SQL Data types,”char(size) Fixed-length character string. Size is specified in parenthesis. Max 255 bytes.varchar(size) Variable-length character string. Max size is specified in parenthesis.number(size) Number value with a max number of column digits specified in parenthesis.date Date valuenumber(size,d) Number value with a maximum number of digits of “”size”” total
with a maximum number of “”d”” digits to the right of the decimal.”