Replicate Multiple Google Data Catalog Accounts

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CData Sync



Replicate multiple Google Data Catalog accounts to one or many databases.

CData Sync is a stand-alone application that provides solutions for a variety of replication scenarios such as replicating sandbox and production instances into your database. CData Sync includes a web-based interface that makes it easy to manage multiple Google Data Catalog connections. In this article we show how to use the web app to replicate multiple Google Data Catalog accounts to a single database.

Configure the Replication Destination

Using CData Sync, you can replicate Google Data Catalog data to any number of databases, both cloud-based and on-premises. To add a replication destination, navigate to the Connections tab.

  1. Click Add Connection.
  2. Select a destination and enter the necessary connection properties. In this article, we use SQLite.
  3. Enter the necessary connection properties. To replicate Google Data Catalog to a SQLite database, enter a file path in the Data Source box.
  4. Click Test Connection to ensure that the connection is configured properly.
  5. Click Save Changes.

Configure Google Data Catalog Connections

You can configure connections to Google Data Catalog from the Connections tab. To add a connection to one of your Google Data Catalog accounts, navigate to the Connections tab. For each Google Data Catalog account you wish to replicate, do the following:

  1. Click Add Connection.
  2. Select a source (Google Data Catalog).
  3. Configure the connection properties.

    Google Data Catalog uses the OAuth authentication standard. Authorize access to Google APIs on behalf on individual users or on behalf of users in a domain.

    Before connecting, specify the following to identify the organization and project you would like to connect to:

    • OrganizationId: The ID associated with the Google Cloud Platform organization resource you would like to connect to. Find this by navigating to the cloud console.

      Click the project selection drop-down, and select your organization from the list. Then, click More -> Settings. The organization ID is displayed on this page.

    • ProjectId: The ID associated with the Google Cloud Platform project resource you would like to connect to.

      Find this by navigating to the cloud console dashboard and selecting your project from the Select from drop-down. The project ID will be present in the Project info card.

    When you connect, the OAuth endpoint opens in your default browser. Log in and grant permissions to the application to completes the OAuth process. For more information, refer to the OAuth section in the Help documentation.

  4. Click Connect to ensure that the connection is configured properly.
  5. Click Save Changes.

Configure Queries for Each Google Data Catalog Instance

CData Sync enables you to control replication with a point-and-click interface and with SQL queries. To configure a replication, navigate to the Jobs tab and click Add Job. Select the Source and Destination for your replication.

Replicate Entire Tables

To replicate an entire table, click Add Tables in the Tables section, choose the table(s) you wish to replicate, and click Add Selected Tables.

Customize Your Replication

You can use a SQL query to customize your replication. The REPLICATE statement is a high-level command that caches and maintains a table in your database. You can define any SELECT query supported by the Google Data Catalog API. To customize your replication, click Add Custom Query in the Tables section and define the Query Statement.

The statement below caches and incrementally updates a table of Google Data Catalog data:

REPLICATE Schemas;

You can specify a file containing the replication queries you want to use to update a particular database. Separate replication statements with semicolons. The following options are useful if you are replicating multiple Google Data Catalog accounts into the same database:

  • Use a different table prefix in the REPLICATE SELECT statement:

    REPLICATE PROD_Schemas SELECT * FROM Schemas;
  • Alternatively, use a different schema:

    REPLICATE PROD.Schemas SELECT * FROM Schemas;

Schedule Your Replication

In the Schedule section, you can schedule a job to run automatically, configuring the job to run after specified intervals ranging from once every 15 minutes to once every month.

Once you have configured the replication job, click Save Changes. You can configure any number of jobs to manage the replication of the data from your different Google Data Catalog accounts.