Some report executions against a SQL Server database might return an error like the following:
Intra-query parallelism caused your server command (process ID #51) to deadlock
An 'Insert Post String' statement such as OPTION (MERGE JOIN, LOOP JOIN) may need to be included after every pass of SQL to optimize the execution, avoid the error message, and complete the task. These strings are also known as SQL Hints.
The following procedure explains how to apply a SQL hint string after every pass of SQL in a Strategy Desktop 8.x report needing intra-query parallelism functionality for a SQL Server database:


For more details on this type of error due to Intra-query parallelism, refer to the following Strategy Knowledge Base technical note:
KB14316: ‘Intra-query parallelism caused your server command (process ID #51) to deadlock’ error occurs while executing a report when using multi-processor SQL Server as a warehouse