Learn more about Database Toolbox

Troubleshooting JDBC Driver Problems

This section describes how to address common data source access problems, in which selecting a data source in the Visual Query Builder list produces an error, or the data source is not in the list as expected. There are several potential causes for these issues:

• The database is unavailable, or there are connectivity problems. Try reselecting the data source in VQB. If you are still unable to access the data source, contact your database administrator.

• You ran the clear all command in the MATLAB Command Window after you defined a JDBC data source. In this case, redefine the data source by following the instructions in Setting Up Data Sources for Use with JDBC Drivers in the Database Toolbox Getting Started Guide.

Removing JDBC Data Sources

Database Toolbox Functions vs. Visual Query Builder

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