Oracle NULL-Related Functions

Oracle NULL-Related Functions. There are different type of null related function in oracle. Read more

Coalesce in oracle

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