Identify index that needs to be created for the query
CSP_ENTITY_ID
CSP_ENTITY_ID,CSP_EVNT_ID
CSP_ENTITY_ID, CSP_EVNT_ID,CSP_DPT_ID
CSP_ENTITY_ID, CSP_EVNT_ID,CSP_DPT_ID,CSP_DPT_EVNT_IND