Coalesce in oracle

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 ); Sample Data SET …

Coalesce in oracle

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 ); Sample Data SET …