self join is done from a single table like if u wana find out the employee id of a manager then we do self join with the table in this only a single table is rquired
where as in coreleted sub...
Type: Posts; User: ishmita; Keyword(s):
Re: difference between self join and correlated queries
self join is done from a single table like if u wana find out the employee id of a manager then we do self join with the table in this only a single table is rquired
where as in coreleted sub...