Query Optimizer

Installing Query Optimizer
Install Query Optimizer in IBM® watsonx.data by following the instructions.
Syncing Query Optimizer with watsonx.data metastore
Updating Query Optimizer configuration
In Query Optimizer, values for the following Db2 parameters are based on the configuration of the Presto (Java) and Presto (C++) engines.
Running queries from the Presto (C++) CLI and inspecting watsonx.data logs
IBM watsonx.data allows running SQL queries from Presto (C++) CLI with or without using Query Optimizer. You can also inspect the log files of the queries that are run.
Uninstalling Query Optimizer
Uninstall Query Optimizer in IBM watsonx.data by following the instructions.

Parent topic: Working with data