How to convert VARCHAR2 and NVARCHAR2 in Oracle? Halo, I have to write a lot and write, and write the entire debugging process and the experience. Who knows that there are counts, but I can't write it. I have to write the most critical part. Let's take a look, welcome to exchange more! Key functions: Translate, use this function to convert text into varchar2 or nvarchar2 type; When data is imported or converted, it will be very troublesome! (Statement, I am a rookie, don't take things to shoot 俺 ^ - ^)