DataBase System Ks Domain Types in SQL H char(n): Fixed length character string, with user-specified length n E varchar(n): Variable length character strings, with user specified maximum length n E int: Integer(a finite subset of the integers that is machine dependent) E smallint: Small integer(a machine-dependent subset of the integer domain type) E numeric(p, d): Fixed point number, with user-specified precision of p digits, with n digits to the right of decimal point Haichang Gao, Software School, Xidian University 8DataBase System Haichang Gao , Software School , Xidian University 8 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