what 为需要定时调用的 PL/SQL代码DBMS_JOB.SUBMIT(
job
OUT
BINARY_INTEGER, what
IN
VARCHAR2,
NEXT_DATE IN DATE DEFAULTSYSDATE,
intervalIN
VARCHAR2 DEFAULT 'NULL', no_parseIN
BOOLEAN DEFAULT FALSE, instanceIN
BINARY_INTEGER DEFAULT ANY_INSTANCE, force
IN
BOOLE...
