OptionalnameOptionalpositionThe ordinal position of the column (starting at position 0).
OptionaltypeThe format of the interval type.
OptionaltypeThe name of the base data type. This doesn't include details for complex types such as STRUCT, MAP or ARRAY.
OptionaltypeSpecifies the number of digits in a number. This applies to the DECIMAL type.
OptionaltypeSpecifies the number of digits to the right of the decimal point in a number. This applies to the DECIMAL type.
OptionaltypeThe full SQL type specification.
The name of the column.