Operand Data Type Varchar Is Invalid For Sum Operator.
SQL : Operand data type time is invalid for avg operator? How to CHANGE COLUMN TYPE INT to VARCHAR in SQL Databases: Sum a column in a database but keep getting an error "Operand data type nvarchar is invalid for sum operator" SQL : Varchar invalid for Sum operator To Access My Live Chat Page, On Google, Search for "hows tech developer connect" I try this query Select SNameSNoSUMCase when sModel39Cultus39 then total else 0 end as CultusSUMCase when sModel 39vigo39 then total else 0 ...