CHAR(n) specifies character data where n can be any value from 0 to:

1. CHAR is a fixed length character type. 2. Its length is capped by the data type itself. 3. CHAR(n) specifies character type data of length n from 0 to 255. 4. So the answer is 255. _Source: syllabus Computer Science, Ch 9 'Structured Query Language (SQL)'_