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PolyBase で外部データソースとしてMYOB AccountRight を連携利用

CData ODBC Driver for MYOB AccountRight とSQL Server 2019 のPolyBase を使って、リアルタイムMYOB AccountRight 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 MYOB AccountRight data を組み合わせて使うことで、SQL Server データと同じようにMYOB AccountRight 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MYOB AccountRight data の設定から、T-SQL クエリを使ったMYOB AccountRight data へのアクセスを行います。

The CData ODBC drivers offer unmatched performance for interacting with live MYOB AccountRight data using PolyBase due to optimized data processing built into the driver. When you issue complex SQL queries from SQL Server to MYOB AccountRight, the driver pushes down supported SQL operations, like filters and aggregations, directly to MYOB AccountRight 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 MYOB AccountRight data, using a single query to pull data from distributed sources.

MYOB AccountRight 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 MYOB AccountRight Sys is created automatically).

These properties are required when connecting to a company file (both for Cloud and On-Premise instances).

  • CompanyFileId: You can find this by starting MYOB, opening your data file, and selecting Help -> About MYOB
  • User: The username associated with your company file.
  • Password: The password associated with your company file.

Connecting to a Cloud Instance

To connect to a cloud instance of MYOB, you can use the embedded OAuth credentials or create an OAuth app with MYOB. This process is detailed in the Help documentation.

Connecting to an On-Premise instance:

When connecting to an on-premise instance, you will need to set the following connection property in addition to those above:

  • InitiateOauth: Set this to OFF.
  • Url: The Url of your MYOB instance.

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

MYOB AccountRight 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.

CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'password';

Creating a Credential Database

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

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

CREATE DATABASE SCOPED CREDENTIAL myob_creds
WITH IDENTITY = 'username', SECRET = 'password';

Create an External Data Source for MYOB AccountRight

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

For MYOB AccountRight, set SERVERNAME to 'localhost' or '127.0.0.1' 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_myob_source
WITH ( 
  LOCATION = 'odbc://SERVERNAME[:PORT]',
  CONNECTION_OPTIONS = 'DSN=CData MYOB AccountRight Sys',
  -- PUSHDOWN = ON | OFF,
  CREDENTIAL = myob_creds
);

MYOB AccountRight のExternal Table を作成

After creating the external data source, use CREATE EXTERNAL TABLE statements to link to MYOB AccountRight data from your SQL Server instance. The table column definitions must match those exposed by the CData ODBC Driver for MYOB AccountRight. 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 MYOB AccountRight Accounts would look similar to the following:

CREATE EXTERNAL TABLE Accounts(
  Id [nvarchar](255) NULL,
  Name [nvarchar](255) NULL,
  ...
) WITH ( 
  LOCATION='Accounts',
  DATA_SOURCE=cdata_myob_source
);

Having created external tables for MYOB AccountRight 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 MYOB AccountRight, freeing up local resources and computing power. Download a free, 30-day trial of the ODBC Driver for MYOB AccountRight and start working with live MYOB AccountRight data alongside your SQL Server data today.

 
 
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