Type conversions Explains data type conversion rules of the language. When does type conversion occur? In Genero BDL, data type conversion is implicit when possible. Data type conversion reference This topic lists type conversion rules for all data types. Handling type conversion errors Runtime errors can be handled on type conversion failures. Formatting numeric values Numeric values must be formatted when converted to strings. Formatting DATE values Date values must be formatted when converted to strings. Formatting DATETIME values Date-time values must be formatted when converted to strings. Formatting INTERVAL values Interval values must be formatted when converted to strings.