Oracle 11g - Record Query And Time To Fetch Results For A Specific User ID
Jul 22, 2013
I have an application connected to Oracle 11g that sends its own querys to the db based on what the user is clickng on. The applicaiton is connected via one user id and I was wondering, is there a way that I can capture the tiem each query starts, the sql itself, and the amount of time it took to fetch the data?
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Jun 2, 2010
There are several stages for sql processing in 10g2 database concept document.The following stages are necessary for each type of statement processing:
■ Stage 1: Create a Cursor
■ Stage 2: Parse the Statement
■ Stage 5: Bind Any Variables
■ Stage 7: Run the Statement
■ Stage 9: Close the Cursor
Optionally, you can include another stage:
■ Stage 6: Parallelize the Statement
Queries (SELECTs) require several additional stages, as shown in Figure 241:
■ Stage 3: Describe Results of a Query
■ Stage 4: Define Output of a Query
■ Stage 8: Fetch Rows of a Query
Stage 3: Describe Results of a Query The describe stage is necessary only if the characteristics of a query's result are not known; for example, when a query is entered interactively by a user. In this case, the describe stage determines the characteristics (datatypes, lengths, and names) of a query's result.
Stage 4: Define Output of a Query In the define stage for queries, you specify the location, size, and datatype of variables defined to receive each fetched value. These variables are called define variables. Oracle performs datatype conversion if necessary.
I still don't understand what's Stage 3: Describe Results of a Query and Stage 4: Define Output of a Query.
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Aug 18, 2010
after running some TPC-C performance benchmarks on oracle 11g/r2 the following results for average transaction time vs user load were found:
Userload 1 : 60ms
Userload 2 : 55ms
Userload 3 : 25ms
Userload 4 : 25ms
Surely these should be the other way wound, transaction time increasing as the number of users does?
what may have caused this? or are the user loads too small to be representative
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May 29, 2012
I'd like to know if it is possible to track DML actions issued on a specific table by a specific user, for example , i tried :
AUDIT SELECT on SCOTT.DEPT by HR by ACCESS;
I get an error, where is my syntax error ?
i want to know if it's possible to do it without trigger ?
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Oct 10, 2008
i cant find any oracle specific methods for chunking data -if i had returned rows of numbers, how could i chunk them into ranges?
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Dec 27, 2010
I have one inline view query which shows exec\ fetch : 2 sec\ 19 sec It gives 500 rows as final out put, when i give rownum<100 it shows exec\ fetch : 1 sec\ 000 sec, and i cannot use this rownum< 100 alternative as this is inline subquery of big query.
What does this exec and Fetch time is?
How to improve fetch time, (esp with sub-query) ?
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Apr 25, 2010
I am currently doing a project where i need to write a stored procedure which will be doing the following-
i)it will retrieve multiple columns from multiple tables in a single database(through join) based on certain conditions
II)then it will store the entire data in a certain field(File_data) of staging table
inside file_data a header and a trailer will be present with the records.also the field values will be pipe separated and a new record will start in a new line.
So,the data inside the file_data of staging table will look like this-
H|v1000
transdate|ordnmb|deposite_amt|order_status....
12-nov-09|123456|23.8|C...
4-dec-07|234567|67.7|R...
..........
7-jan-04|567890|54.7|x.....
T|234(record count)
i did this formatting using java, but my project leader wants me to do the formatting using SP,and wants me to use staging table.
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Feb 27, 2013
creating Oracle SQL query to fetch the information using PIVOT option.We are populating audit table using triggers. For every update, there will be two rows into audit table, one row with all OLD values and another with all NEW values. Also every updated is uniquely identified by Sequence No. Example for phone audit is mentioned below :
CREATE TABLE test_audit_phone
(
emplid VARCHAR2(10),
seqno NUMBER,
action VARCHAR2(3),
office NUMBER,
mobile NUMBER
);
Insert some rows into table.
INSERT INTO test_audit_phone VALUES ('100',1,'OLD',1111,9999)
/
INSERT INTO test_audit_phone VALUES ('100',1,'NEW',2222,9999)
/
INSERT INTO test_audit_phone VALUES ('100',2,'OLD',2222,9999)
/
INSERT INTO test_audit_phone VALUES ('100',2,'NEW',2222,8888)
/
Table will look like the following :
SQL> SELECT * FROM sysadm.test_audit_phone ;
EMPLID SEQNO ACT OFFICE MOBILE
---------- ---------- --- ---------- ----------
100 1 OLD 1111 9999
100 1 NEW 2222 9999
100 2 OLD 2222 9999
100 2 NEW 2222 8888
Now we have to present data in different format. For each field, display OLD and NEW values in column format.
EMPLIDFIELDOLDNEW
----- ------ ---- -----
100OFFICE11112222
100MOBILE99998888
Challenges :
1) Make pivoting with old and new values
2) For each field we have to show old and new values
3)if old and new values are same, dont show in report.
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Jun 1, 2012
declare
cursor c1 is select distinct edt, regno, name, desgn, form_no, form_status, recd_on
from ol_registration_vu
where RECD_ON between :control.REC_FROM and :control.REC_TO ;
[Code]....
this coding giving me only one record i.e the last record of the table, whereas the table has 50 records. how can i get all records from the table in the form datablock.
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Aug 17, 2012
I have a requirement with source table has duplicates so i need to select a row based upon the below condition.
Source table
EMP_NO ENAME SALARY CODE EMP_ID
1 TOM 1000 1 10
1 JOHN 2000 A 20
1 SAM 3000 A 30
2 TOM 500 1 40
2 SUNG 1500 1 50
Desired Output
EMP_NO ENAME SALARY CODE EMP_ID
1 TOM 1000 1 10
2 SUNG 1500 1 50
I tried with MAX and DENSE_RANK but its not getting me the first row.
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Aug 17, 2012
I have a requirement with source table has duplicates so i need to select a row based upon the a condition.
Source table
EMP_NO ENAME SALARY CODE EMP_ID
1 TOM 1000 1 10
1 JOHN 2000 A 20
1 SAM 3000 A 30
2 TOM 500 1 40
2 SUNG 1500 1 50
Desired Output
EMP_NO ENAME SALARY CODE EMP_ID
1 TOM 1000 1 10
2 SUNG 1500 1 50
I tried with MAX and DENSE_RANK but its not getting me the first row.
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Sep 9, 2010
i create form in which first block is non database having 2 items from_date and to_date and one button is there.when i click on button i.e when button pressed new window is open having new database block
i write code on when button pressed
HIDE_WINDOW('XX_RFQ_FIND');
SET_WINDOW_PROPERTY('XX_RFQ_FIND', visible, property_false);
SHOW_WINDOW('XX_RFQ_ACKT');
GO_ITEM('LE_NAME');
SEARCH_REQ;
[code]...
my problem is that when i click on button i fetch only one record
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Jan 6, 2011
i want to fetch records of emp whose hiredate between 1 sep to 30 sep of any year. i am using the below query but it show me wrong results.
select * from tran where to_char(timestamp,'DD-MM') between '01-SEP' and '30-SEP'
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Dec 18, 2008
I am using toad to output the details of the database. (I need these details in a format which i can then import into excel) However, When I run sporadic individual records through my query, the results come back correct and as expected. But when I run the full data set through my query a lot of the records have different values than what they do when run individually!
Ive spent all day on this script and its really a hack of various other cursors and scripts brought together. Its driving me mad as my code doesn't seem to be wrong (since the results are correct when a single record is run) yet there must be something wrong as my full data set does not return correctly!
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Jun 7, 2013
i want to fetch the data in my form from table, by using item_code.
eg when i write the item_code its value get matched in same table and fetch the another
columns by item_code.
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Apr 3, 2013
I have a form on a table that allows me to edit, delete, or create records. If I choose to edit a record from the report the form get populated correctly and edits or deletes work fine. My problem is when I choose to create a new record. I get a blank form which is what I want, but once I fill it out and click the create button, the automated row fetch fires again and gives me a no data found error. How do I get it to not fire when the create button is pressed?
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Aug 11, 2010
I'm looking for a way to say if a time range includes a specific hour.
If I was looking to work out if 01:00 to 04:00 includes 02:00, then this works:
CASE WHEN TO_DATE('02:00','HH24:MI') BETWEEN TO_DATE('01:00','HH24:MI') AND TO_DATE('04:00','HH24:MI') THEN 1 ELSE 0 END
But, if the time go over two days (with midnight in between), it doesn't work:
CASE WHEN TO_DATE('02:00','HH24:MI') BETWEEN TO_DATE('18:00','HH24:MI') AND TO_DATE('04:00','HH24:MI') THEN 1 ELSE 0 END
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May 8, 2013
I want to select a specific date/time range in a query. I want to select from 6 AM yesterday through 6 AM today. I know that CURRENT_DATE - 1 will give me yesterday, and I can search between that and the current_date. However, how do I incorporate the specific time in the query?
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Jan 27, 2012
I have made a travel booking system which comprises of 3 forms
1)Travel Booking form
2)Reservation Form
3)Cancellation Form
Under one booking number i can add multiple users in which they can have there multiple travels.
Users can cancel there individual travels under a prescribe booking number which on doing the Cancel flag turns to 'Y'.
What i want is, If a user is cancelling his/her travel under any booking number then while retriving the records in Travel Booking form, the travels which are cancelled should not be in enable mode.
For one user there can be 4 travels out of which 2 are cancelled, how can i track only those records whoes cancel flag is set to Y. some logic to find it out. Else can i use :system.cursor_record. If yes, How to use it for this system.
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Sep 10, 2012
I need to trace all sessions created from specific user and specific machine . Got some code from internet and customised .
CREATE OR REPLACE TRIGGER SYS.enable_trace_trigger
AFTER LOGON ON DATABASE
DECLARE
[Code]....
I have yet not created it on db .
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Jan 24, 2013
I have the following requirement and we are on R12.1.3 with Oracle 11gR2 database on a Linux R5 machine.
1) Sensitive data such as SSN and credit card needs to masked in the oracle seeded table like per_all_people_f etc.
2) This original data should not be visible either from the database (apps user) or via the application. They should both provide the decrypted data to the users.
3) There are a set of users that need point # 2 overridden. That is, they should be able to see the decrypted data using sql on the tables or via the application (front end).
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Apr 12, 2010
I need to schedule a procedure on SUN, MON,TUE, WED and THU at 6:30 AM. make sure the folloiwng code is o.k.
begin
dbms_scheduler.create_job
(job_name => 'Load-Data_Calc',
job_type => 'STORED_PROCEDURE',
[code]...
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Nov 9, 2012
I'd like to stop Recovery in specific time. For instance ; My db works Day-1 and Every day Recovery starts 20:00 and finish 05:00. If it is possible that when DB time reach to sync 03:00, I'd like to stop recovery.
DB version Oracle 10.2.0.5 .....
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Feb 4, 2011
I've got a query running a select count (*) over a table. The default plan takes in the order of 15 minutes to return, a hinted plan to use a different index takes 3 minutes to return.
Unfortunately I cant get at the index stats and a few other areas which I suspect may be key here.When running autotrace against the two queries I see fairly different values as one would expect.
Query
select count (*) from fulfilmentitem bfi where created >= sysdate-30 AND bfi.status = 'FA' AND bfi.fulfilmentmethod = 'D'
Slow run
PLAN_TABLE_OUTPUT
-----------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)|
----------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 15 | 33119 (1)|
| 1 | SORT AGGREGATE | | 1 | 15 | |
|* 2 | TABLE ACCESS BY INDEX ROWID| FULFILMENTITEM | 12525 | 183K| 33119 (1)|
|* 3 | INDEX RANGE SCAN | IDX_FULFIL_METHODSTATUS | 250K| | 1786 (1)|
----------------------------------------------------------------------------------------------
[code]....
IDX_FULFIL_METHODSTATUS is across FULFILMENTMETHOD & STATUS in that order.
IDX_BFI_CREATED is on CREATED and is approx 70% of the size of the other index
The row counts estimated in the explain plan are out, the count(*) comes in at 32.8k rows.As you will have seen, the fast run shows a pretty significant consistent get increase compared to the slow run and a decent though not dramatic physical read drop.
My uncertainty is around if these changes in consistent get/phys read values would typically be enough to suggest the real time improvements I'm observing or if other (albeit perhaps temporary) factors are involved. It is a prod OLTP environment so the data will be rapidly changing and that may be a factor.
I know it can never be an exact science without intimately knowing the hardware/current loads etc but I also know that there's enough experience on these boards to have a loose handle on if the time shifts between queries are likely (or not) to be reflective of the stat changes or if those differences alone shouldn't (or typically wouldn't account) for it.
I'm thinking about instructing the query to ignore its original plan but am hesitant to do so without being a little more confident that it's not just a timing thing or something other than the change of index approach which may be causing the improvement. the autotrace stat changes observed I couldn't put my hand on heart say "yup - that change is good, ignore the default index all the time for this job".
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Feb 12, 2007
i'm creating a website where i can search between 2 specific dates which user will enter in the format of DD-MM-YYYY. the 2 dates will be inserted into 2 fields which is $input1 and $input2.
extract($_POST);
//to set the date format
//***************************
$input1 = date('DD-MM-YYYY h:i:s');
$input2 = date('DD-MM-YYYY h:i:s');
[code]...
but i get the error message saying...Warning: odbc_exec() [function.odbc-exec]: SQL error: [Oracle][ODBC]Option value changed., SQL state 01S02 in SQLExecDirect in C:phpwwwaaas_bbb.php on line 86...Error in SQL statement
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Oct 13, 2011
i have a block of multiple records where the user can edit the shipment totals of products being sent to branches.
some branches can't receive certain products and usually we just default the shipment value to zero but the user can still edit that value.
What i want to do is iterate through that block and check the branch and product and set the update property to false for only that record. is that possible.
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Dec 31, 2010
I have a list box from which the user can select a client's name, I want them to be able to press a button next to the box which will then open another form and display all the client's details. How do I attach a button to a list box? and how can I call another form to open on a specific record?
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Oct 3, 2012
1 - i want to ask few things as i m new to apex, i am using apex 4.1, and created 3 select list and a button in selecting of parameter,
1 select list : select area
2 select list: select product
3- select list - size of the product
i want to generate Ids for the following. for that i created query for INSERTING RECORD FROM ONE TABLE TO ANOTHER , generation the ids when button pressed "Generate" after selecting parameters,
Now where i call that QUERY on button ? because when i create button its gives me option to submit, defined dynamic action, etc, where i call the function name id_generation when button pressed?
2- second thing i created tabular " select user_id, product_name, product_type from product".
By default check box list are create delete submit button are created, first when i insert record it saves that was fine, e.g i entered 50 records and afterward i want to update only one record, e.g there is a record product name = box, if i change it to box small and click submit then it saves all the page means all 50 records,
I want to submit only that record that i changed, for that i use the logic that only those records should be updated which are checked but the user. how will i do this ?
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Jan 22, 2013
Is there a way where I can check users/IPs who connect to the database in a specific time 2 days ago?
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May 29, 2013
Can we make Data Guard to take clone Primary Database at Specific Time?
e.g. Clone Primary Database at 10 AM and at 6 PM?
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