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sql comment // -----------------------------------------------------------------------
sql comment // Filename: minvalue.sql
sql comment // Purpose: Select the Nth lowest value from a table
sql comment // Date: 18-Apr-2001
sql comment // Author: Deepak Rai, SSE, Satyam Computer Services Ltd. India
sql comment // -----------------------------------------------------------------------
sql blank
sql comment ## Comment with a hash symbol ##
sql code select level, min('col_name') from my_table
sql code where level = '&n'
sql code connect by prior ('col_name') < 'col_name')
sql code group by level;
sql blank
sql comment /* a block comment
sql comment -- finished here */
sql blank
sql comment -- Example:
sql comment --
sql comment -- Given a table called emp with the following columns:
sql comment -- id number
sql comment -- name varchar2(20)
sql comment -- sal number
sql comment --
sql comment -- For the second lowest salary:
sql comment --
sql comment -- select level, min(sal) from emp
sql comment -- where level=2
sql comment -- connect by prior sal < sal
sql comment -- group by level
sql comment --
sql blank
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