If you know the number of return values to be supplied at runtime and their data types, you can define the values that the SELECT or EXECUTE FUNCTION (or EXECUTE PROCEDURE) statement returns as host variables in your program. Use these host variables with the INTO keyword, followed by the names of the variables. These variables are matched with the return values in a one-to-one correspondence, from left to right.
You must supply one variable name for each value that the SELECT or EXECUTE FUNCTION (or EXECUTE PROCEDURE) returns. The data type of each variable must be compatible with the corresponding returned value from the prepared statement.
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