Date

Contains numbers that represent day, month, and year. The default format is mm_dd_yyyy.

Datetime

Date and time data from January 1, 1753, through December 31, 9999, providing accuracy to three-hundredths of a second, or 3.33 milliseconds. The default format is yyyy_mm_dd_hh_MM_ss.

Integer

Integer data from -2^31 (-2,147,483,648) through 2^31‑1 (2,147,483,647).

Longint

Integer data from -2^63 (-9,223,372,036,854,775,808) through 2^63-1 (9,223,372,036,854,775,807).

Real

Floating precision number data with the following valid values:
-3.40E+38 through -1.18E‑38, 0 and 1.18E‑38 through 3.40E+38.

String

A sequence of ASCII characters.

Time

Contains a value representing time of day. The default format is hh_MM_ss.

Unicode

A sequence of characters based on consistent encoding, representation, and handling of text as expressed in global writing systems.