Time Literals

Teradata Vantage™ Data Types and Literals

brand
Software
Teradata Vantage
prodname
Teradata Database
Teradata Vantage NewSQL Engine
vrm_release
16.20
category
Programming Reference
featnum
B035-1143-162K

Purpose

Declares a time value in an expression.

Syntax



where string specifies an 8- to 21-character string enclosed in apostrophes in one of four formats.

hh:mi:ss
Time with no fractional seconds digits or Time Zone:
  • hh represents the hour of the day. The valid range is 00–23, inclusive. You must specify both digits.
  • mi represents minute of the hour. The valid range is 00–59, inclusive. You must specify both digits.
  • ss represents seconds. The valid range is 00–61. You must specify both digits.
hh:mi:sssignhh:mi
Time with a specified Time Zone, but no fractional seconds digits:
  • hh represents the hour of the day. The valid range is 00–23, inclusive. You must specify both digits.
  • mi represents minute of the hour. The valid range is 00–59, inclusive. You must specify both digits.
  • ss represents seconds. The valid range is 00–61. You must specify both digits.
  • signhh:mi represents the hours and minutes in the Time Zone offset. The valid range is -12:59 through +13:00, inclusive.
sign is + or -
hh:mi:ss.ssssss
Time with up to six fractional seconds digits, but no Time Zone:
  • hh represents the hour of the day. The valid range is 00–23, inclusive. You must specify both digits.
  • mi represents minute of the hour. The valid range is 00–59, inclusive. You must specify both digits.
  • ss.ssssss represents seconds. The valid range for the first two digits is 00–61. You must specify both digits. You can specify from one to six fractional digits.
hh:mi:ss.sssssssignhh:mi
Time with up to six fractional seconds and a Time Zone offset:
  • hh represents the hour of the day. The valid range is 00–23, inclusive. You must specify both digits.
  • mi represents minute of the hour. The valid range is 00–59, inclusive. You must specify both digits.
  • ss.ssssss represents seconds. The valid range for the first two digits is 00–61. You must specify both digits. You can specify from one to six fractional digits.
  • signhh:mi represents the hours and minutes in the Time Zone offset. The valid range is -12:59 through +13:00, inclusive.
sign is + or -

Usage Notes

The colons are required between the first three elements, and the decimal point is required if fractional seconds are specified. A decimal point is not allowed if there are no fractional digits. Spaces and new line characters are not allowed in a literal except after the keyword TIME.

Data Types

IF the format of the Time literal is … THEN the data type is …
hh:mi:ss TIME(0).
hh:mi:sssignhh:mi TIME(0) WITH TIME ZONE.
hh:mi:ss.ssssss TIME(n), where n is the number of fractional seconds digits.
hh:mi:ss.sssssssignhh:mi TIME(n) WITH TIME ZONE, where n is the number of fractional seconds digits.

Example 1: hh:mi:ss Format

The following example selects all classes from the Classes table that start at 3:30 PM.

SELECT *
FROM Classes
WHERE start_time = TIME '15:30:00';

Example 2: hh:mi:sssignhh:mi Format

SELECT *
FROM Classes
WHERE start_time = TIME '10:37:12-08:00';

Example 3: hh:mi:ss.ssssss Format

SELECT *
FROM Classes
WHERE start_time = TIME '10:36:02.123456';

Example 4: hh:mi:ss.sssssssignhh:mi Format

SELECT Customer_ID
FROM Messages
WHERE start_time = TIME '21:17:35.123456+07:30'

Related Topics

FOR information on … SEE …
TIME data types TIME Data Type.
TIME WITH TIME ZONE data types TIME WITH TIME ZONE Data Type.