Performing a task (DBMS_Scheduler) at 11:30 and 17:30 daily
Version: 10 gr 2I want to run a job at 11:30 and 17:30 daily. After the establishment
start_date => sysdate,
repeat_interval => 'freq = daily;
Do not know how to configure the settings BYHOUR and BYMINUTE twice a day
You probably want a repetition like this interval:
FREQ=DAILY;BYHOUR=11,17;BYMINUTE=30;BYSECOND=0
The DBMS_SCHEDULER package provides a procedure called EVALUATE_CALENDAR_STRING that allows you to test different intervals to repeat and to determine if it meets your needs. They provide an example of code that you can easily copy and modify.
The documentation also goes into details on the syntax of calendaring. It is interesting to read.
For example, here is the code I used to test your condition.
DECLARE
start_date TIMESTAMP;
return_date_after TIMESTAMP;
next_run_date TIMESTAMP;
BEGIN
start_date := systimestamp;
return_date_after := start_date;
FOR i IN 1..5 LOOP
DBMS_SCHEDULER.EVALUATE_CALENDAR_STRING
( 'FREQ=DAILY;BYHOUR=11,17;BYMINUTE=30;BYSECOND=0'
, start_date
, return_date_after
, next_run_date
);
DBMS_OUTPUT.PUT_LINE('next_run_date: ' || next_run_date);
return_date_after := next_run_date;
END LOOP;
END;
/
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