What is the meaning of error converting data type varchar to float?

What is the meaning of error converting data type varchar to float?

As mentioned above, the actual reason you get this error message, is that you are passing as a parameter to the CAST or CONVERT SQL Server functions, a value (varchar expression) that is invalid and cannot be converted to the desired data type.

How do I convert Nvarchar to decimal?

  1. Clean the varchar ( eliminate dot or commas )
  2. Cast to char (6 digit) and pad with 0 the empty spaces. ( Catch null with coalesce)
  3. Cast to numeric and divide to 100000.
  4. Cast to decimal (10,4)

Is not numeric in SQL?

In SQL Server, you can use the ISNUMERIC() function to find out whether an expression is numeric or not. The function returns 1 if the expression is numeric, and 0 if it’s not. To use this function, simply pass the value/expression to the function while calling it.

How convert blank to numeric in SQL?

select convert(numeric(18,2),(case when 2=1 then @VAL1 else @VAL end )); Sql server internally converts @VAL to Float ( datatype of @VAL1 ) then compare gives you the output as zero.

How to convert varchar to INT in SQL?

How to convert VARCHAR to Integer in SQL Server with CAST and CONVERT If a table column is VARCHAR and has all the numeric values in it, it can be converted to Integer using CAST or CONVERT function. SELECT CAST (VarcharColumnName AS INT) FROM My_Table SELECT CONVERT (INT, VarcharColumnName ) FROM My_Table

What is a numeric data type in SQL Server?

For the decimal and numeric data types, SQL Server considers each specific combination of precision and scale as a different data type. For example, decimal(5,5) and decimal(5,0) are considered different data types.

What is numeric error?

In software engineering and mathematics, numerical error is the error in the numerical computations.