Question

Which of the following data types does the SQL standard not support?

(a) char(n)

(b) String(n)

(c) varchar(n)

(d) float(n)

The question was posed to me during an interview for a job.

Enquiry is from SQL Data definition topic in section Introduction to Relational Model and Sql of RDBMS

Answer 1

Right option is (b) String(n)

To explain I would say: The SQL standard does not support String(n) but it supports char, varchar and float.