Detailed usage examples of the to_date function in Oracle (converting date formats in Oracle) are shown.
In Oracle, the TO_DATE() function is used to convert a string to a date. Its basic syntax is as follows:
TO_DATE(string, format)
In this case, “string” refers to the string to be converted, and “format” refers to the date format of the string.
Here are some common examples:
- Convert a string to a date:
- Convert the date ‘2022-01-01’ to the desired format and output it using the TO_DATE function.
- Convert string with time to a date.
- Convert the date and time ‘2022-01-01 09:30:00’ to another format.
- Convert a string containing the abbreviation of a month to a date.
- Convert the date ‘Jan 01, 2022’ to the format ‘Mon DD, YYYY’ and display it using the SELECT statement.
- Convert a string containing the full name of an English month to a date.
- Convert ‘January 01, 2022’ to a date format in YYYY-MM-DD from dual;
- Convert a string containing abbreviated years to dates.
- Convert ’01-Jan-22′ to a date format in Oracle.
- Convert a string containing English weekdays into a date:
- Convert the date Monday, January 01, 2022 into the specified format.
- Convert a string to a date in an INSERT statement using the TO_DATE() function.
- Add a record to the table with the date ‘2022-01-01’.
Note: When using the TO_DATE() function, make sure that the date format of the string matches the format parameter to avoid any errors.