Tag: COALESCE SQL

Functions COALESCE and ISNULL in T-SQL - features and main differences
 

Functions COALESCE and ISNULL in T-SQL – features and main differences

In the T-SQL language there are such functions as COALESCE and ISNULL, which can check the incoming parameters to the value of NULL, today we will consider the features of these functions, as...

SQLS*Plus - COALESCE SQL 1
 

COALESCE SQL returns the first non-NULL value

SQL COALESCE - a function that returns the first defined, i.e. non-NULL value from its argument list. Usually one or more COALESCE function arguments is the column of the table the query is...