What are you are day to day roles and responsibilities? what is tough situation face in your project? what is performance optimization? Tell about navigation of performance optimization? tell about date parse, date trunk? how we keep month parameter in dashboard? from date field how we can extract date in string format? what type of data base used in project? what you know about LOD? what are major differences in lod? what are filter? order of excuation of filters? what are different type of filter? when we take one measure dimension in shelve? will names are appear in axis? how to hide or show header? how to change axis from bottom to top with navigation?