How to use the CAST function to convert dates in Oracle…

In Oracle, you can convert date data types using the CAST function. The specific syntax is as follows:

SELECT CAST(date_column AS target_data_type) FROM table_name;

In this case, date_column is the column to be converted, and target_data_type is the desired date data type. Here are some common date data types and their conversion examples:

1. Convert the date to a string.

SELECT CAST(date_column AS VARCHAR2(10)) FROM table_name;

1. Convert the date to a datetime.

SELECT CAST(date_column AS TIMESTAMP) FROM table_name;

1. Convert the date to time.

SELECT CAST(date_column AS TIME) FROM table_name;

It is important to note that the output of the conversion may be influenced by the date format and language environment. The TO_CHAR function can be used to specify the date format.

For example, converting a date to a string in a specific format:

SELECT TO_CHAR(date_column, 'YYYY-MM-DD') FROM table_name;