I have a XML data that needs to be stored in oracle table and it is read from a java application. what datatype will suit for XML storage varchar2 or CLOB. The length of XML will be less than 4000.
I have a table with around 650,000,000 rows and we need to delete about 60,000,000 rows at the end every month and same amount of rows accumulate throughout the month. The deletion usually takes overnight to delete. We are using 10r2 in IBM AIX. The procedure we are using to delete is:
declare ln_count number:=0; begin for i in (select rowid from table1 where some_id<2012090000) loop delete from table1
[code]...
When this procedure is started I mostly see that the session is busy in user i/o wait for db sequencial file read. Will using cursor instead will give better results.
I need to create a stored procedure in Oracle 9i which will automatically delete data one by one from a particular table and then by means of same procedure insert record one by one in same table.
I have a table which contains 8,21,177 amount of data totally.Now I am trying to delete around 4,84,000 of data from this table by using just one filter i.e. my query is something like below
DELETE /*+ parallel(resource,4) */ FROM resource where created_by = 'MIGN'
This is going to delete 4,84,000 rows of data . But my current issue is this is taking lots of time to delete the data . To be precise , its almost taking 25 hours to delete this data..The created_by column is indexed .
Execution Plan ---------------------------------------------------------- Plan hash value: 2389236532
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | --------------------------------------------------------------------------------
I have a form with multiple tabs, each tab showing one data block. Many of the blocks are standard in enter-query mode. I want to allow the users to navigate through the tabs while the blocks are in enter-query mode.how can i do this?
create or replace procedure bank_search_sp ( p_tablename in varchar2, p_searchname in varchar2, p_bankcode out varchar2, p_bankname out varchar2, p_dist_code out number ) as v_tem varchar2(5000); begin v_tem :='select bankcode,bankname,dist_code from ' || UPPER (p_tablename) || ' where bankname like '''|| p_searchname||''; execute immediate v_tem into p_bankcode,p_bankname,p_dist_code using p_searchname ; commit; end bank_search_sp;
the Procedure is getting created but i dont know what actually happens when it was executed ,This is the error shown..ORA-01756: quoted string not properly terminated
ORA-06512: at "PENSIONS.BANK_SEARCH_SP", line 14 ORA-06512: at line 1
We have data archive scripts, these scripts move data for a date range to a different table. so the script has two parts first copy data from original table to archive table; and second delete copied rows from the original table. The first part is executing very fast but the deletion is taking too long i.e. around 2-3 hours. The customer analysed the delete query and are saying the script is not using index and is going into full table scan. but the predicate itself is the primary key,More info below
Plan hash value: 2798378986 ------------------------------------------------------------------------------------- | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | -------------------------------------------------------------------------------------| 0 | DELETE STATEMENT | | 2520 | 233K| 87 (2)| 00:00:02 || 1 | DELETE | MON_TXNS | | | | ||* 2 | HASH JOIN RIGHT SEMI | | 2520 | 233K| 87 (2)| 00:00:02 || 3 | INDEX FAST FULL SCAN| OTW_ID_TXN | 2520 | 15120 | 3 (0)| 00:00:01 || 4 | TABLE ACCESS FULL | MON_TXNS | 14260 | 1239K| 83 (0)| 00:00:02 |
------------------------------------------------------------------------------------- PLAN_TABLE_OUTPUT -------------------------------------------------------------------------------------------------------------------------------------------- Predicate Information (identified by operation id): ---------------------------------------------------
I have some tables (below), but I'm having trouble entering multiple lines of data.Here are the tables I have created.
Quote: CUSTOMER table SQL> create table customer 2 (customer_no char(6) not null, 3 name varchar2(30) not null, 4 address varchar2(50) not null, 5 credit_limit number(6,2), 6 constraint customer_customer_no_pk primary key (customer_no));
Table created. SALESMAN table SQL> create table salesman 2 (salesman_id char(8), 3 name varchar2(20) not null, 4 address varchar2(50) not null, 5 emaill_address varchar2(30), 6 constraint salesman_salesman_id_pk primary key (salesman_id));
Table created. ITEM table SQL> create table item 2 (ISBN char(13) not null, 3 title varchar2(30) not null, 4 price number(4,2) not null, 5 constraint item_ISBN_pk primary key (ISBN));
Table created. INVOICE table SQL> create table invoice 2 (invoice_no char(1) not null, 3 invoice_date date not null, 4 salesman_id char(8),
[code]...
Table created. DELIVERY table SQL> create table delivery 2 (invoice_no char(1) not null, 3 ISBN char(13) not null,
[code]...
Table created. I can enter data into the customer, salesman and item table without any problems. However, I need to enter multiple lines of data using the same invoice_no (which is 1). The data is generally the same, except for 2 things need changing but I keep getting the following error...
I developed a custom Form using Form Builder 6i. This Form has selection criteria (data to be entered in a couple of fields) and a "Find" Button, which queries the data (based on the selection criteria) and populates all fields on the Form.
This Form has a couple of "Required" fields in its search criteria section. When data is not populated in any of the Required fields and "Find" button is clicked upon, Form raises an exception and pops up a message indicating the user 'to enter data in mandatory fields'. However, this message keeps popping up and would not stop.
So, I'm not able to proceed with querying data on my custom Form. I had to kill the session and reconnect to front end to overcome this issue.
I need a query to display the birth date of all emp in such a way that if i run a query today the dob which lies between today & today+15 days data must be displayed.
I would like to know if there is a way to define values in a field to a defined new data.
As an example: If field A value is equals to May, then set field "Quarter" data value to "2nd Quarter". If field A value is equals to January, then set field "Quarter" data value to 1st Quarter".
- A Master/Detail form which is called from previously saved table. - In the detail form, user is allowed to insert list of data from other block into the current detail form. For that I have one when_button_pressed with the following script define :-
Begin
go_block('ACT_VW_QT_ACTV'); <----- query block FIRST_RECORD; IF :BLOCK44.ITEM45 IS NOT NULL THEN :BLOCK44.ITEM45:=:BLOCK44.ITEM45|| ' OR '; END IF; [code].......
When this is none, nothing being happened on the current block ( 'ACT_QT_TXN1'), I think it is because of the master/detail link where it always looks back the original link data. I think this is very common problem but I just can't figure out how to go about it.
We want to find out difference of data for some tables between current day & previous day. We can use query with minus operation but it will take lot of time since table size is in range from 200 to 500 GB. We have to do this exercise every day.
I am trying to name a column from data stored in a row (Phone number) I want to name it from the first 3 digits (Area code) and I have no clue how to do it I have googled but I think the query is a little too complicated for me to explain it and get a result from google or find it in a section of a book.
My phone numbers are strings, so I initially look for the first 3 characters and then start separating and counting, I can do that, the only problem I have is naming the column WITH the the first three digits that I just separated.
I am trying to name a column from data stored in a row (Phone number) I want to name it from the first 3 digits (Area code) and I have no clue how to do it I have Googled but I think the query is a little too complicated for me to explain it and get a result from Google or find it in a section of a book.
My phone numbers are strings, so I initially look for the first 3 characters and then start separating and counting, I can do that, the only problem I have is naming the column WITH the the first three digits that I just separated.
I am trying to learn by myself how to use databases and am using the HR database that comes in oracle since I read in a forum that it is a great way to learn how to use queries.
I read about using Pivot to do it, but in pivot I need to know how many area codes there are. I will post a screen shot of the table that I am working on the other post
[URL].....
I can group by phone number with this:
SELECT SUBSTR(PHONE_NUMBER, 1, 3) AREA, COUNT(SUBSTR(PHONE_NUMBER, 1, 3)) TOTAL_COUNT FROM EMPLOYEES GROUP BY SUBSTR(PHONE_NUMBER, 1, 3);
But what I am interested in doing is that instead of Area appearing as a column, that the actual first 3 digits would appear as the column name.
This is kind of what I am trying to do, but instead of AREA appearing as column name I would like for each one of the area codes to appear as column name, here is the
SELECT DE.DEPARTMENT_NAME, EM.SEX, SUBSTR(EM.PHONE_NUMBER, 1, 3) AREA, COUNT(SUBSTR(EM.PHONE_NUMBER, 1, 3)) TOTAL_COUNT FROM EMPLOYEES EM, DEPARTMENTS DE WHERE DE.DEPARTMENT_ID = EM.DEPARTMENT_ID GROUP BY DEPARTMENT_NAME, EM.SEX, SUBSTR(PHONE_NUMBER, 1, 3) ORDER BY DEPARTMENT_NAME;
I am trying to store Chinese characters in certain fields in my database:
NLS_CHARACTERSET is UTF8 Version 11.2 Client NLS_LANG = UTF8 Client Region Settings = Simplified Chinese (PRC)
To Test - I have a string value I am trying to write to a field in Oracle. Looking at the source string with a hex editor, the multibyte value is E6 9C AC.
Looking the character up in UTF8 tables (U + 672C ) I can the symbol matches what I see when I look at the string with my editor.
I write the string to a field in Oracle. I can select from the field in SQLPlus and see the correct symbol.
However, when I dump the field I get the hex values B1,BE not E6 9C AC as I would expect.
explain why? And how is B1, BE getting translated back to the 'correct' symbol?
I work on a client-server application, where users need to be able to run rather complex queries.
We currently have most of the queries defined in views on the Oracle database server and the client application simply downloads the data (i.e. SELECT * from example_view). This is good for us as we can maintain these queries without releasing new versions of the client tool.
However we have some queries implemented by a colleague that have caused a lot of trouble (efficiency and quality) and these are stored client-side.
The issue I have is that these client side queries can return records in different units (i.e. in standard cubic metres, or barrels of oil etc), as the SQL is defined at runtime on the client, and I want to know the best way to replicate this with SQL stored server-side.
The client-side SQL has column definitions such as: SELECT oil_production * decode(&unit,'Nm3',.948,'Sm3',1,'MMBOE',6.0924,1) ... The &unit parameter is then replaced by the appropriate text (i.e. 'Sm3') before the query is sent to Oracle.
Is there anyway to pass variables to server-side SQL and get a recordset back? I don't think PL/SQL procedures can do this? and views can't contain bind variables.
I am experimenting with the 4.2 version of Apex at URL.....
I have created a tabular form (based on a view with an instead of trigger) and have restricted this form to "Update only" mode. Whenever I modify a field value and submit the change I get the error "Current version of data in database has changed since user initiated update process".
From 28/AUG/2013 to 30/AUG/2013 records has to be deleted becuase thease records are two weeks old.
From 31/AUG/2013 to 06/SEP/2013 records belongs to one week and from 07/SEP/2013 to 13/SEP/2013 belongs to another week.Today is 12/SEP/2013 so from 06/SEP/2013 to 12/SEP/2013 should be existed in the table.Once date changed to 13/SEP/2013 then from 31/AUG/2013 to 06/SEP/2013 records has to be deleted.
I am posting table and insert scripts.
CREATE TABLE process_data(p_id NUMBER,CREATED_DT DATE); INSERT INTO process_data VALUES(TO_DATE('28/AUG/2013','DD/MON/YYYY'); INSERT INTO process_data VALUES(TO_DATE('29/AUG/2013','DD/MON/YYYY'); INSERT INTO process_data VALUES(TO_DATE('30/AUG/2013','DD/MON/YYYY'); INSERT INTO process_data VALUES(TO_DATE('31/AUG/2013','DD/MON/YYYY'); INSERT INTO process_data VALUES(TO_DATE('01/SEP/2013','DD/MON/YYYY');
I want to delete data from say 100 tables without disable the constraints.
Tables having foreign key.. which is giving error if I select table randomly to delete.
I want to know the query which will give me the sequence of all tables based upon dependencies, so that If i delete the data on that sequence, it wont give me child record exists error.
