Domain Types in SQL char(n).Fixed length character string,with user-specified length n. varchar(n).Variable length character strings,with user-specified maximum length n. int.Integer(a finite subset of the integers that is machine-dependent). smallint.Small integer(a machine-dependent subset of the integer domain type). numeric(p,d).Fixed point number,with user-specified precision of p digits with n digits to the right of decimal point. real,double precision.Floating point and double-precision floating point numbers,with machine-dependent precision. float(n).Floating point number,with user-specified precision of at least n digits. More are covered in Chapter 4. Database System Concepts,5th Edition,Oct 5,2006 3.5 @Silberschatz,Korth and SudarshanDatabase System Concepts, 5 3.5 ©Silberschatz, Korth and Sudarshan th Edition, Oct 5, 2006 Domain Types in SQL char(n). Fixed length character string, with user-specified length n. varchar(n). Variable length character strings, with user-specified maximum length n. int. Integer (a finite subset of the integers that is machine-dependent). smallint. Small integer (a machine-dependent subset of the integer domain type). numeric(p,d). Fixed point number, with user-specified precision of p digits, with n digits to the right of decimal point. real, double precision. Floating point and double-precision floating point numbers, with machine-dependent precision. float(n). Floating point number, with user-specified precision of at least n digits. More are covered in Chapter 4