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You need to convert sysdate to the valid char string format: to_date(NVL(start_date,to_char(SYSDATE,'MM/DD/YYYY')), 'MM/DD/YYYY') >= to_date(from_date, 'YYYY-MM-DD HH24:MI:SS')
1 Ιουν 2023 · Oracle DECODE Function with NULL Values. As I mentioned above, the Oracle DECODE function is an exception to other functions in how it handles NULL values. It treats a NULL expression and NULL search as equal (so NULL == NULL). So, this example will return 1: SELECT DECODE(NULL, NULL, 1, 0) FROM DUAL;
ALTER SESSION SET NLS_DATE_FORMAT='YYYYMMDD'; When doing a to_date on a two digit year, use YY when you want the first two digits of the year to match the current year, but use RR when you want the first two digits to be 20 for years ending in 0-49 and 19 for years ending in 50-99.
15 Φεβ 2018 · Using the FORMAT clause, which is the last in the Query clause order, we can format date, time, and number columns in Google Sheets Query. The QUERY function retains the formatting of dates, times, and numbers from the source data, but the FORMAT clause allows you to alter that formatting.
11 Αυγ 2011 · The decode always returns the date format in DD-MMM-YY format whereas I want it to return in MM/DD/YYYY format. select...
1 Ιαν 2017 · Use this function to assign default values of null values of date: SELECT id, NVL(start_date, to_date('20020101','YYYYMMDD')) FROM employee;
Purpose. DECODE compares expr to each search value one by one. If expr is equal to a search, then Oracle Database returns the corresponding result. If no match is found, then Oracle returns default. If default is omitted, then Oracle returns null.
