Problem: The original SQL query tries to compare a numeric value (salary) with a string, which can lead to unexpected results or errors depending on the database system.

SQL Server has many different ways (column types) to represent date/time values, and depending on which one is used in the database table, you may have some surprising results when trying to consume ...

When table has numeric column, returned value is string. Is this by design so as not to loose arbitrary precision? If not, it is a bug. From int and bigint columns values are returned as numbers. Note ...