current date
SQL> SELECT TO_CHAR(SYSDATE, 'DD-MON-YYYY HH24:MI:SS') CDATE FROM DUAL;
CDATE
--------------------
01-MAR-2011 16:54:25
date truncated to the 1st day of the year
SQL> SELECT TRUNC(SYSDATE, 'YEAR') YEAR FROM DUAL;
'YEAR'
-------------------
01-JAN-11
date truncated to the 1st day of the quarter
SQL> SELECT TRUNC(SYSDATE, 'Q') QUARTER FROM DUAL;
QUARTER
-------------------
01-JAN-11
date truncated to the 1st day of the month
SQL> SELECT TRUNC(SYSDATE, 'MONTH') MONTH FROM DUAL;
MONTH
-------------------
01-MAR-11
date truncated to the 1st day of the week
SQL> SELECT TRUNC(SYSDATE, 'DAY') DAY FROM DUAL;
DAY
-------------------
27-FEB-11
date truncated to the day
SQL> SELECT TO_CHAR(TRUNC(SYSDATE),'DD-MON-YYYY HH24:MI:SS') TDATE FROM DUAL;
TDATE
--------------------
01-MAR-2011 00:00:00
date truncated to the hour
SQL> SELECT TO_CHAR(TRUNC(SYSDATE,'HH'),'DD-MON-YYYY HH24:MI:SS') THOUR FROM DUAL;
THOUR
--------------------
01-MAR-2011 16:00:00
date truncated to the minute
SQL> SELECT TO_CHAR(TRUNC(SYSDATE,'MI'),'DD-MON-YYYY HH24:MI:SS') TMINUTE FROM DUAL;
TMINUTE
--------------------
01-MAR-2011 16:53:00
date truncate to last monday
SQL> SELECT TRUNC(SYSDATE -1,'DAY')+1 FROM DUAL;
TRUNC(TO_
---------
21-FEB-11
Related Posts:
- Why to Prefer Oracle Native Date Arithmetic over ANSI INTERVAL
- Oracle: Some Important Date Queries
- Date Difference in Days, Months and Years
- Dates Difference in days, hours, minutes & seconds
- ORA-01830 date format picture ends before converting entire input string
- Oracle: Convert seconds to time - hh:mi:ss
- Oracle: convert time hh:mi:ss to seconds
SQL> SELECT TO_CHAR(SYSDATE, 'DD-MON-YYYY HH24:MI:SS') CDATE FROM DUAL;
CDATE
--------------------
01-MAR-2011 16:54:25
date truncated to the 1st day of the year
SQL> SELECT TRUNC(SYSDATE, 'YEAR') YEAR FROM DUAL;
'YEAR'
-------------------
01-JAN-11
date truncated to the 1st day of the quarter
SQL> SELECT TRUNC(SYSDATE, 'Q') QUARTER FROM DUAL;
QUARTER
-------------------
01-JAN-11
date truncated to the 1st day of the month
SQL> SELECT TRUNC(SYSDATE, 'MONTH') MONTH FROM DUAL;
MONTH
-------------------
01-MAR-11
date truncated to the 1st day of the week
SQL> SELECT TRUNC(SYSDATE, 'DAY') DAY FROM DUAL;
DAY
-------------------
27-FEB-11
date truncated to the day
SQL> SELECT TO_CHAR(TRUNC(SYSDATE),'DD-MON-YYYY HH24:MI:SS') TDATE FROM DUAL;
TDATE
--------------------
01-MAR-2011 00:00:00
date truncated to the hour
SQL> SELECT TO_CHAR(TRUNC(SYSDATE,'HH'),'DD-MON-YYYY HH24:MI:SS') THOUR FROM DUAL;
THOUR
--------------------
01-MAR-2011 16:00:00
date truncated to the minute
SQL> SELECT TO_CHAR(TRUNC(SYSDATE,'MI'),'DD-MON-YYYY HH24:MI:SS') TMINUTE FROM DUAL;
TMINUTE
--------------------
01-MAR-2011 16:53:00
date truncate to last monday
SQL> SELECT TRUNC(SYSDATE -1,'DAY')+1 FROM DUAL;
TRUNC(TO_
---------
21-FEB-11
Related Posts:
- Why to Prefer Oracle Native Date Arithmetic over ANSI INTERVAL
- Oracle: Some Important Date Queries
- Date Difference in Days, Months and Years
- Dates Difference in days, hours, minutes & seconds
- ORA-01830 date format picture ends before converting entire input string
- Oracle: Convert seconds to time - hh:mi:ss
- Oracle: convert time hh:mi:ss to seconds
when drop the table the show error
ReplyDeleteora-00604(error occurred at recursive sql level 1)
ora-01422(exact fetch return more than requested number of rows)
Two questions:
Delete1. What drop command you are using ?
2. How this post is related with your problem ?
Hi there, just became awaare of your blog throughh Google, and found that it's trulyy informative.
ReplyDeleteI'm going to watch out for brussels. I will appreciate if you continue this in future.
Lots of peopke will be benefited from your writing.
Cheers!
I beloeve this web ssite holds some really good info for everyone
ReplyDelete:D.
Very nice post. I just stumbled upon your blog and wished to say that I have really enjoyed
ReplyDeletesurfing around your blog posts. After all I will be
subscribing to your rss feed and I hope you write
again soon!
salt likit
ReplyDeletesalt likit
dr mood likit
big boss likit
dl likit
dark likit
04BLQ
شركة تسليك مجاري بالقطيف 1qvFylvNxv
ReplyDeleteشركة تنظيف شقق وعمائر بعنيزة
ReplyDeletet3wIIBOmOHqho