5When running the Historical Data Generator for Query Patroller, if the 5Explain tables do not already exist, the generator will create them for 5you. However, it is strongly recommended that you create the Explain 5tables before running the Historical Data Generator. When you create 5the Explain tables be sure you create them on the same partition. 5Actively creating the Explain tables on the same partition improves the 5performance of the Explain facility. This improvement increases the 5performance of the Historical Data Generator.