A text string of maximum 4000 character. The string is UTF-8 encoded. Currently the system converts the string to Windows 1252 encoding before writing it to the database. Characters not in this encoding will not be preserved.

An integer or a float number.

A boolean value that can be either true or false.

A date in UTC time. The format is: yyyy-MM-dd HH:mm:ss, which is <4-digits year>-<month>-<day> <24-hours-clock hours><minutes><seconds>. Note that UTC time has no time zone.

A base64 encoded string. The base64 implementation is as specified in RFC 2045 and RFC 4648. Currently is the maximum string length before decoding 10 MB.

The null value. Note that the value of an unspecified object’s attribute defaults to null as well.