JobStore's are responsible for keeping track of all the "work data" that you give to the scheduler: jobs, triggers, calendars, etc. Selecting the appropriate JobStore for your Quartz scheduler ...
CREATE INDEX IDX_QRTZ_J_GRP ON QRTZ_JOB_DETAILS (SCHED_NAME, JOB_GROUP); CREATE INDEX IDX_QRTZ_T_J ON QRTZ_TRIGGERS (SCHED_NAME, JOB_NAME, JOB_GROUP); CREATE INDEX IDX_QRTZ_T_JG ON QRTZ_TRIGGERS ...