1 sql comment // -----------------------------------------------------------------------
2 sql comment // Filename: minvalue.sql
3 sql comment // Purpose: Select the Nth lowest value from a table
4 sql comment // Date: 18-Apr-2001
5 sql comment // Author: Deepak Rai, SSE, Satyam Computer Services Ltd. India
6 sql comment // -----------------------------------------------------------------------
8 sql comment ## Comment with a hash symbol ##
9 sql code select level, min('col_name') from my_table
10 sql code where level = '&n'
11 sql code connect by prior ('col_name') < 'col_name')
12 sql code group by level;
14 sql comment /* a block comment
15 sql comment -- finished here */
17 sql comment -- Example:
19 sql comment -- Given a table called emp with the following columns:
20 sql comment -- id number
21 sql comment -- name varchar2(20)
22 sql comment -- sal number
24 sql comment -- For the second lowest salary:
26 sql comment -- select level, min(sal) from emp
27 sql comment -- where level=2
28 sql comment -- connect by prior sal < sal
29 sql comment -- group by level