Pininig frquently used sql statements in SGA

Hi
Can you pls let me know the procedure to pin Oracle sql or pl/sql statements into SGA
Thanks in anticipation.
Hariharan.T

William Robertson wrote:
Perhaps it is used frequently but other code is used even more frequently.Yep, and of course pinning the less frequently used code will cause the more frequently used code to be aged out which will require pinning that code which in turn will age out code that is run even more frequently to be aged out which will require pinning that until everything but the most frequently used code will be pinned and the most frequently used code will be aged out.

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Add sql statements in SGA

select a.address address,
s.hash_value hash_value,
s.piece piece,
s.sql_text sql_text,
u.username parsing_user_id,
c.username parsing_schema_id
from v$sqlarea a,
v$sqltext_with_newlines s,
dba_users u,
dba_users c
where a.address=s.address
and a.hash_value=s.hash_value
and a.parsing_user_id=u.user_id
and a.parsing_schema_id=c.user_id
and exists (select 'x'
from v$sqltext_with_newlines x
where x.address=a.address
and x.hash_value=a.hash_value
and upper(x.sql_text) like '%UNION%')
order by 1,2,3
On executing the above statement the server display list of sqltext present in sga. We know that the server first search for the record in sga and if it is not
present in SGA it searches in data files.
My question is ,adding all the sql statements in sga manually is advisable? will that improve the performance?

Vinodh2 wrote:
In production the users uses some sql statement frequently. So those statements should be in the sga for better performance. The dbms package said by you takes object as input. What is object here?
Did you check the last line I pasted from document?
The value for this identifier is the concatenation of the address and hash_value columns from the v$sqlarea view.Each SQL in SQL AREA has a hash_value to identify it. You can use this hash value to decide which SQL want to keep in shared pool.
Having Dynamic sql statements(records fetched based on varying filter condtion) called from interfaces will not help.
But having static sql statements helps.
In that case how to include those sql.Like said, you are introducing some more problems instead of any real gain by trying to micro manage how shared pool work. You should let Oracle take care it with it's own algorithm. Unless some rare cases, that you have limited shared pool and super busy system you want to pin some SQL in the shared pool with provide package.

Assigning values to 2 fields using sql statement

db11g , apex 4.0 and firefox 24 ,
hi all ,
i am trying to follow this tutorial to assign values to 2 items on a page using sql statement ,
and i am using the same sql statement the tutorial uses
select d.loc location, count(e.empno) num_employees from dept d, emp e where d.deptno = e.deptno(+) and d.deptno = :P3_DEPTNO group by d.loc -- btw , what does the "+" sign mean?
after the e.deptno in the where condition .
but i am facing this error
1 error has occurred
Wrong number of columns selected in the SQL query. See Help of attribute for details.
and it does not work with two columns in the select statement under any conditions , i tried to remove the group function and the group clause ,
it does not work unless i use only one column in the select statement ??
thanks

Pars
And how exactly is this rewrite of the sql statement resolving the OP's issue.
You are still using more than 1 column which will still result in the error message:
Wrong number of columns selected in the SQL query.
As mentioned in my earlier post APEX 4.0 (the version the OP is using) does not handle a sql statement with multiple columns for the dynamic action Set Value.
Which means the fastest and simplest solution is splitting up the dynamic action in multiple Set Value actions.
Using this plugin or upgrade to a newer apex version would also be a possibility.
Nicolette

Using SQL Statements in Error Exceptions

Is there any way to include SQL statements within my catch routines (i.e.
catch (java.io.IOException ex) {
System.out.println("An error occurred whilst writing to the message buffer: " + ex);
#sql { INSERT INTO DEBUG_TBL(CURRENT_DT,PROGRAM_ID,DEBUG__MESG) VALUES (SYSDATE,'TEST',:ex) };
#sql { COMMIT };
As it stands I get the following error upon compile:
Error: Unsupported Java type for host item (at position#1): java.io.IOException
Any help would be greatly appreciated.
Thx,
Boybles
null

You can use SQL statements in your catch blocks, just not SQL statements that use Java types which do not map to SQL.
You cannot pass exceptions from Java to SQL. You can catch a SQL exceptions as a SQLException in Java. However, any exception that is thrown by a Java Stored Procedure (including SQLException) is rendered as an "Uncaught Java exception" in SQL.
When you receive a SQLException there is information about the originator, the error message, etc. in the exception object. See:
http://technet.oracle.com/docs/products/oracle8i/doc_library/817_doc/java.817/a83723/keyprog5.htm#1004462
While you cannot insert a Java exception per se into a table, you can extract the message string(s)/code and insert that in a table.

Issue Related to limit the result in prompt by using SQL statement.

Hello Gurus,
I am facing one issue rite now with our testing environment in some Dashboard Prompt. it seems like they are working fine in our Development environment.
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Here is the SQL that I am using SELECT Time."Fiscal Year" FROM "Financials - AP Overview" where Time."Fiscal Year" <= VALUEOF(NQ_SESSION.CURRENT_FSCL_YEAR) AND Time."Fiscal Year" >= (VALUEOF(NQ_SESSION.CURRENT_FSCL_YEAR)-2) ORDER BY TIme."Fiscal Year" desc
Now it's working fine in our Dev but geeting failed in Test environment.
it's giving below error.
Odbc driver returned an error (SQLExecDirectW).
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred.
[nQSError: 43113] Message returned from OBIS.
[nQSError: 43119] Query Failed:
[nQSError: 22023] An arithmetic operation is being carried out on a non-numeric type. (HY000)
SQL Issued: SELECT Time."Fiscal Year" FROM "Financials - AP Overview" where Time."Fiscal Year" <= VALUEOF(NQ_SESSION.CURRENT_FSCL_YEAR) AND Time."Fiscal Year" >= (VALUEOF(NQ_SESSION.CURRENT_FSCL_YEAR)-2) ORDER BY TIme."Fiscal Year" desc
Please let me know your output.
Thanking You..

Couple of possibilities..
1. environments may be at different patch sets, may be causing the issue.
2. data in working environment is fine but in other environment.
to further debug use the same logical sql in both environments and compare the results..
hope this helps..

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The SQL statement in VB6.0 look like this :
General Declaration
Dim conn as New ADODB.Connection
Dim rs as New ADODB.Recordset
Private Sub Command1_Click()
dim sql as string
sql = " UPDATE my_table " & _
" SET Name = ' " & Text3.Text & " ' " & _
" AND Unit = ' " & Text2.Text & " ' " & _
" WHERE ID = ' " & Text1.Text & " ' "
conn.Execute (sql)
Private Sub Form Load()
Set conn = New ADODB.Connection
conn.Open "Provider=MSDASQL;" & "Data Source=my_table;"& "User ID =marketing;" & "Password=pass123;"
I'm sorry about my language.
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Best Regards,
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The syntax should be
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FLD_2 = 'YYYY'
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From Samson

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Please see the following docs.
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How do I use SQL statements to perform calculations with form fields????

Please help!!! I don't know how to use a SQL statement within my APEX form......
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Start_Date ____________
Per_Period ____________
Period ____________
[Submit Button]
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Period 4____________
[Submit Button]
Then they will click the Submit Button.
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21-MAR-2008 00:00 200 Week 2 of 4
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04-APR-2008 00:00 200 Week 4 of 4
Total 800
This is the full text of the SQL that makes the output above:
with criteria as (select to_date('03/14/08', 'mm/dd/rr') as start_date,
4 as periods,
'Week' as period,
200 per_period from dual),
periods as (select 'Week' period, 7 days, 0 months from dual
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union all select 'Month', 0, 1 from dual
union all select 'ByMonth', 0, 2 from dual
union all select 'Quarter', 0, 3 from dual
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t1 as (
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per_period,
c.period||' '||level||' of '||c.periods period
from criteria c join periods p on c.period = p.period
connect by level <= periods)
select case grouping(start_date)
when 1 then 'Total'
else to_char(start_date)
end start_date,
sum(per_period) per_period,
period
from t1
group by rollup ((start_date, period))
THANKS VERY MUCH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

You're just doing a parameterized report, where the input fields are your parameters.
Check out the Advanced Tutorial titled Parameterized Report here:
http://download.oracle.com/docs/cd/E10513_01/doc/appdev.310/e10497/rprt_query.htm#BGBEEBJA
Good luck,
Stew

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Hi All ,
May i know any way used sql loader refer sql statement e.g "select a from test"
import data into other table ?
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Configuring the appbuilder chart using SQL Statements

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Thanks for the reply!!!
Have a nice day!!!

Retrieve int using sql statements

Hi there,
Does anyone have any ideas as to how i can update a database table with an integer, returned from a second table as part of an sql statement.
Here is part of the method to get the value i want out of the database:
public int retrieveId() throws SQLException
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rs.getInt(1);
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sta.setInt(1, retrieveId());
sta.executeUpdate();
sta.close();
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Thanks for your Time

One thing though, if the statment execution failed for any reason, then you are not closing your statement/result set which will cause problems down the line.
public int retrieveId()
String query = "";
try {
query = "SELECT MAX(cid) FROM Customer";
Statement stmt = connect.createStatement();
ResultSet rs = stmt.executeQuery(query);
rs.next();
int a = rs.getInt(1);
rs.close();
stmt.close();
return a;
catch(Exception ex) {
System.out.println(ex);
return null;
}Try this instead:
public int retrieveId()
   String query = "";
   ResultSet rs = null;
   Statement stmt = null;
   try {
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    stmt = connect.createStatement();
    rs = stmt.executeQuery(query);
    rs.next();
    int a = rs.getInt(1);
    return a;
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    System.out.println(ex);
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     try { rs.close(); } catch ( Exception e ) {}
     try { stmt.close(); } catch ( Exception e ) {}
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I have primary key on three columns and I want to write a sql statement to insert a row only if the matching three columns doesn't exist in the database.
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(service_page, service_type, service_name, root_path)
select [column name], [column name], [column name]
from [table name]
where ([column name], [column name], [column name]) not in (select SERVICE_PAGE, SERVICE_TYPE, SERVICE_NAME
                                                               from JAVA_SERVICES);
begin
for i in (select [column name] col1, [column name] col2, [column name] col3
              from [table name]
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end loop;
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/

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Is that a way that i could use java sql statement for COUNT or SUM SQL Statement
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is the sql statement correct.

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Dear all
i have tables
RATING:
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76
55
60
80
90
95
100
20
30
32
34
i want to view this record into higher to lower and 5 records only will appear in sql ..
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100
95
90
80
76
thank you very much

select rating
from
(select rating
from table_name
order by rating desc)
where rownum <=5;
<br>
<br>
Message was edited by:
jeneesh
Misread the requirement first

Pininig frquently used sql statements in SGA

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