SQL> create table student(id number,name varchar2(30),Description varchar2(100));
SQL> insert into student(id,name,Descrtiption) values(1,'Munna','Smart & Positive');
Enter value for positive:
Asking for input.
Solution:
SQL> set define off
SQL> insert into student(id,name,Description) values(1,'Munna','Smart & Positive');
1 row created.
Or
SQL> set escape on
SQL> insert into student(id,name,Description) values(1,'Munna','Smart \& Positive');
1 row created.