Oracle NULL-Related Functions. There are different type of null related function in oracle. Read more
COALESCE return first not null value out all the parameter passed into this function. NOTE: All the parameters have be same datatype DROP TABLE coalesce_func_test; CREATE TABLE coalesce_func_test ( id NUMBER, col1 VARCHAR2 (10), col2 VARCHAR2 (10), col3 VARCHAR2 (10), col4 NUMBER... Read more