-
Book Overview & Buying
-
Table Of Contents
Developing Robust Date and Time Oriented Applications in Oracle Cloud
By :
The TIMESTAMP data type and related arithmetic work differently from how it may seem at first glance. Let’s take the TIMESTAMP value and add 1 day, represented by adding the value 1 to the particular value. However, what about the output? Will it even work? The following statement provides you with the answer:
select localtimestamp, localtimestamp + 1 from dual;
In addition, the following table shows the results:
|
LOCALTIMESTAMP |
LOCALTIMESTAMP + 1 |
|
13.06.22 07:08:49,847000000 |
14.06.2022 07:08:49 |
Table 5.4 – Timestamp arithmetic
Yes, it took the localtimestamp value and added 1 day. The result is, however, a bit strange, isn’t it? Namely, the second fractions are lost. What has happened? Well, particular addition and subtraction cannot be applied to the TIMESTAMP value. To prevent...