Data type bit is invalid for min operator manual

Invalid operator for data type. Operator equals subtract, type equals varchar. What does this mean? Answer: It means you are doing subtraction on characters. Subtraction does not apply to character data—in this case, a variable-length character. ASP.NET Forums / Data Access / SQL Server, SQL Server Express, and SQL Compact Edition / Operand data type varchar is invalid for subtract operator. Operand data type varchar is invalid for subtract operator. Msg 8117, Level 16, State 1, Line 1 Operand data type nvarchar is invalid for subtract operator. ,difference between max and min value in SQL,max value of nvarchar column in sql,convert varchar to int in sql, Max(Column1)-Min(Column2) "The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. > the data type of the rvalue (the value of the expression on the right side of an assignment statement) is converted to the data type of the lvalue (any object that occurs on the left side of the assignment operator) based on the implicit conversion rule if they are not already the same type. How to aggregate a bit column August 03, 2007. blog, , color, css, html, linguistics, sql. This is an oldie but a goodie: When you first try to count the number of true values in a bit column (in SQL Server) you get this error: In SQL Server 2005 you can create user defined aggregates, in Unless otherwise stated, group functions ignore NULL values. If you use a group function in a statement containing no GROUP BY clause, it is equivalent to grouping on all rows. For more information, see Section 12.20.3, "MySQL Handling of GROUP BY". Most aggregate functions can be used as window functions. MAX(text) returns Operand data type text is invalid for max operator. in sql server 2008. Operand data type text is invalid for max operator. Well, I