Operand Data Type Varchar Is Invalid For Sum Operator.
Operand data type varchar is invalid for sum operator'. Those fields are not varchar. They are all decimal data type. Cognos recognizes them SQL : how to calculate sum time with data type char in oracle Databases: Operand data type time is invalid for add or subtract operators Helpful? Please support me on Patreon: Error Operator '&&' cannot be applied to operands of type 'System.Linq.IQueryable' and 'lambda expression' More info MSSQL - Fix Error - The conversion of a varchar data type to a datetime data type ...