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TO_CHAR (datetime) converts a datetime or interval value of DATE, TIMESTAMP, TIMESTAMP WITH TIME ZONE, TIMESTAMP WITH LOCAL TIME ZONE, INTERVAL DAY TO SECOND, or INTERVAL YEAR TO MONTH data type to a value of VARCHAR2 data type in the format specified by the date format fmt.
10 lip 2018 · Instead, if you want to have a TIMESTAMP with a particular format then you should convert it to a datatype which can have a format - a string. SELECT TO_CHAR( SYSTIMESTAMP, 'YYYY-MM-DD HH24:MI:SS' ) FROM DUAL; Then it does not matter what the user changes their default timestamp format to - your values will always be formatted how you expect.
This tutorial shows you how to use the Oracle TO_CHAR() function to convert a DATE or INTERVAL value to a string in a specified format.
TO_CHAR (datetime) converts a datetime or interval value of DATE, TIMESTAMP, TIMESTAMP WITH TIME ZONE, or TIMESTAMP WITH LOCAL TIME ZONE datatype to a value of VARCHAR2 datatype in the format specified by the date format fmt.
This statement converts date and timestamp values to the format specified in the TO_CHAR function.
3 sie 2017 · Format TIMESTAMP values. To change the output of a TIMESTAMP value, you use the TO_CHAR() function by passing the name of TIMESTAMP value or column as the first argument, and the format string as the second argument. The following statement uses the TO_CHAR() function to format values in the logged_at column:
18 sie 2021 · In Oracle Database, the TO_CHAR(datetime) function converts a datetime or interval value to a VARCHAR2 value in the format specified by the date format. Syntax. The syntax goes like this: TO_CHAR({ datetime | interval } [, fmt [, 'nlsparam' ] ]) Where:
