It's just a display issue that has confused you. In oracle, the difference (in days and/or fractions thereof) between two DATEs can be found using subtraction: SELECT DATE '2016-03-23' - DATE '2015-12-25' AS difference FROM DUAL; Outputs the number of days between the two dates: DIFFERENCE ----- 89 And: There are ways to convert such a string to a date; Oracle SQL, for example, has the TO_DATE function, which can converts strings representing a wide variety of date formats to standard DATE format data. WHERE MBH.MKTHOUR >= TO_DATE(’07-21-2005 05:00:00′,’MM-DD-YYYY HH24:MI:SS’) I have to compare a date and sysdate and get the resutls but it fails to give the desired results. Oracle GoldenGate add trandata errors. The next Oracle date diff example we will do it – turning the output in hours. 3. SELECT ((SYSDATE+1) - SYSDATE) * 24 AS Hours FROM DUAL; To change the result in minutes you will need to multiply the last returned number with 60 minutes. To_Date function is used to convert strings into date values. Arguments. For example you want to see what was the day on 15-aug-1947. This person is a verified professional. For. Oracle SQL compare two dates. The Oracle TO_CHAR() accepts three arguments:. by anthony7445. The data type of expr can be DATE, TIMESTAMP, TIMESTAMP WITH TIME ZONE, or TIMESTAMP WITH LOCAL TIME ZONE.. 2) date_format The date_format is a string that determines the format that the result string should be in.. SELECT productName, productDesc FROM Products WHERE Convert (DATE, createdDate) = '2013-06-01' Example 4 (MySQL Date: vendor dependent but other databases may support this): SELECT productName, productDesc FROM Products WHERE Date (createdDate) = '2013-06-01' Example 5 (Oracle/Postgres Trunc: vendor dependent but other databases may support this): Solved Oracle. 0. Oracle has expanded on the DATE datatype and has given us the TIMESTAMP datatype which stores all the information that the DATE datatype stores, but also includes fractional seconds. 3. Compare dates problems. Valid date range from January 1, 4712 BC to December 31, 9999 AD. Definition of the Oracle DATE datatype (from here):. on Oct 19, 2017 at 19:51 UTC. when I put the date instead of sysdate it works. Answer: In Oracle, dates have a DATE internal format and comparing DATES should be with matching data types, preferably a DATE to DATE datatype. 0. Next: Oracle backup failing. The date_format … A date can be stored as a string: ‘19920701’ is a perfectly reasonable way to represent a date as a string. E.g. Your not actually comparing the end date to anything which is where you're missing something (it is expecting there result of your case statement to be compared to something) ... Oracle SQL - CASE in a WHERE clause. Verify your account to enable IT peers to see that you are a professional. Casting to a DATE datatype from a TIMESTAMP only removes the fractional seconds, therefore your direct to_date('20190516', 'yyyymmdd') comparison is rightly failing. The use the to_date function to first convert the string into date value and then pass on this value to to_char function to extract day. select to_char(to_date(’15-aug-1947’,’dd-mon-yyyy’),’Day’) from dual; TO_CHAR 1) expr The expr is a DATE or an INTERVAL value that should be converted.. Time difference between two date/times Hey GuysHoping you will be able to help with an issue I am having.I currently have information stored in a table as StartDate - stored as date (eg 18-APR-17) and StartTime - stored as a number(4,2) so 10.30am would be stored as 10.3 or 3.45pm would be stored as 15.45I would like to be ab