How to print all records in database ?

Hello,
I am developing a small Database System. Which is used to store some information about student and then print that record, which I want to print. I have used JPanel for Printing single record. As like When I insert student id in TextBox. which is unique. then Click on Search button that is use for searching Record from database. After that the information shown in belowing JPanel. Then using one button for printing this record. It is printing only one record that I have searched. Now what is the problem, I want to print All record from database(can be 500 or 5000) without mentioning any student id in textbox.
Any type of help Appreciated.
Thanks in advance.
Manveer

Hello Manveer,
your problem is neither Swing-related or in any other way java specific.
If you manage to get the data of one student, excellent. Now modify your db-query in the way that the result set returns all students. Loop over the result set and print as usual.

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Hello friends ,
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You have to write the program in different way. In your case the function always returns only one value. You can see only one department detail as output.
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SQL> set serveroutput on
SQL> declare
2 type depcur is ref cursor return departments%rowtype;
3 dep depcur;
4 rec departments%rowtype;
5 function ref_cur_demo(ref1 in depcur) return departments%rowtype
6 is
7 v_dep departments%rowtype;
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9 loop
10 fetch ref1 into v_dep;
11 exit when ref1%notfound;
12 end loop;
13 return v_dep;
14 end;
15 begin
16 open dep for select *from departments;
17 rec:=ref_cur_demo(dep);
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19 dbms_output.put_line(rec.department_id||' '|| rec.department_name||'    '|| rec.manager_id||'    '||rec.location_id);
20 end;
21 /
270 Payroll        1700
PL/SQL procedure successfully completed.
Here is the sample code which will demonstrates using ref cursors.
SQL> create or replace function get_dept_detail
2 return sys_refcursor
3 is
4
5     x_res sys_refcursor;
6
7 begin
8
9     open x_res for select * from departments;
10     return x_res;
11
12 end get_dept_detail;
13 /
Function created.
SQL>
SQL>
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SQL>
SQL> declare
2
3      res sys_refcursor;
4      l_rec departments%rowtype;
5
6 begin
7
8     res := get_dept_detail;
9
10     loop
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15
16 end;
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10 Administration
20 Marketing
30 Purchasing
40 Human Resources
50 Shipping
60 IT
70 Public Relations
80 Sales
90 Executive
100 Finance
110 Accounting
120 Treasury
130 Corporate Tax
140 Control And Credit
150 Shareholder Services
160 Benefits
170 Manufacturing
180 Construction
190 Contracting
200 Operations
210 IT Support
220 NOC
230 IT Helpdesk
240 Government Sales
250 Retail Sales
260 Recruiting
270 Payroll
PL/SQL procedure successfully completed.
SQL>
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SQL>
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PL/SQL procedure successfully completed.
SQL>
SQL> print res;
DEPARTMENT_ID DEPARTMENT_NAME                MANAGER_ID LOCATION_ID
           10 Administration                        200        1700
           20 Marketing                             201        1800
           30 Purchasing                            114        1700
           40 Human Resources                       203        2400
           50 Shipping                              121        1500
           60 IT                                    103        1400
           70 Public Relations                      204        2700
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           90 Executive                             100        1700
          100 Finance                               108        1700
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DEPARTMENT_ID DEPARTMENT_NAME                MANAGER_ID LOCATION_ID
          120 Treasury                                         1700
          130 Corporate Tax                                    1700
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          150 Shareholder Services                             1700
          160 Benefits                                         1700
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          180 Construction                                     1700
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          240 Government Sales                                 1700
          250 Retail Sales                                     1700
          260 Recruiting                                       1700
          270 Payroll                                          1700
27 rows selected.
SQL>
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Suri ;-)

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Hi
Thanks for the prompt reply but this does not solve my problem.
First thing I appologise for giving you incorrect info. Actually I have many more constraints on the search apart from OS.
Didn't think I would get single constraint specific ans.
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