How to convert different string formats into date in oracle?

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Aryan Kumar · Answer

To convert different string formats into date in Oracle, you can use the TO_DATE() function. The TO_DATE() function takes two arguments: the string to convert and the date format. The date format is a string that specifies the format of the string to convert.

For example, the following code converts a string in the format "DD-MM-YYYY" to a date:

SQL

SELECT TO_DATE('2023-07-18', 'DD-MM-YYYY');

This code would return the date 2023-07-18.

Here is a table of some of the common date formats that you can use with the TO_DATE() function:

Date Format	Description
`DD-MM-YYYY`	The day, month, and year in the format "DD-MM-YYYY".
`YYYY-MM-DD`	The year, month, and day in the format "YYYY-MM-DD".
`MM/DD/YYYY`	The month, day, and year in the format "MM/DD/YYYY".
`DD Mon YYYY`	The day, month abbreviation, and year in the format "DD Mon YYYY".

You can also use the TO_DATE() function to convert a string in a custom format to a date. For example, the following code converts a string in the format "YYYYMMDD" to a date:

SQL

SELECT TO_DATE('20230718', 'YYYYMMDD');

This code would also return the date 2023-07-18.

The TO_DATE() function is a powerful tool that you can use to convert different string formats into dates in Oracle. By using the TO_DATE() function, you can ensure that your dates are stored in a consistent format.

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