SQL & PL/SQL :: Update Complete Flag Most Recent 2 Rows By Category
Jul 29, 2013
I would like to update the complete flag of all the rows of a table except the most recent two rows of each category.
The table has fields like:
category - string,
item - string,
creation_date - string ('YYYYMMDDHHMI'),
complete_flag - boolean,
etc.
Each category does not have the same amount of records with the same creation_date so I do not want to filter by creation_date. Is there a way to accomplish this?
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Oct 7, 2011
EMP_ID IN_DATE QTY2
1070410/6/11 6:00 AM
1070410/6/11 3:00 PM
1070410/6/11 9:00 PM
1070410/7/11 6:00 AM
1070410/7/11 3:00 PM
1070410/7/11 9:00 PM
1070510/7/11 6:00 AM
1070510/7/11 3:00 PM
1070510/7/11 9:00 PM
following is the table where every employee have 3 records we need to put the flag datewise and employee id wise minimum in_date always be set to 1 and remaining 2 maximum dates for each employee date wise always set to 2 in qty2 field.
Output requirement is as follows:
EMP_ID IN_DATE QTY2
1070410/6/11 6:00 AM 1
1070410/6/11 3:00 PM 2
1070410/6/11 9:00 PM 2
1070410/7/11 6:00 AM 1
1070410/7/11 3:00 PM 2
1070410/7/11 9:00 PM 2
1070510/7/11 6:00 AM 1
1070510/7/11 3:00 PM 2
1070510/7/11 9:00 PM 2
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Aug 17, 2010
This is my query:
UPDATE t_tt_hours a
SET a.sak_request = (
SELECT b.sak_request
FROM t_requests b, co c
[Code]...
The problem I am having is that it is updating all rows even when it is pulling back a null value for b.sak_request. I've tried adding b.sak_request is not null to the select statement like this:
UPDATE t_tt_hours a
SET a.sak_request = (
SELECT b.sak_request
FROM t_requests b, co c
WHERE b.nam_eds_tracking_id = c.id_dir_track_eds
[Code]...
but it doesn't seem to make a difference. The reason I need to do this is that the difference between where it matches with a valid (non-null) value is 396 rows vs. 12,484 rows which is too time consuming to run on my page.
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Mar 21, 2011
I have one doubt about update command in sql. How to update the multiple rows with different values using update statment.
Eg:-
SQL> set linesize 500;
SQL> set pagesize 500;
SQL> select * from emp;
SQL> select empno,ename,sal from emp;
SQL> select empno,ename,sal from emp;
EMPNO ENAME SAL
---------- ---------- ----------
7839 KING 5000
7698 BLAKE 2850
7782 CLARK 2450
7566 JONES 2975
7654 MARTIN 1250
[Code]....
The above table contains 14 records. Now i would like to update the salary column with different values like
EMPNO SAL
===========
7839 18000
7698 20000
7782 5000
...
...
...
7934 25000
How to update above values with single update query.
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May 31, 2013
Is there a way to prevent Apex from combining labels into an "other" category in the charts?
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Sep 7, 2007
Have a table like this:
ID1ID2DATEID2Value
1121/1/20066
1241/1/2006400
1246/1/2006410
1366/1/2006100
2121/1/20077
2246/1/2007350
2247/1/2007360
I need to return 1 row for each ID1 value - and only the ID2 value of 24 and only the most recently dated record for the multiple ID2 values - query would return:
1246/1/2006410
2247/1/2007360
I have worked and worked on this and I am still stumped (part of the problem may be I am also trying to make this work in Crystal Reports but that is for another day). I need to make this work in Oracle first.
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Jun 23, 2008
What i have is table with:
mission_id, mission_type_id, security_level and code_name.
What i have to do is get the 10 most recent missions and change their security level to the highest one in their mission_type_id but ONLY if code_name length is >7
So far I have this, the problem is that the oracle moans about the order and wants me to close the bracket before the order
sql
UPDATE missions m
SET m.security_level = (
SELECT max(m2.security_level)
FROM missions m2
WHERE m2.mission_type_id = m.mission_type_id
AND length(m2.code_name) > 7
)
WHERE m.mission_ID IN (
Select m3.mission_id
From missions m3
ORDER BY m3.mission_id desc)
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Aug 28, 2011
I want to update salary column of emp table in a way that every value of salary column be increased by 1000, is this possible I can do this one statement only??
(Just FYI-
SQL> desc emp;
Name Null? Type
----------------------------------------- -------- ----------------------------
EMPNO NOT NULL NUMBER(4)
ENAME VARCHAR2(10)
JOB VARCHAR2(9)
MGR NUMBER(4)
HIREDATE DATE
SAL NUMBER(7,2)
COMM NUMBER(7,2)
DEPTNO NUMBER(2)
)
[Code].....
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May 26, 2011
I have one table,in that table have number of rows. I want to select recent row updated details.
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Oct 25, 2011
getting sql query to get the result below.If the Key repeats then I need to set it to O if for each key New_link doesnot match.
My Present table
Key New_Link
1 4
3 2
3 5
5 1
5 1
RESULT
Key New_Link
1 4
3 0
5 1
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Jun 12, 2013
I have 2 tables with 3 common columns (Col1, col2,Primary). One common column name is primary (oracle key word).Around 2 lakhs rows to be updated and No indexes are used on these tables. I need to write an update query as shown below.
Emp table
Col1col2primay
100101y
103104n
201105y
100101y
Dept table
Col1col2primay
100101null
103104null
000656null
Update query Result
Col1col2primary
100101y
103104n
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Sep 30, 2013
, im having this trouble to update some records, the problem is i have I have this table with some transactions and each row have a cd_cli (client code), dt_ven (date of the transaction) and a product id (cd_prod) the trouble is, i insert a row for each product in this table, then i have like this
110001YURI AGUIRREWALLMA400V44-B469,0019/9/2013210001YURI AGUIRRESU-7N-B78,0019/9/2013310001YURI AGUIRREWALLSF35V22-S78,5719/9/2013410003WILLIANWALLSA470V22-BS449,002/9/2013 but i need to update the CD_TRANS for each row with the same number like all the YURI AGUIRRE recode must have like CD_TRANS 1, and the WILLIANs CD_TRANS must be 2 and the next must be cd_trans 3, but I've tried to update the table for a lot of ways but i don't have success trying to do this, the last thing i had tried was
MERGE INTO TVEN_TEMP a
USING (SELECT CD_CLI, DENSE_RANK () OVER (ORDER BY DT_VEN) new_seq_num
FROM TVEN_TEMP
WHERE CD_TRANS IS NULL) b
ON (a.CD_CLI = b.CD_CLI)
[code]....
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Jul 5, 2012
Below given is the sample data
SELECT *
FROM
(
SELECT 1 ORDR_ID, TO_DATE('01-JAN-2012', 'DD-MON-YYYY') INWD_DATE, 5 SIZE_, 'APD' Colr_CD FROM DUAL UNION ALL
SELECT 1 ORDR_ID, TO_DATE('15-JAN-2012', 'DD-MON-YYYY') INWD_DATE, NULL SIZE_, 'KPD' Colr_CD FROM DUAL UNION ALL
SELECT 1 ORDR_ID, TO_DATE('16-JAN-2012', 'DD-MON-YYYY') INWD_DATE, NULL SIZE_, 'ALD' Colr_CD FROM DUAL UNION ALL
SELECT 2 ORDR_ID, TO_DATE('02-JAN-2012', 'DD-MON-YYYY') INWD_DATE, 9 SIZE_, 'APD' Colr_CD FROM DUAL UNION ALL
SELECT 2 ORDR_ID, TO_DATE('05-JAN-2012', 'DD-MON-YYYY') INWD_DATE, 10 SIZE_, '' Colr_CD FROM DUAL UNION ALL
[code]....
Where every first row is the initial entry for an order and following rows are the changes done to the order with modification date
And the expected output is
ORDR_ID Start_date End_date SIZE_ COLR_CD
1 01-01-12 01/15/2012 5 APD
1 01/15/2012 01/16/2012 5 KPD
1 01/16/2012 00-01-00 5 ALD
2 01-02-12 01-05-12 9 APD
2 01-05-12 01-06-12 10 APD
[code]....
I cam use a select statement within select, but wanted to write an efficient SQL...
I'm using
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0
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May 9, 2013
I encountered error ORA-00338 while performing incomplete database recovery:
ORA-00283: recovery session canceled due to errors
ORA-00338: log 3 of thread 1 is more recent than control file
ORA-00312: online log 3 thread 1: '+DG_REDO/dbase/onlinelog/group_3.267.814820795'
Recovery Manager complete.
I performed this recovery on oracle 10g, ASM database.
1. What are possible causes behind this error ORA-00338 ?
2. This error occurs at the start of media recovery, while RMAN is applying archived logs. So does RMAN apply "online REDO" logs after applying "archived" logs required for recovery or before them ?
3. How does rman come to know that online log 3 is more recent than control file ? How can I get scn of online log & control file in my environment ?
Following are few details related to checkpoint scn/change# info. I found in my environment..Before recovery:
view
v$datafile: 642935
v$datafile_header: 642935
v$database: 642935
v$log: 640956
After unsuccessful recovery (ORA 338 :( )
v$datafile: 640917
v$datafile_header: 640056
v$database: 640906
v$log: 640906
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Sep 16, 2010
May I have a PL/SQL program that can update 1000 rows.
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Mar 14, 2013
In a table i have some duplicate rows
I can get it through this query : select PARTY_ID from XXWFS_CUSTOMER_EXT group by PARTY_ID having count (PARTY_ID) > 1;
Now for the records which i got for each duplicate row i want to update the second row with a specific value.. so that duplicate rows does not exist anymore
Ex: I got party id's 12, 14, 16, 18 two times each
Now as 12 is two times.. i want to update the second row of 12 with some x value same is the case for other values like 14,16, etc
how can i write a procedure for this
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Nov 18, 2011
I have a sub query (already dervived from several other tables) that has a list of children in with the date they started their course (tableofchildren). Child IDs may be duplicated in this query but each record will have unique start dates per child ID.
I have a second sub query which lists workers involved with the children in the first query (tableofworkers). A worker may be responsible for more than one child but has the unique child in the record to identify involvement with the child.
I need to join these queries together to return the child's record with the WorkerName and the AllocatedStartDate of the worker who was most recently involved with the child prior to the date (EnteredCourseDate) the child started their course (OutputWanted) - the worker associated with the child when they started their course.
A couple of points - I need to deploy this into another reporting application that doesn't support cursors etc or the 'With' operator. Also, I tend to join tables/queries in the Where clause so if it's possible that way that would be great.
OC.
create table tableofchildren
(ChildID varchar(20),
ChildName varchar (50),
[Code].....
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Dec 22, 2010
I have to run a resource extensive SQL. It utilizes CPU to a great extent. I've created a new user just to run this particular report. I need to ensure that this particular user doesn't uses more CPU.
Hence, I need to generate an alarm (email) only if a threshold is exceeded for a certain period of time (above x% for y minutes),(example more than 80% for 10 min.), so that I can either kill the process or continue running it depending on CPU usage.
Can I do it using scripts or OEM. I couldn't find any specific metrics to do it in latter. (I'd prefer scripts though. )
My system details are as follows:
1. Database: Oracle 10g R2
2. Unix: Sun OS 5.10
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Sep 17, 2013
I am not a DBA, we are using Oracle 10g DB for our PLM applictaion Enovia, we are now trying to do 4GT in our windows 2003 server where our DB kept, while reading articles about this. we are informed that /LARGEADDRESSAWARE (IMAGE_FILE_LARGE_ADDRESS_AWARE) flag needed to be set to True in the application (here it is Oracle) to use more than 2GB in the RAM.
So My question is "Whether the corresponding flag is set to TRUE or not in Oracle 10g"? Is there any way to check that?"
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Mar 3, 2010
This is a surprisingly common one I've found on the web...even on devshed forum
I am updating one table from another (Updating Table A from Table B):
Table A
ID, Value
-- -----
1 A
1 A
2 B
Table B
ID, Value
-- -----
1 Animal
2 Box
Table A (modified)
ID, Value, Name
1 A Animal
1 A Animal
2 B Box
No I need to update a new column in Table A with the value in Table B.Value where the ID's from both tables match. Problem is: When I do this I get multiple rows and hence Oracle won't let me update this column. Now, I keep reading that for these types of updates, there has to be a one-to-one relationship...
Is this true...is there anyway of telling Oracle to update wherever it finds that ID, regardless of how many duplicate ID's there are?
This is quite a frustrating problem and most of the sites that I've looked for solutions try get the query one-to-one...problem is...with my table sets it's impossible to do that - I need to update wherever the id's match (even if it return multiple rows).
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May 24, 2010
I have this requirement in Oracle FORMS ver 6i where I populate some records in a table in a datablock and display them on the screen. A facility needs to be provided to the end users to select the records randomly by just entering the count of the records in a non-d/b text field. The number entered in the count field will decide how many records are to be selected randomly.
I tried using the query -
UPDATE <table a>
SET <col 1> = <value 1>
WHERE rowid IN (SELECT rowid FROM (SELECT * FROM <table a> ORDER BY DBMS_RANDOM.VALUE)
WHERE <col 2> = <value 2>)
/
which I found on the link [URL] but while compiling, the Form gives a compilation error for the ORDER by clause - i'm sure there's no syntax error in the way I have written it...
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Dec 7, 2010
Assume that we have table Test with a column TestId and Status. This table is having 10,000 records. Now, we need to write a stored procedure that does the following:
1) Select top 10 rows whose "Status = NEW'
2) Update the selected top 10 rows with "Status = PROCESSING"
3) Return those top 10 rows.
Assuming there are hundreds of such requests coming to Oracle database, how can we make sure each request NEVER gets a duplicate record at any given point of time and how to fetch the records that have been updated individual request?
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Dec 13, 2011
how to update the middle of plenty rows in the middle of the columns
sample_data
id name state REGION LOC
1 v A.p 1 1
2 a
3 g K.A 0 3
4 y
5 i T.N 1 0
6 l M.P 0 1
7 c U.P
This is sample data,and i have this kind of large data and i need to fill the rows which are empty. In three columns state,region,loc with data like 0,web_intimation,1,
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Mar 25, 2013
I have products table like this:
productID,producteName,category
now, I need to get last 4 products inserted into products table for every category.
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Jun 7, 2012
I have records like the following
Program_Name Effective_Date Valid_Flag
ABCD 2/10/2012 N
ABCD 2/14/2012 N
ABCD 2/20/2012 Y
ABCD 3/01/2012 N
ABCD 3/10/2012 N
[Code]...
I have to write a select statement to to keep the first record and then pull only the records when the Valid_Flag changed. The result set should be like below.
Program_Name Effective_Date Valid_Flag
ABCD 2/10/2012 N -- I have preserved the first record
ABCD 2/20/2012 Y -- Valid_Flag chages to a Y for teh first time and so on.
ABCD 3/01/2012 N
ABCD 3/14/2012 Y
ABCD 3/25/2012 N
ABCD 4/25/2012 Y
If there is no change in the flag, I do not have to pull that record.
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Oct 18, 2012
I have a scenario, where I need to find the bucket values with the flag as "Y". The problem is i have 5 buckets
Bkt1 Bkt2 Bkt3 Bkt4 Bkt5 Flag
------------------------------------------
1000 500 230 100 677 Y
789 100 122 666 888 N
783 110 142 166 788 N
781 110 112 616 988 Y
709 130 121 661 878 N
Here I need to write a SQL query in Oracle 10g fetching the respective bucket value(for all the 5 buckets) along with the flag as "Y" and more importantly should have the bucket name as well.This is needed as in the UI we need to display the respective bkt value which is "Y" as bold.
So in the final List I need to have the VO which should contain the respective bucket name, respective value and flag as "Y"
Some thing like this I need to get in my final ArrayList in java
Bkt1 1000 Y
Bkt1 781 Y
Bkt2 500 Y
Bkt2 110 Y
Bkt3 230 Y
Bkt3 112 Y
Bkt4 100 Y
Bkt4 616 Y
Bkt5 677 Y
Bkt5 988 Y
how we can do it using the SQL query.
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Jul 24, 2009
Updating multiple ROWS with different values using single statement. Requirement is to update one column in a table with the values in the other table.
Say we have 3 tables, CORPORATION,CORPORATE PROFILE and MEMBER.
Each MEMBER has CORPORATE PROFILE which in turn is associated with CORPORATION. Now I need to update MEMBER table with CORPORATION identifier for members who belong to corporations with identifiers say 'ABC' and 'DEF'.
MEMBER table contains column 'CORPIDENTIFIER '. CORPORATEPROFILE table contains MEMBERID and CORPORATIONID,this will associate a member with the corporation. CORPORATION table contains ID and CORPIDENTIFIER.
Using the below query I am getting error,ORA-01427:single-row subquery returns more than one row
UPDATE MEMBER M SET M.CORPIDENTIFIER=
(SELECT A.IDENTIFIER FROM CORPORATION A,CORPORATEPROFILE B
WHERE B.CORPORATIONID=A.ID AND B.MEMBERID=M.ID AND (A.IDENTIFIER LIKE 'ABC' OR A.IDENTIFIER LIKE 'DEF'))
Sub query in the above query returns multiple rows and hence it is throwing the error.More than one members are associated with Corporations ABC and DEF. Is there any way possible to update all the rows in single query with out iterating the result set of sub query.
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Aug 20, 2013
create table temp_tst
(
FILENAME VARCHAR2(200),
EDITED_BY VARCHAR2(50),
EDITED_TO VARCHAR2(50)
)
[code]....
Can I write a single update statement to update filename column replacing "_tst" with "_check"?
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Apr 25, 2012
trying to update a column in a table which has 3 columns of 16million rows from column in another table which has 1million rows, there is no relationship between the 2 tables.
Table A has 3 columns of 16million rows, the first two columns have 16million ID numbers, the 3rd colunm is currently NULL.
Table B has 1million Numbers, i need to somehow update column 3 in table A using the numbers in table B, it doesnt how many times each of the 1 million numbers are used but i dont want it to just update every row to the same value.
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Jan 29, 2011
I am working on an archiving strategy. I want to roll off transactions that are older than seven days, but only if they are flagged as Completed. The numbers of transactions are very large so this is a worthwhile venture.
The only strategy I have been able to come up with so far is to partiton on date. Then when 7 days comes up, sweep the about-to-be archived day for the few remaining not Completed transactions, put those into a new table (a new version of this partiton) and switch partitions. Each day I do this until the older parititions are empty.
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