Setting up a distant database

Talend DQ Portal is deprecated from Talend 7.1 onwards.

By default, Talend Studio stores reports and analyses in an embedded HSQL database.

From the Profiling perspective, you can set up an other default distant database to store reports and analysis results. You will then be able to share the results of the analyses with other users.

Before you begin

You have selected the Profiling perspective.

Procedure

In the menu bar, select Window > Preferences to display the Preferences window.
Start typing Reporting in the filter field and then select Reporting from the list to open the Reporting page.
In the DB Type list, select the name of the database you want to define.
By default, your Studio stores reports and analysis results in an embedded HSQL database. You cannot share reports and analysis results when stored in the HSQL database.

Define the connection parameters in the individual connection fields or directly in the Url field.

When you modify any parameter in the Url field, it is modified automatically in the individual fields and vice versa.

In the DB Name, you must use the same database name that is defined when installing Talend DQ Portal.

Database	Details
MySQL	In the DB Name field, you can: Use the default database name (`talend_dq`). In this database, you can have access to all analyses and results of generated reports. Enter a database name (catalog) that does not exist in your database. A catalog will be created and the required tables to store analyses and reports will be generated. Enter a database name that exists in the database. If there is no data mart structure in this database, it will be created. If the data mart structure already exists but is a lower version that the current one, the data mart structure is updated. If the data mart structure already exists but is an higher version that the current one, you cannot use this data mart structure. Information noteNote: Database names with a dot "`.`" are allowed. When using the IPV6 address format for a local MySQL, configure the database connection using the logical hostname, `localhost`, and map this in the hosts file to the IPV6 local address, `[::1]`. Otherwise the startup of the Talend DQ Portal fails. You can connect to an Azure forMySQL database.
Oracle with SID Oracle with service name Oracle OCI	Fill the SID or the Service Name field with the name of an existing database. Fill the Schema field with an Oracle schema to which the specified user in the User field has access, or leave it blank. If you leave this field blank, your reports will be written to the default schema of the defined user. Information noteNote: The collation of the schema must be case sensitive. Otherwise the columns may not be analyzed and will be missing from the report. For more information, see the Oracle documentation.
PostgreSQL	Fill in the connection information to the database. You can use only the default schemas when you create the data mart on this database. Information noteNote: Database names with a dot "`.`" or an hyphen "`-`" are allowed. You can connect to an Azure for PostgreSQL or an Azure SQL database. When connecting to an Azure for PostgreSQL database, use the `username@hostname` syntax for the User field and leave the Additional parameters field empty. You can use only the default schemas of PostgreSQL when you create the data mart on it.
Microsoft SQL Server	Fill in the connection information to the database. Information noteNote: Database names with a dot "`.`" or an hyphen "`-`" are allowed. To enable writing reports to the defined database, make sure that the specified user has enough system privileges. You can use only the default schemas of Microsoft SQL Server when you create the data mart on it. If you want to connect via Windows authentication, leave the User and Password fields empty. When creating a connection to a Microsoft SQL Server database to store reports and analysis results, both Microsoft and Open source JTDS drivers are supported. The collation used by the Microsoft SQL Server database must be case-insensitive, otherwise the report generation may not succeed. You may encounter the following error: java.sql.SQLException: Invalid column name 'rep_runtime'. For more information about collation rules, check Microsoft documentation. For more information about setting up a connection to a Microsoft SQL Server database, see What you need to know about some databases.

If you have not selected HSQL from the DB Type list, specify additional connection properties in the Additional parameters field.
When connecting to a MySQL 8 database, configure the useSSL, requireSSL and serverTimezone property. Enter useSSL=false&requireSSL=false&serverTimezone=UTC for example.

When connecting to an Azure SQL database, enter ssl=require.
Enter your login information to the database in the corresponding fields.
Optional: To export the data mart connection and the path of the report folder and logo as a context, click Export as context and follow the steps.
For further information, see Using context variables to connect to the report database.

You can click Revert Context to switch the connection back to its initial state.
Either:
- Click Apply to report editors... to open a list from which you can select the reports which results you want to store in the defined datamart or context connection.
- Click Apply to store the results of all analyses and reports in the defined database.
Click OK to validate the changes and close the Preferences window.
When the version of the distant database created from the Profiling perspective of Talend Studio is older than that of the Talend Studio, a pop-up message is displayed to ask you if you want a database upgrade.

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