created external tables for Kintone in your SQL Server instance, you are now able to query local and remote data simultaneously. Thanks to built-in query processing in the CData ODBC Driver, you know that as much query processing as possible is being pushed to Kintone, freeing up local resources and computing power. Download a free, 30-day trial of the ODBC Driver for Kintone and start working with live Kintone data alongside your SQL Server data today.