Oracle NULL-Related Functions. There are different type of null related function in oracle. Read more
NULL in Oracle NULL = NULL ? NULL_ NULL is NOT Equals to NULL COUNT with NULLs COUNT(A) 2 SUM with NULLs SUM(A) 12 LENGTH with NULLs SELECT LENGTH (NULL) len, 'LENGTH' FROM DUAL; LEN ‘LENGTH’ LENGTH Order by with... Read more