Oracle TRANSLATE Function Explained

In Oracle, the TRANSLATE function is used to replace certain characters in a string with other characters. It can serve the following purposes:

1. Character replacement: You can use the TRANSLATE function to replace certain characters in a string with other characters. By specifying the characters to be replaced and the target characters, you can achieve one-to-one character replacement.
2. Character deletion: You can use the TRANSLATE function to remove certain characters from a string. By specifying the characters to remove and setting the target characters as an empty string, you can achieve character deletion.
3. Character mapping: You can use the TRANSLATE function to replace certain characters in a string according to a specified mapping relationship. By specifying the correspondence between the characters to be replaced and the target characters, you can achieve one-to-many character replacements.

In conclusion, the TRANSLATE function can help us to replace and delete characters in the process of string manipulation.