1.COALESCE( value1,value2,... )
The COALESCE function returns the fist not NULL value from the list of values. If all the values in the list are NULL, then it returns NULL. The COALES
1.COALESCE( value1,value2,... )
The COALESCE function returns the fist not NULL value from the list of values. If all the values in the list are NULL, then it returns NULL. The COALES