timestamp with local time zone
HelloI created a table as follows:
create table timetest
(date of col1,
timestamp col2,
COL3 timestamp with time zone,
COL4 timestamp with local time zone.
year apart col5 in the month,
day apart col6 in the second
)
inserted a line like:
insert into timetest values (sysdate, sysdate, sysdate, sysdate, 13-11' year to month INTERVAL,
('13 2:59:59.111233' INTERVAL DAY (2) second (6))
When I select * from timetest
I have found no difference between col2 and col4, I mean timestamp and timestamp with local time zone.
Please tell me the difference between these two.
thnx in advance
TIMESTAMP WITH LOCAL TIME ZONE:-always displays the date stored in the local time zone setting i.e. According to the session's time zone setting.
TIMESTAMP WITH time ZONE:-it will always displays the values stored regardless of the settings of the session.
Instead of insert sysdate insert localtimestamp and systimestamp into your table.
insert into values tab (SYSTIMESTAMP, SYSTIMESTAMP);
insert into tab (LOCALTIMESTAMP, LOCALTIMESTAMP) values;
Then you must define the different session time zone as the time zone database. I have change the zone session affecting different database.
SQL > alter session set time_zone = "-03: 00 ';"
Modified session.
SQL > select dbtimezone, sessiontimezone double;
DBTIMEZONE SESSIONTIMEZONE
---------- ----------------
-07:00 - 03:00
To select it and see the difference.
Tags: Database
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(3) what is the time zone used for database? And what is not?
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