Getting error for the case statement while using nvl with DB2 DB

DB2 Connections coalesce db2 DB2 Gurus: I am trying to update a column in table A using a value derived from a column in table B What I am trying to accomplish is to coalesce db2 Returns a CLOB representation of string COALESCE Returns the first argument that is not NULL

coalesce معنى COALESCE with FULL OUTER JOINs At times, you might need the COALESCE function to avoid nulls in the result columns of OUTER JOIN statements To understand