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3 cze 2009 · Here is an answer based on an answer above: It uses a start and end date: It lists all of the days of 07/01/2013 to 07/31/2013. Easily adaptable to any date range. SELECT to_date('07/01/2013', 'mm/dd/yyyy') + LEVEL - 1 AS today FROM dual CONNECT BY LEVEL <= to_date('07/31/2013', 'mm/dd/yyyy') - to_date('07/01/2013', 'mm/dd/yyyy') + 1;
7 sty 2009 · SELECT (date'2015-08-03' + (LEVEL-1)) AS DATES FROM DUAL where ROWNUM < 8 connect by level <= (sysdate-date'2015-08-03'); if you omit ROWNUM you get 50 rows only, independent of the value.
Extract a value of a date time field e.g., YEAR, MONTH, DAY, … from a date time value. FROM_TZ: FROM_TZ(TIMESTAMP '2017-08-08 08:09:10', '-09:00') 08-AUG-17 08.09.10.000000000 AM -07:00: Convert a timestamp and a time zone to a TIMESTAMP WITH TIME ZONE value: LAST_DAY: LAST_DAY(DATE '2016-02-01') 29-FEB-16: Gets the last day of the month of a ...
2 cze 2011 · Personally I'd use fast dual: select to_date('13-01-20','dd-mm-yy') + rownum -1 atten_date from dual connect by level <= to_date('31-01-20','dd-mm-yy')-to_date('14-01-20','dd-mm-yy')+1; Or create a real table of dates.
Selecting from the DUAL table is useful for computing a constant expression with the SELECT statement. Because DUAL has only one row, the constant is returned only once. Alternatively, you can select a constant, pseudocolumn, or expression from any table, but the value will be returned as many times as there are rows in the table.
There are many different date and time functions in Oracle, and they behave differently than other databases. ... An example of the SYSDATE function is: SELECT SYSDATE FROM dual; Result: 10/SEP/22. ... Now, let’s rerun the SELECT statement with the SYSDATE function. SELECT SYSDATE FROM dual; Result: 2022-09-10 08:54:19.
Date Function Usage; SYSDATE: Returns the current date-time from the operating system of the database server. SELECT SYSDATE FROM dual; SYSDATE ----- 10/07/2004 18:34:12 1 row selected.
