Following two line code can help you for Batch jobs log cleanup. If you delete from table manually then it will take longer time but by using delete_from command you can do it quickly.   Delete cascade will also work using delete_from query.    BatchJobHistory BatchJobHistory;      delete_from BatchJobHistory ;     
Microsoft Dynamics Ax,AIF,Axapta, Enterprise portal,,Microsoft , United State,U.S., SharePoint , BI Tools, Performance Tuning, SSRS,Business Logic,Ax ERP Errors and solution,Dynamics 365 Errors Solution,Business software .