How to get subgroup rows using SP

Question

I need to get some rows (NOT ALL ROWS, NOT FIRST n ROWS) from a query SP, below is my code: Can anyone help me to get the rows starting at row startrowno and ending at stoprowno ?
CREATE OR REPLACE PACKAGE BODY emppkg AS
procedure querysubrows (
table_name VARCHAR2,
startrowno IN NUMBER,
stoprowno IN NUMBER,
orderbystring IN VARCHAR2,
totalrows OUT NUMBER,
sum_cv IN OUT sumCur) AS
sql_statement VARCHAR2(1000);
BEGIN
sql_statement :='SELECT * FROM '| |table_name| |' ORDER BY :str';
OPEN sum_cv FOR sql_statement USING orderbystring;
LOOP
END LOOP;
END;
END;
Thanks in advance

Answer 1

Here u go.......
CREATE OR REPLACE PACKAGE BODY emppkg AS
procedure querysubrows (
table_name VARCHAR2,
startrowno IN NUMBER,
stoprowno IN NUMBER,
orderbystring IN VARCHAR2,
totalrows OUT NUMBER,
sum_cv IN OUT sumCur) AS
sql_statement VARCHAR2(1000);
BEGIN
sql_statement :='SELECT * FROM (SELECT ROWNUM A,'| |table_name| |
'.* from '| |table_name| |' ORDER BY :str)'| |
'WHERE A BETWEEN '| |startrowno| |' AND '| |stoprowno;
OPEN sum_cv FOR sql_statement USING orderbystring;
LOOP
END LOOP;
END;
END;
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