Oracle SQL Query for Records with Timestamp That Falls Between Two Timestamps

how to fetch records between two timestamps in oracle?

Firstly have to change NLS_DATE_FORMAT as follows:
ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD';
ALTER SESSION SET NLS_DATE_FORMAT = 'HH24:MI:SS';

Then running the query using TIMESTAMP literal as follows:

SELECT * FROM table_name WHERE column_name BETWEEN TIMESTAMP '2022-04-01 18:02:42' AND TIMESTAMP '2022-11-03 19:28:57';

Oracle query to fetch every minute between two timestamps

To get all the minutes between two datetime elements using Row Generator technique, you need to convert the difference between the dates into the number of minutes. Rest remains same in the CONNECT BY clause.

For example, to get all the minutes between 11/09/2015 11:00:00 and 11/09/2015 11:15:00:

SQL> WITH DATA AS
  2    (SELECT to_date('11/09/2015 11:00:00', 'DD/MM/YYYY HH24:MI:SS') date_start,
  3      to_date('11/09/2015 11:15:00', 'DD/MM/YYYY HH24:MI:SS') date_end
  4    FROM dual
  5    )
  6  SELECT TO_CHAR(date_start+(LEVEL -1)/(24*60), 'DD/MM/YYYY HH24:MI:SS') the_date
  7  FROM DATA
  8    CONNECT BY level <= (date_end - date_start)*(24*60) +1
  9  /

THE_DATE
-------------------
11/09/2015 11:00:00
11/09/2015 11:01:00
11/09/2015 11:02:00
11/09/2015 11:03:00
11/09/2015 11:04:00
11/09/2015 11:05:00
11/09/2015 11:06:00
11/09/2015 11:07:00
11/09/2015 11:08:00
11/09/2015 11:09:00
11/09/2015 11:10:00
11/09/2015 11:11:00
11/09/2015 11:12:00
11/09/2015 11:13:00
11/09/2015 11:14:00
11/09/2015 11:15:00

16 rows selected.

Above, CONNECT BY level <= (date_end - date_start)*(24*60) +1 means that we are generating rows as many as the number (date_end - date_start)*(24*60) +1. You get 16 rows, because it includes both the start and end window for the minutes.

Select date from between two timestamps

Try this statement (using Oracle syntax)

SELECT *
FROM   ARBEITSBLOCK 
WHERE  STARTZEIT BETWEEN TO_DATE ('12/04/2015 09:00:00 AM', 'mm/dd/yyyy hh:mi:ss AM')
                     AND TO_DATE ('12/04/2015 10:00:00 AM', 'mm/dd/yyyy hh:mi:ss AM');

ORACLE sql hours between two timestamps format

Just use a subquery to extract the hours from the expression

SELECT  extract( hour from x) hours FROM
(SELECT (date1 - date2)x FROM B)

Oracle SQL query to count number of time record in between two dates

If you are asking for a count of the number of entries in a table between two timestamps then you can use this:

 SELECT COUNT( time_stamp ) AS number_of_timestamps
 FROM   table_name
 WHERE  time_stamp BETWEEN TO_DATE('2013/11/14 07:00', 'yyyy/mm/dd hh24:mi') AND TO_DATE('2013/11/16 15:00', 'yyyy/mm/dd hh24:mi');

Adjust time stamps and formatting masks as appropriate.

SQLFIDDLE

If you are looking for a purely arithmetic count of the number of times a period of hours occurs (i.e. 13:00 - 14:00) between two timestamps then you can create a function to do this:

CREATE FUNCTION count_Periods_Between (
  start_time  DATE,
  end_time    DATE,
  lower_bound NUMBER,
  upper_bound NUMBER
) RETURN NUMBER
IS
BEGIN
 RETURN FLOOR( end_time - start_time ) + CASE WHEN start_time - lower_bound/24 <= TRUNC( start_time ) AND end_time - upper_bound/24 >= TRUNC( end_time ) THEN 1 ELSE 0 END;
END count_Periods_Between;
/

And then just us it in a query:

SELECT  count_Periods_Between(TO_DATE( '2013/11/14 07:00', 'yyyy/mm/dd hh24:mi' ),
                              TO_DATE( '2013/11/16 15:00', 'yyyy/mm/dd hh24:mi' ),
                              13,
                              14
                             ),
        count_Periods_Between(TO_DATE( '2013/11/14 07:00', 'yyyy/mm/dd hh24:mi' ),
                              TO_DATE( '2013/11/16 15:00', 'yyyy/mm/dd hh24:mi' ),
                              6,
                              14
                             ),
        count_Periods_Between(TO_DATE( '2013/11/14 07:00', 'yyyy/mm/dd hh24:mi' ),
                              TO_DATE( '2013/11/16 15:00', 'yyyy/mm/dd hh24:mi' ),
                              7,
                              15
                             ),
        count_Periods_Between(TO_DATE( '2013/11/14 07:00', 'yyyy/mm/dd hh24:mi' ),
                              TO_DATE( '2013/11/16 15:00', 'yyyy/mm/dd hh24:mi' ),
                              14,
                              16
                             )
FROM DUAL;

SQLFIDDLE

Check if current date is between two dates Oracle SQL

You don't need to apply to_date() to sysdate. It is already there:

select 1
from dual 
WHERE sysdate BETWEEN TO_DATE('28/02/2014', 'DD/MM/YYYY') AND TO_DATE('20/06/2014', 'DD/MM/YYYY');

If you are concerned about the time component on the date, then use trunc():

select 1
from dual 
WHERE trunc(sysdate) BETWEEN TO_DATE('28/02/2014', 'DD/MM/YYYY') AND
                             TO_DATE('20/06/2014', 'DD/MM/YYYY');

Oracle query between two timestamps not returning records

SYSTIMESTAMP returns a TIMESTAMP WITH TIME ZONE value.

Assuming update_date is also a TIMESTAMP WITH TIME ZONE you don't need any cast at all, simply run

update_date BETWEEN SYSTIMESTAMP - interval '15' minute AND SYSTIMESTAMP

Comparisons are always done internally in UTC, see Datetime and Interval Arithmetic:

Oracle Database performs all timestamp arithmetic in UTC time. For
TIMESTAMP WITH LOCAL TIME ZONE data, Oracle Database converts the
datetime value from the database time zone to UTC and converts back to
the database time zone after performing the arithmetic. For TIMESTAMP
WITH TIME ZONE data, the datetime value is always in UTC, so no
conversion is necessary.

As you have DATE values in PST (nb, how do you handle daylight-saving-times in this case?) you would run

FROM_TZ(CAST(update_date AS TIMESTAMP), 'PST') BETWEEN SYSTIMESTAMP - interval '15' minute AND SYSTIMESTAMP

ORACLE SQL: Select records with time difference less than a minute

Get the previous timestamp using lag(). The rest is just basic querying:

select acct_number, trunc(LOG_EVENT_TMST)
from (select cl.*, lag(log_event_tmst) over (partition by acct_number order by log_event_tmst) as prev_let
      from customer_log cl
      where LOG_EVENT_TMST > to_date('03/01/2015 00:00:00','MM/DD/YYYY HH24:MI:SS')
     ) cl
where (log_event_tmst - prevlet) < 1.0 / (60 * 24)
group by acct_number, trunc(LOG_EVENT_TMST);

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