Check the hints used in SQL Query (Parallel, First_Rows)

Hi,
I have used above hints in my sql query and found no difference in execution time.
I just want to know whether the hints are used in my sql are not.
Could you please let me know where to check for it.
Thanks in advance

Can you post the SQL which uses these hints and the execution plan with and without those hints here? Then only community can help you find out if the hints are really used or not.
Please use code tags to preserve the format of execution plan.
Edited by: Satish Kandi on Jun 23, 2009 5:37 PM

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How to get a week number for the year using oracle sql query?

hi everyone,
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for example:
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02-JAN-13 wednesday 01
03-JAN-13 thursday 01
04-JAN-13 friday 01
05-JAN-13 saturday 01
06-JAN-13 sunday 02
07-JAN-13 monday 02
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27-DEC-13 friday 52
28-DEC-13 saturday 52
29-DEC-13 sunday 53
30-DEC-13 monday 53
31-DEC-13 tuesday 53
01-JAN-14 wednesday 01
02-JAN-14 thursday 01
how can i achieve this, can anyone please help me out on this..
i have a query that starts with 01 when year starts but it gives problem in the end of the year .. described below with a query..
select mydate,
to_char(mydate,'day') as weekday,
to_char(next_day(mydate,'sunday'),'iw') as week_num
FROM ( SELECT TRUNC (SYSDATE, 'yy') - 1 + LEVEL AS mydate
FROM dual
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- TRUNC (SYSDATE, 'yy')
FROM DUAL))
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when i run this query ,at the end of the 2013 it gives the result as,
26-DEC-13 thursday 52
27-DEC-13 friday 52
28-DEC-13 saturday 52
29-DEC-13 sunday 01
30-DEC-13 monday 01
31-DEC-13 tuesday 01
01-JAN-14 wednesday 01
02-JAN-14 thursday 01
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thanks,
pradeep

I tried with the IW ...
it is giving week_id for the year.
select
mydate,
to_char(mydate,'day'),
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then to_number(to_char(mydate,'yyyy')||to_char(trunc(mydate,'yyyy'),'iw'))
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then to_number(to_char(mydate,'yyyy')||to_char(next_day(mydate,'sunday'),'iw'))
when mydate between trunc(add_months(trunc(mydate,'yyyy'),12)-1,'d') and add_months(trunc(mydate,'yyyy'),12)-1
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FROM DUAL
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How do i search for the names of the tables in the database using select statement? I do not know the names of the tables but I know the name of the database and i do not have the sys priviliges.
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Hi
I am facing the following issue while generating xml using an sql query. I get the below given table using a query.
 CODE ID MARK
==================================
1 4 2331 809
2 4 1772 802
3 4 2331 845
4 5 2331 804
5 5 2331 800
6 5 2210 801
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<IDS>
<ID>2331</ID>
<ID>1772</ID>
</IDS>
<MARKS>
809
802
845
</MARKS>
</data>
<data>
<CODE>5</CODE>
<IDS>
<ID>2331</ID>
<ID>2210</ID>
</IDS>
<MARKS>
804
800
801
</MARKS>
</data>
Can anyone help me with some idea to generate the above given CLOB message

not sure if this is the right way to do it but
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WITH data AS (SELECT 4 code, 2331 id, 809 mark FROM DUAL
 UNION
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 UNION
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 UNION
 SELECT 5, 2331, 800 FROM DUAL
 UNION
 SELECT 5, 2210, 801 FROM DUAL)
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 '<DATA>'
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 || '</DATA>')
 xml
FROM ( SELECT '<CODE>'
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 || '</ID><IDS><MARKS>'
 || LISTAGG (mark, '') WITHIN GROUP (ORDER BY id)
 || '</MARKS>'
 xml
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Is there any function module to get the variables used in a query?

Hi experts
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Thanks and regards
Luis

Hi Srini
Yes, I have checked the tables but I need a function module
Thanks anyway!
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Using multiple sql query

Im writing a jsp that pulls data from the database and loads it into dropdown-list looks like this:
<select name="Source">
<%
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<%}
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You know how to get a connection and how to execute a query and how to process the resultset - so what's standing in your way of doing that for the faculty ID?
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Thanks

Naveen B wrote:
Hi All,
How to pass the result of a SQL Query as parameter to another SQL Query
Eg: I am doing the steps below.
1) select distinct table_name as TAB1 from all_tab_cols where table_name like 'T_%' and column_name like '%XYZ'
2) I want to pass the table_name from step 1 above as parameter to another query "select * from TAB1"
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http://kamranagayev.wordpress.com
[Step by Step install Oracle on Linux and Automate the installation using Shell Script |http://kamranagayev.wordpress.com/2009/05/01/step-by-step-installing-oracle-database-10g-release-2-on-linux-centos-and-automate-the-installation-using-linux-shell-script/]

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select @FromDate = DATEADD(m,DATEDIFF(m,0,@BetweenDate),0)
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thanks

declare
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Hi,
I would like to create a PL/SQL function that send the result of an sql query by Email as an excel file attachement.
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Hi Friends,
Can anyone help me out whether can we use the procedure in the sql query..
if yes help me out with an example
my requirement is
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for your reference i am pasting the sql query
SELECT paf.person_id
FROM per_all_assignments_f paf START WITH paf.person_id = p_person_id
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AND l_effective_date BETWEEN paf.effective_start_date
AND paf.effective_end_date
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AND paf.effective_end_date
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Thanks in advance

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is
begin
open out_members for
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end get_members;
Procedure created.
SQL> create or replace type numbers as table of number;
Type created.
SQL> create or replace function members(in_something IN number)
return numbers
as
member_cur sys_refcursor;
members numbers;
begin
get_members(in_something, member_cur);
fetch member_cur bulk collect into members;
close member_cur;
return members;
end;
Function created.
SQL> select * from table(members(4));
COLUMN_VALUE
 1
 2
 3
 4
4 rows selected.Variant on same using piplined function
SQL> create or replace function members_piped(in_something IN number)
return numbers pipelined
as
member_cur sys_refcursor;
rec number;
begin
get_members(in_something, member_cur);
loop
 fetch member_cur into rec;
 exit when member_cur%notfound;
 pipe row(rec);
end loop;
close member_cur;
return;
end;
Function created.
SQL> select * from table(members_piped(4));
COLUMN_VALUE
 1
 2
 3
 4
4 rows selected.
SQL> drop function members_piped;
Function dropped.
SQL> drop function members;
Function dropped.
SQL> drop type numbers;
Type dropped.
SQL> drop procedure get_members;
Procedure droppedEdit:
Sorry Blu, had not seen you already posted similar thing
Edited by: Peter on Jan 27, 2011 5:38 AM

How to find a dependent row in the all tables using single SQL query

hi all,
I have created some table with master and some dependent tables.I want to mark a (row)tuple as inactive in master so that corresponding child records also should be marked as inactive.
So i decided to mark the master and dependent records as inactive starting from master table and traverse to child tables.
So I need SQL query to fetch all dependend records to the row(marked row in the master ) from the master table and dependent rows from the child row and to mark as flag inactive.
can anybody help me out to build this query or any other way to mark flag as inactive ?
Regards
punithan

You can find dependant tables from ALL_CONSTRAINTS, e.g:
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Table created.
SQL> CREATE TABLE d1 (m_id REFERENCES m, flag VARCHAR2(1) NOT NULL);
Table created.
SQL> CREATE TABLE d2 (m_id REFERENCES m, flag VARCHAR2(1) NOT NULL);
Table created.
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2 FROM   all_constraints c
3 WHERE c.constraint_type = 'R'
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6           FROM   user_constraints
7           WHERE table_name = 'M'
8           AND    constraint_type IN ('U','P') );
TABLE_NAME                     OWNER                          STATUS
D2                             WILLIAMR                       ENABLED
D1                             WILLIAMR                       ENABLED
2 rows selected.There is no SQL command to apply all updates in one go, if that's what you were looking for.
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Use an SQL Query in a backing bean

hi,
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thanks in advance

Hi,
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If you run this you will see that when you create a new employee it has a default value.
Gabriel.

Check the hints used in SQL Query (Parallel, First_Rows)

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