Query Optimization with COALESCE function in db2 udb

coalesce db2   Dan coalesce bigquery

DB2) Basic difference between COALESCE and their counter parts is that COALESCE returns first non null value as it can take more than 2

Specify to apply the SQL syntax transformation rule that adds COALESCE to a column When the data is retrieved, the COALESCE function, which in this case is COALESCE, + COALESCE, + Support for DB2 Universal Database for i, also known as DB2400, version

shoppy app download db2 insert into nulo2 (select coalesce,coalesce from table1) Where num is an int column and name is a char column  According to SQL Server Books Online, COALESCE returns the first nonnull expression among its arguments, and ISNULL replaces NULL with the specified