Type functions are used to convert an input of one type into other types, e.g. from the string “3” to the number 3. Read more about types of values and how they affect functions.
Convert the value into a date and time. All times are assumed to be UTC.
Interpret the column as containing JSON.
Convert the value into True or False.
Convert the value into a number.
Convert the value into a string.
Interpret the column as containing some form of composite data within columns (e.g. nested arrays, nested structures, JSON or XML).