SQL Server 2008 :: Processes That Update A Certain Column
Oct 26, 2015
I have a table and a specific column inside this table. I know this table is being updated, by using sys.dm_db_index_usage_stats, I was able to determine this, by some process (stored procedure / SQL Job / etc), but the problem is, I am not sure what process is doing it.
How would I search our SQL Server 2008 database to find any process that manipulates this table / column (I only care about Inserts / Updates and Deletes, but do not really care for SELECT).
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Mar 19, 2015
I have a query, I am trying to update a certain column in my query you can see that is hard coded. The column that I am trying to update is "O_Test" I used a select statement trying to figure out how many records that accounts for with the entire database of all the tables. I got 643 records. So I am wondering if there is a way I can update all the columns without looking up each table and updating each one. This Update statement wont work because I am accounting for all records in the DB of all tables associated of what I hard coded
SELECT t.name AS table_name,
SCHEMA_NAME(schema_id) AS schema_name,
c.name AS column_name
FROM sys.tables AS t
INNER JOIN sys.columns c ON t.OBJECT_ID = c.OBJECT_ID
WHERE c.name LIKE '%O_Test%'
ORDER BY schema_name, table_name;
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Mar 25, 2015
The last two columns in one table is [StarText](varchar(20)) and [Star] (binary). It stored data like below:
StarTest---Star
***
**
Null
*****
How to write a update code to insert star image at column [Star]?
For example, at column [Star]
row1 insert 3 stars
row2 insert 2 stars
row3 keep null
row4 insert 5 stars
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May 26, 2015
I ran a db update script to update the datatype for a column from a tinyint to a smallint:
ALTER TABLE MyTable
ALTER COLUMN Age smallint
Then I ran another db update script to update the value in these 2 columns:
update MyTable
set Age = Age * 12,
However, the second db update script returns the following error:
Msg 220, Level 16, State 2, Line 1
Arithmetic overflow error for data type tinyint, value = 1440.
The statement has been terminated.
SSMS shows the column with the new data type of smallint. I even restarted SSMS but I still get the error above. 1440 is out of range for a tiny int but should be in range for a smallint. Both scripts need to be executed together in sequence by the release manager.
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Mar 24, 2015
I have a table with 201 columns . I am importing 200 columns from a file using DFT. I want update the 201th column with the fileId of the file that just imported. I am storing the fileId of the file in varFileID .
How do I go back and update the 201th column ( column name sfileId) with the varFileID value?
I can use Execute SQL Task but how will I know it's the records of the files that I just imported not other rows.
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Mar 30, 2015
Our monitoring tool shows that our production system periodically experiencing large rate - up to 800 memory pages/sec. How to find out which particular queries, S.P., processes that initiate this?
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Feb 25, 2015
I need to update multiple columns in a table with multiple condition.
For example, this is my Query
update Table1
set weight= d.weight,
stateweight=d.stateweight,
overallweight=d.overallweight
from
(select * from table2)d
where table1.state=d.state and
table1.month=d.month and
table1.year=d.year
If table matches all the three column (State,month,year), it should update only weight column and if it matches(state ,year) it should update only the stateweight column and if it matches(year) it should update only the overallweight column
I can't write an update query for each condition separately because its a huge select
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Apr 16, 2015
If I have a table with 1 or more Nullable fields and I want to make sure that when an INSERT or UPDATE occurs and one or more of these fields are left to NULL either explicitly or implicitly is there I can set these to non-null values without interfering with the INSERT or UPDATE in as far as the other fields in the table?
EXAMPLE:
CREATE TABLE dbo.MYTABLE(
ID NUMERIC(18,0) IDENTITY(1,1) NOT NULL,
FirstName VARCHAR(50) NULL,
LastName VARCHAR(50) NULL,
[Code] ....
If an INSERT looks like any of the following what can I do to change the NULL being assigned to DateAdded to a real date, preferable the value of GetDate() at the time of the insert? I've heard of INSTEAD of Triggers but I'm not trying tto over rise the entire INSERT or update just the on (maybe 2) fields that are being left as null or explicitly set to null. The same would apply for any UPDATE where DateModified is not specified or explicitly set to NULL. I would want to change it so that DateModified is not null on any UPDATE.
INSERT INTO dbo.MYTABLE( FirstName, LastName, DateAdded)
VALUES('John','Smith',NULL)
INSERT INTO dbo.MYTABLE( FirstName, LastName)
VALUES('John','Smith')
INSERT INTO dbo.MYTABLE( FirstName, LastName, DateAdded)
SELECT FirstName, LastName, NULL
FROM MYOTHERTABLE
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Nov 15, 2007
I have a SSIS package that processes a CSV style file. For illustration purposes lets say the file is as follows:
R1C1, R1C2, R1C3
R2C1, R2C2, R2C2
R3C1, R3C2, R3C2
So I setup a flat file csv connection with comma as column delim, CR/LF as row delim, etc. Everything works as planned and the package executes.
Now lets say the file comes in wrong and has two columns instead of three. It looks like this.
R1C1, R1C2
R2C1, R2C2
R3C1, R3C2
The SSIS file manager reads the file as two rows vs failing. So it reads the above as this...
R1C1, R1C2, {LF/CR}R2C1
R2C2, {LF/CR}R3C1, R3C2
This is obviously not right. You get similar issues if they send an extra column where data is just added to the last column. How do you get SSIS to fail or error out if the column count is wrong?
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Feb 26, 2015
Is there a way to display a column alias as part of the result set column labels?
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Mar 11, 2015
when creating a new table. How can I set the default value of the column to equal the value of another column in the same table?
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Mar 26, 2010
I am getting an error importing a csv file both using SSIS and SSMS. The csv is comma delimited with quotes for text qualifiers. The file gets partially loaded and then gives me an error stating The column delimiter for column "MyColumn" was not found. In SSIS it gives me the data row which is apparently causing the problem but when I look at the file in a text editor at the specific row identified the file has the comma delimiter and it looks fine. I am using SQL Server 2008.
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Sep 9, 2015
I just have a question regarding storing values to a column in ms sql 2008.
Why is it that the value I inserted at the column is truncated when selected in a query.
The column for this is created to accept max. values.
-> Message VARCHAR(MAX) NULL
The string which I need to insert is a combination of characters with a length of 14,720.
According to some forums, the max value that a column can hold is 8000 chars. only (Is this true? even though I set it to MAX?)
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Mar 11, 2015
I have run into a perplexing issue with how to UPDATE some rows in my table correctly.I have a Appointment table which has Appointment Times and a Appointment Names. However the Name is only showing on the Appt start Time line. I need it to show for its duration. So for example in my DDL Morning Appt only shows on at 8:00 I need it to show one each line until the next Appt Starts and so on. In this case Morning Appt should show at 8:00,8:15, 8:30.
CREATE TABLE #TEST ( ApptTime TIME, ApptName VARCHAR (20), DURATION TINYINT)
INSERT INTO #TEST VALUES ('8:00', 'Morning Appt', 45), ('8:15', NULL, NULL),('8:30', NULL,NULL),('8:45', 'Brunch Appt', 45),('9:00', NULL,NULL),('9:15', NULL,NULL),
('9:30', 'Afternoon Appt', 30),('9:45', NULL,NULL),('10:00', NULL,NULL).
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Apr 16, 2015
I'm getting the following error message 'An aggregate may not appear in the set list of an UPDATE statement' What is the proper way to carry out an update on aggregates?
My code is below:
t1.TotalTest1 = coalesce(Sum(t2.AmountTest1), 0.00),
t1.TotalTest2 = coalesce(Sum(t2.AmountTest2), 0.00),
t1.TotalTest3 = coalesce(Sum(t2.AmountTest3), 0.00),
t1.TotalTest4 = coalesce(Sum(t2.AmountTest4), 0.00),
from #tbl_CHA t1
inner join
[Code] ....
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Sep 11, 2015
I need to update the Denominator column in one row with the value from the Numerator column in a different row. For example the last row in the table is
c010A92NULL
I need to update the Denominator, which is currently NULL, with the value from the Numerator where the MeasureID=c001 and GroupID=A.
This value is 668 so, the row should look like
c010A92668
create table dbo.TEST
(
MeasureID varchar(10),
GroupID char(1),
Numerator float,
Denominator float
)
[Code] .....
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Oct 8, 2014
The Delete-Insert update happens for key columns of Indexes and that makes sense.
But I am confused that why Delete-Insert update happens for Included columns of nonclustered indexes, where I expected them to be InPlace updates ???
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Feb 5, 2015
Currently our database size is around 350G. It will grow up to 1.5 TB
We have the
Auto create statistics option :True,
auto update statistics option :True,
auto update statistics asynchronously option : False
at database level
we have a weekly job, update statistics running very long time. It is created through maintenance plan using the option full scan.
Previously they tested with sampling but instead of full scan running with the sampling effected the queries.
Is there option to avoid the long time job duration.
If we didn't run the statistics manually what will happen? How do you maintain statistics with large databases
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Aug 4, 2015
I have a table where I would like to update the document number row for 3k rows. The problem I have is that the documents come in sets of two (version 1 and 2) but both have different numbers. Picture it like this below:
DOCNUM: 4445787 Version 1
DOCNUM: 4445790 Version 2
It should be the same docnum (ie 4445787 Version 1, 4445787 Version 2).
The challenge is how can we assign the new docnum for version 1 to be also for version 2 as well. Basically in SQL we need a way to
1. Find a way to distinguish the pair of documents in the target db that are the same even though they have different docnums.
2. Update them so that the docnums match.
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Sep 24, 2015
I have a new production server with about 100 jobs on it. These are ETL jobs about half of which are in SSIS packages and half call stored procedures directly. For those calling stored procedures directly, might there be a way to use the system catalog to link the schedule of the job to the table being updated by the procedure? The result is a list of tables (those updated by jobs) and the schedule of when they are updated.
SQL 2012 Standard VPS Windows 2012 Server Standard
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Mar 15, 2013
I am experimenting with using CDC to track user changes in our application database. So far I've done the following:
-- ENABLE CDC ON DV_WRP_TEST
USE dv_wrp_test
GO
EXEC sys.sp_cdc_enable_db
GO
-- ENABLE CDC TRACKING ON THE AVA TABLE IN DV_WRP_TEST
USE dv_wrp_test
[Code] ....
The results shown above are what I expect to see. My problem occurs when I use our application to update the same column in the same table. The vb.net application passes a Table Valued Parameter to a stored procedure which updates the table. Below is the creation script for the stored proc:
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
if exists (select * from sysobjects where id = object_id('dbo.spdv_AVAUpdate') and sysstat & 0xf = 4)
drop procedure dbo.spdv_AVAUpdate
[Code] ....
When I look at the results of CDC, instead of operations 3 and 4, I see 1 (DELETE) and 2 (INSERT) for the change that was initiated from the stored procedure:
-- GET CDC RESULTS FOR CHANGES TO AVA TABLE
USE dv_wrp_test
GO
SELECT *
FROM cdc.dbo_AVA_CT
GO
--RESULTS SHOW OPERATION 1 (DELETE) AND 2 (INSERT) INSTEAD OF 3 AND 4
--__$start_lsn__$end_lsn__$seqval__$operation__$update_maskAvaKeyAvaDescAvaArrKeyAvaSAPAppellationID
--0x0031E84F000000740008NULL0x0031E84F00000074000230x02119Test26NULL
--0x0031E84F000000740008NULL0x0031E84F00000074000240x02119Test36NULL
--0x0031E84F00000098000ANULL0x0031E84F00000098000310x0F119Test36NULL
--0x0031E84F00000098000ANULL0x0031E84F00000098000420x0F119Test46NULL
Why this might be happening, and if so, what can be done to correct it? Also, is there any way to get the user id associated with the CDC?
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Sep 26, 2013
this directory is over 2gb
Program FilesMicrosoft SQL Server100Setup BootstrapUpdate Cache
can you delete the contents safely?
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Feb 10, 2015
I have a stored procedure that updates a table. I also have an UDF that allows dirty reads (nolock).
What's the precedence level in SQL server? If I add xlock,rowlock to the update statement, will the dirty read wait for the update transaction to commit, or will it perform a dirty read regardless of the locking scheme in the update statement?
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Nov 2, 2015
If a column is set to allow nulls I know that a constraint can be used to supply a default (i.e. GetDate() ) when no value is provided but what about when an explicit NULL is provided in an INSERT or UPDATE statement?Is there any way other then an AFTER trigger to substitute a value for an explicitly provided NULL? In other words, assuming that dtAsof is a NULL enabled column, is there any way to over ride what the following will do to MYTABLE:
INSERT MYTABLE(sCol1, sCol2, sCol3, dtAsOf)
SELECT 'a', 'b', 'c', NULL
If there's no way to do this in SQL Server 2008R2 then what about later versions of SQL Server? Do any more recent versions have a way to deal with this? We have a third party app that uses a SQL Server back end and many of the tables have columns for storing audit like data such as date/time but many are left to NULL values and I'd really like to fix that in as passive a way as possible so as to not break the app that uses the database. I know a constraint with a default can be sued to over ride a null but not when a null is explicitly provided.
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May 31, 2001
We are facing lot of problems with Blocking,can any one help us in this matter,The problem is as follows
We have SQL Server 7.0 running on Nt4.0, and three web servers and 5 application servers are accessing SQL server.
Till Yesterday everything was fine,Suddenly today more than 18 processes
were blocked by other(Like chain),First i killed some blocking process,then it was fine,once again it started and continuously some processes are blocked by other,and i found that all blocking process are running from webservers.I ran SQL Profiler to get some information,but no use.
I am not understanding why suddenly it happend,because we have't modified anything.Is there any way to overcome this situation,this is production server.
because of this users are getting slow responce/no responce.
----Here i want to know why it happend?
---How to trace the problem and fix it
Can any one help me please
Thanks
Ananth
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Mar 4, 2015
I try to take the value from row 1 divided by the value from row 2 but it is not working, here is the following:
Here is my table called Trans
ID Period Sales Profit
1 Current 20 5
2 Previous 40 20
I want to take 20 divided by 40(20/40), 5 divided by 20(5/20)
Here is the result I want:
ID Period Sales Sales_Per Profit Profit_Per
1 Current 20 50% 5 25%
2 Previous 40 50% 20 25%
Here is my query:
Select
(t1.Sales/NULLIF(t2.Sales,0) * 100) as Sales_Per
From Trans t1
INNER JOIN Trans t2
on t1.Id = t2.ID - 1
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Mar 12, 2015
I have table Called as ‘DC_BIL_ActivityLog’ and XML column name is ‘ActivityDescription’ in SQL Server 2012.
The following information stored on that Column. I want to read cancellation date (12/23/2015) using select statement.
<ActivityDescription>
<text value="PCN was initiated for Policy ^1 on 12/07/2015. Cancellation Date is: 12/23/2015. Amount needed to rescind PCN is: $XX.80." />
<link id="1" linkText="GLXXXP2015 12/02/2015 - 12/02/2016" linkType="policy">
<linkId parm="1" value="1140" />
</link>
</ActivityDescription>
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Jul 29, 2015
I have a column name Classname and I would like to to Concatenate value.
ID ClassName
1 Class A
2 Class B
3 Class C
4 Class D
I need a output in ssrs report with title like (Class A, Class B, Class C, Class D) .
Can I do in SSRS as well ?
I tried join function in ssrs and I am getting #error join(Field!classname,",")
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Sep 9, 2015
I have a student table like this studentid, schoolID, previousschoolid, gradelevel.
I would like to load this table every day from student system.
During the year, the student could change schoolid, whenever there is a change, I would put current records schoolid to the previous schoolid column, and set the schoolid as the newschoolid from student system.
My question in my merge statement something like below
Merge into student st
using (select * from InputStudent ins)
on st.id=ins.studentid
When matched then update
set st.schoolid=ins.schoolid
, st.previouschoolid= case when (st.schoolid<>ins.schoolid) then st.schoolid
else st.previouschoolid
end
, st.grade_level=ins.grade_level
;
My question is since schoolid is et at the first line of set statement, will the second line still catch what is the previous schoolid?
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Mar 13, 2015
I have below records coming in from source files
ProdName Amount TranType
P1 100 A
P1 100 S
P2 200 A
P2 205 S
In case the ProdName is same, and Amount = or (within +/- 5%) of Amount, I have to update the TranType column as IN/OUT respectively as shown below in the tables.
I am okay with using 2 different tables if needed as in the records comes in one table and then i can reference that table to upload the values in another.
ProdName Amount TranType
P1 100 IN
P1 100 OUT
P2 200 IN
P2 205 OUT
The order of the records coming in can be different order, they need not be subsequent.
This is happening in SQl Server 2008.
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May 8, 2015
i would like to know it's possible to find all transaction(insert, delete,update) on a database for a day. if yes what can i do.
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May 25, 2015
I am working on SSIS wehre I need to work on a flat file as a source and needed to import it to database. If the destination table have the record already, I need to update it and if not exist, I just need to import the whole data.
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Nov 5, 2015
If I rebuild some indexes that are above 30% of average fragmentation, should I after that update statistics?
Also, How can I see if I Need to update statistics^on the tables of my database?
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