17.3 Settings for outputting HADB ODBC driver trace information

For the Windows version of the HADB client, HADB ODBC driver trace information is output.

There are two ways to configure HADB to output HADB ODBC driver trace information:

• Configuration in ODBC Data Source Administrator

• Configuration using environment variables

The following table describes guidelines for selecting the method that is appropriate for your situation.

Table 17‒2: Guidelines for selecting configuration method

Usage conditions			Recommended configuration method
Is a data source used when connecting to the HADB server?	What type of data source is used when connecting to the HADB server?	Do you need the ability to dynamically output or stop output of trace information?
Yes	User DSN	Yes	Configuration in ODBC Data Source Administrator
		No	Either method can be used
	System DSN	Yes	Configuration in ODBC Data Source Administrator
		No	Either method can be used
	File DSN	Yes	None
		No	Configuration using environment variables
No	Not applicable	Yes	None
		No	Configuration using environment variables

Each method is described in the following subsections.

Organization of this section

• 17.3.1 Configuration in ODBC Data Source Administrator

• 17.3.2 Configuration using environment variables

• 17.3.3 Relative priority of configuration in ODBC Data Source Administrator and environment variables

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