Example - Advanced SQL Engine - Teradata Database

SQL Date and Time Functions and Expressions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
17.00
Published
June 2020
Language
English (United States)
Last Update
2021-01-24
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dita:id
B035-1211
lifecycle
previous
Product Category
Teradata Vantage™

If we assume that the employee table, created by the following SQL statement:

CREATE MULTISET TABLE employee(
 id INTEGER,
 name VARCHAR(50),
 dept INTEGER,
 tt PERIOD(TIMESTAMP(6)WITH TIME ZONE) NOT NULL AS TRANSACTIONTIME
 )
 PRIMARY INDEX(id);

contains the following row, a real period:

INSERT INTO employee(102, 'John', 222);

The following SELECT statement:

SELECT * FROM employee WHERE END(tt) IS UNTIL_CLOSED;

returns:

id     name   dept
--------------------
  102   John    222