No_data_found exception for PL/SQL

a definition

The No_data_found exception is raised when the query data is not found.

Two examples

1. --系统例外：no_data_found
2. set serveroutput on
3. declare
4. pename emp.ename%type;
5. begin
6. --查询员工号时1234的员工的姓名
7. select ename into pename from emp where empno =1234;
8. exception
9. when no_data_found then dbms_output.put_line('没有找到该员工');
10. when others then dbms_output.put_line('其他例外');
11. end;
12. /

Three running results

The employee was not found