Notifying Multiple Applications Of Table Update
Jul 20, 2005
Hello,
I am writing an application using Visual Studio .NET (C#). The
application will be run on several workstations simultaneously, and
all of them will be accessing a single sql server database. I am
trying to have it so that when one of the applications updates the
fields of a table in the database, all of the other applications are
notified (Without polling the DB).
I have been trying to do this by using a SQL Trigger and calling
RaisError from within. This will create an exception for the calling
application (what i wanted), but I can get any of the other
applications to see the error.
Is there a way of accomplishing this using triggers? Is there another
way of notifying all applications of a database change without the use
of polling?
James Chang
Join Bytes!
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Mar 18, 2005
hi,friends
we show record from multiple table using single 'selectcommand'.
like....
---------
select *
from cust_detail,vend_detail
---------
i want to insert value in multiple database table(more than one) using single 'insert command'.
is it possible?
give any idea or solution.
i want to update value in multiple database table(more than one) using single 'update command'
i want to delete value in multiple database table(more than one) using singl 'delete command'
it is possible?
give any idea or solution.
it's urgent.
thanks in advance.
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Aug 4, 2015
I have a table called ADSCHL which contains the school_code as Primary key and other two table as
RGDEGR(common field as SCHOOl_code) and RGENRl( Original_school_code) which are refrencing the ADSCHL. if a school_code will be updated both the table RGDEGR (school_code) and RGERNL ( original_schoolcode) has to be updated as well. I have been provided a new data that i have imported to SQL server using SSIS with table name as TESTCEP which has a column name school_code. I have been assigned a task to update the old school_code vale ( ADSCHL) with new school_code ( TESTCEP) and make sure the changes happen across all 3 tables.
I tried using Merge Update function not sure if this is going to work.
Update dbo.ADSCHL
SET dbo.ADSCHL.SCHOOL_CODE = FD.SCHOOL_Code
FROM dbo.ADSCHL AD
INNER JOIN TESTCEP FD
ON AD.SCHOOL_NAME = FD.School_Name
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Jun 10, 2015
Matrix table has ID column and data below.
ID Flag TestDate Value Comment
111 2 12/15/2014 7.5 null
222 2 Null 10 received
Matrix_Current table could have 1 or multiple rows as below.
ID Flag TestDate Value Comment
111 2 01/26/2015 7.9
111 2 02/23/2015 7.9
111 2 04/07/2015 6.8
222 1 null 8 test comment 1
222 3 null 9 test comment 2
When I run below update
UPDATE AM
SET M.Flag = MC.Flag, M.TestDate = MC.TestDate,
M.Value = MC.Value, M.comment = MC.Comment
FROM dbo.Matrix M inner join dbo.Matrix_Current MC on M.ID = MC.ID
Matrix table has value below:
ID Flag TestDate Value Comment
111 2 01/26/2015 7.9
222 1 Null 8 test comment 1
I want to update Matrix table from all row from Matrix_Current, final table would like below:
ID Flag TestDate Value Comment
111 2 04/07/2015 6.8
222 3 Null 9 test comment 2
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Nov 11, 2014
I want to update multiple rows in one table
DDL of 3 tables
CREATE TABLE [dbo].[appl](
[app_id] [numeric](9, 0) IDENTITY(1,1) NOT NULL)
CREATE TABLE [dbo].[appl_party](
[prty_id] [numeric](9, 0) NOT NULL,
[app_id] [numeric](9, 0) NOT NULL)
CREATE TABLE [dbo].[party](
[prty_id] [numeric](9, 0) IDENTITY(1,1) NOT NULL,
[lockbyid] [char](8)
I want to update muliple rows in table "party" for column "lockbyid"
below is the update query with which i can only update one row but i need to update multiple rows in party table
update party set LOCKBYID ='abcd' where prty_id in
(select distinct prty_id from sappl_party where app_id in (Select appl.app_id
FROM appl INNER JOIN appl_party ON appl.app_id = appl_party.app_id where appl_party.prty_id=1234))
and LOCKBY_USR_ID is null
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Mar 4, 2005
I need to create a trigger or procedure that will notify users to follow up on a report they produce to other departments after 120 days. The report will be based off the date it was presented to the department "DateRptPresent" and the the 120 days will be calculated off the date it was reviewed by management. Is this possible??
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Jul 23, 2015
I need to update more than one record at once. I have ~ 100 records that I have to update and don't want to execute query 100 times.
My query looks like this:
Update Table1
Set Table1.field1 = ( select Table2.field1 from Table2 where Table2.field2 IN ('a', 'b', 'c')
where Table1.field2 IN ( 'a', 'b', 'c')
It obviously failed because subquery returned more than one value and error message stated that I can't use '=' operator in this case.
My question: how could I update the same column from many records in one execution?
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Nov 15, 2013
I want to update multiple column in one table using with case statement. i need query pls..
stdidnamesubject result marks
1 arun chemistry pass 55
2 alias maths pass 70
3 babau history pass 55
4 basha hindi NULL NULL
5 hussain hindi NULL nULL
6 chandru chemistry NULLNULL
7 mani hindi NULLNULL
8 rajesh history NULLNULL
9 rama chemistry NULLNULL
10 laxman maths NULLNULL
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Jan 8, 2007
Hi everyone. I am updating a table with aggregate results for multiplecolumns. Below is an example of how I approached this. It works finebut is pretty slow. Anyone have an idea how to increase performance.Thanks for any help.UPDATE #MyTableSET HireDate=(Select Min(Case When Code = 'OHDATE' then DateChangedelse null end)From HREHWhere #MyTable.HRCo=HREH.HRCo and#MyTable.HRRef=HREH.HRRef ),TerminationDate=(select Max(Case When Type = 'N' thenDateChanged else null end)From HREHWhere #MyTable.HRCo=HREH.HRCo and#MyTable.HRRef=HREH.HRRef ),ReHireDate=(select MAX(Case When Code = 'HIRE' thenDateChanged else null end)From HREHWhere #MyTable.HRCo=HREH.HRCo and #MyTable.HRRef=HREH.HRRef )
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Aug 25, 2013
I am working on a hospital application using java programming language, i need to know how to connect two applications to one table over a network where the data read by application one can not be read by application 2 and vise versa...
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Jun 29, 2006
Hi there!
I expercience some problems in sending the alert mails to the operator when an Agent Failure Alert happens.
I have setup MSSQL 2005 with merge replication and have setup mail the ss2005 way. I also can send test mails via the Database mail context menu.
I have setup a operator with a valid emailadress and enabled is checked
On the notifications page 'Agent Failure Alert' is checked.
When this alert fires the number of occurences in the history of this alert is incremented (as I can see via the alertsection-Agentfailure-history) this alert is also enabled. The problem is that the operator does not get notified!
So I can send test email from the DB, have setup an Operator with emailadress, have enabled an alert and see the number of occurences of this alert increment. I don't get any alert mails. The notifications attempt in the history page of the operator does not increment. It says: [never emailed]
Well I hope you can help!
Sincerley
Edward
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Aug 10, 2006
hi all,
i have 20 replication task per day
i wan't to notify my end-user that all
these task has sucessfully completed
using a single email.
I know each task can send email individually
but thats not what i need
TIA
thanks,
joey
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Jul 16, 2015
We have control table which will be useful whether we need to start the job or not. If we are starting the Job we will make it to 1.
Below is the Table Structure.
Table Name IN_USE_FG
CUST_D 0
PROD_D 0
GEO_D 0
DATE_D 0
Now we have different packages for 4 tables data loading. These 4 packages will start at a time. Before going to load the data we have to make the Flag to 1 and after that we have to load it. Because of this we have written Update statement to update the Value to 1 in respective Package.
Now we are getting dead lock because we are using same table at a same time. Because we are updating different records.
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Jul 31, 2015
I have a table #vert where I have value column. This data needs to be updated into two channel columns in #hori table based on channel number in #vert table.
CREATE TABLE #Vert (FILTER VARCHAR(3), CHANNEL TINYINT, VALUE TINYINT)
INSERT #Vert Values('ABC', 1, 22),('ABC', 2, 32),('BBC', 1, 12),('BBC', 2, 23),('CAB', 1, 33),('CAB', 2, 44) -- COMBINATION OF FILTER AND CHANNEL IS UNIQUE
CREATE TABLE #Hori (FILTER VARCHAR(3), CHANNEL1 TINYINT, CHANNEL2 TINYINT)
INSERT #Hori Values ('ABC', NULL, NULL),('BBC', NULL, NULL),('CAB', NULL, NULL) -- FILTER IS UNIQUE IN #HORI TABLE
One way to achieve this is to write two update statements. After update, the output you see is my desired output
UPDATE H
SET CHANNEL1= VALUE
FROM #Hori H JOIN #Vert V ON V.FILTER=H.FILTER
WHERE V.CHANNEL=1 -- updates only channel1
UPDATE H
SET CHANNEL2= VALUE
FROM #Hori H JOIN #Vert V ON V.FILTER=H.FILTER
WHERE V.CHANNEL=2 -- updates only channel2
SELECT * FROM #Hori -- this is desired output
my channels number grows in #vert table like 1,2,3,4...and so Channel3, Channel4....so on in #hori table. So I cannot keep writing too many update statements. One other way is to pivot #vert table and do single update into #hori table.
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Oct 1, 2015
The objective is to identify orders where an order fee has been applied incorrectly. I have multiple orders per customer, my table contains an orderID and a customerID. Currently if the customer places additional orders before the previous orders have been closed/cancelled, then additional fees are being applied.
Let's say I'm comparing order #1 to order #2. I need to identify these rows where the following is true:-
The CustID is the same.
Order #2 has a more recent order date.
Order #2 has a FeeDate Before the CancelledDate of Order #1 (or Order #1 has no cancellation date).
So in the table the orderID:2835692 of CustID: 24643 has a valid order fee. But all the subsequently placed orders have fees which were applied before the first order was cancelled and so I want to update the FeeInvalid column with a 'Y'. The first fee will always be valid.
I think I understand why the code I am trying doesn't achieve the result I want but I can't figure out how to write it correctly. Below is one example of code I've tried and also code to create the table and insert some test data.
update t1
SET FeeInvalid = 'Y'
FROM MockData t1 Join MockData t2 on t1.CustID = t2.CustID
WHERE t1.CustID = t2.CustID
AND t2.OrderDate > t1.OrderDate
AND t2.FeeDate > t1.CancelledDate
CREATE TABLE [dbo].[MockData](
[OrderID] [float] NULL,
[code]....
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Apr 26, 2015
I have two tables A(uname,address,full_name) and B(uname,full_name). I want to update table A for all matching case of uname in table B.
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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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Oct 19, 2005
UPDATE #TempTableESR SET CTRLBudEng = (SELECT SUM(Salaries) from ProjectBudget WHERE Project = @Project)UPDATE #TempTableESR SET CTRLBudTravel = (SELECT SUM(Travels) from ProjectBudget WHERE Project = @Project)UPDATE #TempTableESR SET CTRLBudMaterials = (SELECT SUM(Materials) from ProjectBudget WHERE Project = @Project)UPDATE #TempTableESR SET CTRLBudOther = (SELECT SUM(Others) from ProjectBudget WHERE Project = @Project)UPDATE #TempTableESR SET CTRLBudContingency = (SELECT SUM(Contingency) from ProjectBudget WHERE Project = @Project)above is the UPDATE command i am using in one of my stored procedures. I have to SELECT from my ProjectBudget table 5 times to update my #TempTableESR table. is there an UPDATE command i can use which would let me update multiple fields in a table using one SELECT command?
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Jun 14, 2007
Hi,I have table with three columns as belowtable name:expNo(int) name(char) refno(int)I have data as belowNo name refno1 a2 b3 cI need to update the refno with no values I write a query as belowupdate exp set refno=(select no from exp)when i run the query i got error asSubquery returned more than 1 value. This is not permitted when thesubquery follows =, !=, <, <= , >, >= or when the subquery is used asan expression.I need to update one colum with other column value.What is the correct query for this ?Thanks,Mani
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Jul 20, 2005
I'm having an Employee table with a Salary field. How can we increate thesalary of the employees with following conditions:1) salary between 1000 and 10000 : increase 25%2) salary between 10000 and 20000 : increase 15%3) salary between 20000 and 30000 : increase 5%Surely you can create a cursor to solve this. But the question is, Is itpossible to solve this in a single query, if no what is most optimizedway?
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Aug 10, 2015
Here is my requirement, How to handle using SSIS.
My flatfile will have multiple columns like :
ID key1 key2 key3 key 4
I have SP which accept 3 parameters ID, Key, Date
NOTE: Key is the coulm name from the Excel. So my sp call look like
sp_insert ID, Key1, date
sp_insert ID, Key2,date
sp_insert ID, Key3,date
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Apr 15, 2014
I am facing a problem in writing the stored procedure for multiple search criteria.
I am trying to write the query in the Procedure as follows
Select * from Car
where Price=@Price1 or Price=@price2 or Price=@price=3
and
where Manufacture=@Manufacture1 or Manufacture=@Manufacture2 or Manufacture=@Manufacture3
and
where Model=@Model1 or Model=@Model2 or Model=@Model3
and
where City=@City1 or City=@City2 or City=@City3
I am Not sure of the query but am trying to get the list of cars that are to be filtered based on the user input.
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Jul 24, 2015
I'm trying to create an email report which gives a result of multiple results from multiple databases in a table format bt I'm trying to find out if there is a simple format I can use.Here is what I've done so far but I'm having troble getting into html and also with the database column:
EXEC msdb.dbo.sp_send_dbmail
@subject
= 'Job Summary',
@profile_name =
'SQL SMTP',
[code]....
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Feb 16, 2006
Hi SQL fans,I realized that I often encounter the same situation in a relationdatabase context, where I really don't know what to do. Here is anexample, where I have 2 tables as follow:__________________________________________ | PortfolioTitle|| Portfolio |+----------------------------------------++-----------------------------+ | tfolio_id (int)|| folio_id (int) |<<-PK----FK--| tfolio_idfolio (int)|| folio_name (varchar) | | tfolio_idtitle (int)|--FK----PK->>[ Titles]+-----------------------------+ | tfolio_weight(decimal(6,5)) |+-----------------------------------------+Note that I also have a "Titles" tables (hence the tfolio_idtitlelink).My problem is : When I update a portfolio, I must update all theassociated titles in it. That means that titles can be either removedfrom the portfolio (a folio does not support the title anymore), addedto it (a new title is supported by the folio) or simply updated (atitle stays in the portfolio, but has its weight changed)For example, if the portfolio #2 would contain :[ PortfolioTitle ]id | idFolio | idTitre | poids1 2 1 102 2 2 203 2 3 30and I must update the PortfolioTitle based on these values :idFolio | idTitre | poids2 2 202 3 352 4 40then I should1 ) remove the title #1 from the folio by deleting its entry in thePortfolioTitle table2 ) update the title #2 (weight from 30 to 35)3 ) add the title #4 to the folioFor now, the only way I've found to do this is delete all the entriesof the related folio (e.g.: DELETE TitrePortefeuille WHERE idFolio =2), and then insert new values for each entry based on the new givenvalues.Is there a way to better manage this by detecting which value has to beinserted/updated/deleted?And this applies to many situation :(If you need other examples, I can give you.thanks a lot!ibiza
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Feb 12, 2015
I have an Parent table (Parentid, LastName, FirstName) and Kids table (Parentid, KidName, Age, Grade, Gender, KidTypeID) , each parent will have multiple kids, I need the result as below:
I need results for each parent like this
ParentID, LastName, FirstName, [Kid1Name,Kid2Name,Kid3Name], [Kid1Age,Kid2Age,Kid3Age],[kid1grade,Kid2grade,Kid3grade],[kid1gender,Kid2gender,Kid3gender]
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Jul 8, 2015
I have a table where table row gets updated multiple times(each column will be filled) based on telephone call in data.
Initially, I have implemented after insert trigger on ROW level thinking that the whole row is inserted into table will all column values at a time. But the issue is all columns are values are not filled at once, but observed that while telephone call in data, there are multiple updates to the row (i.e multiple updates in the sense - column data in row is updated step by step),
I thought to implement after update trigger , but when it comes to the performance will be decreased for each and every hit while row update.
I need to implement after update trigger that should be fired on column level instead of Row level to improve the performance?
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Dec 1, 2006
I have one control table to store all related table name
Table ID TableName
1 TableA
2 TableB
In Table A:
RecordID Value
1 1
2 2
3 3
In Table B:
RecordID Value
1 1
2 2
3 3
How can I get the result by select the Table list first and then combine the data in table A and table B?
Thank you!
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Jun 9, 2008
Hi everyone, ok so heres my problem. I'm currently writting some scrips to query an simple inventory database. heres what i'm trying to do.
I have a .asp webpage that has a query on it that can dispaly everything in the inventory... old and new in a big html table.
The idea is to not actualy delete anything because i would still like to have a record of it's existance but at the same time i dont want it to clutter my "current" inventory i guess it would call it.
I added another column named deleted which is set to the Yes/No and TRUE/FALSE data types, i also put in a check box at the end of every row on the webpage, the idea here is that if a box is checked it will record that row's id via address bar/Get method and then when i hit submit it will run the update query for those rows checked
i changed my inventory query so that if an item's deleted column is checked to TRUE then it will not be displayed, so showing only the non deleted items.
UPDATE Licenses SET Licenses.deleted = TRUE
WHERE Licenses.LicensesID=33;
thats what i'm using to change it case by case basis, but what i would like to do is somthing like
UPDATE Licenses SET Licenses.deleted = TRUE
WHERE Licenses.LicensesID=33,34,67....so on
LicensesID is just a auto incrememted field jsut to give a unique value to a license's row..
does anyone know any tricks to accomplish what i'm trying to do? So far I havn't really found any satisfactory examples online. and i dont really want to completly change the structure of everything unless someone suggust somthing that is clearly a better way of doing things
thanks,
O
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Jan 30, 2007
Hi.
I am trying to update multiple row with different value. Is this possible w/ query or should I create a procecure?
Suppose I have two table A and B, I need to update values of A_b = B_b, A_c = B_c where A_a = B_a
below query somewhat shows what I am trying to do...
UPDATE A SET A_b = B_b, A_c = B_c WHERE A_a IN (SELECT B_a FROM B)
Thank you.
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Feb 15, 2008
Hello
I've to write an trigger for the following action
When a entry is done in the table Adoscat79 having in the index field Statut_tiers the valeur 1 and a date in data_cloture for a customer xyz
all the entries in the same table where the no_tiers is the same as the one entered (many entriers) should have those both field updated
statut_tiers to 1
and date_cloture to the same date as entered
the same action has to be done when an update is done and the valeur is set to 1 for the statut_tiers and a date entered in the field date_clture
thank you for your help
I've never done a trigger before
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Apr 7, 2008
hi all~i very confuse~i using mssqlserver 2005 in visual basic 2005express..but i feel like want to update two table at onces..i faced some problem~i give an example..my tableA got user id, user name and table B got user id and status.In both table, i put user id as primary key and it will auto link each other and i retrieve the user id and user name from table A and user status from table B~..in order to come out the data in gridview with three columns which are user id, user name and user status..in this case, it works perfectly..but when come to update part, i only able to update one table at once, when i trying to update both table, it occurs errors...i did read some forum, some said it is impossible to do it?isn't?then is dere got any other ways to make me update both table at once?my purpose of this is wish to update user id and user name from table A and user status on table B....~i guess maybe my database design concept got problem..hope someone giv help on these... by the way izit foreign key can solve this?and how to put the foregin key?
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May 13, 2004
Any idea how to fix my code. I am getting this error message below....
Server: Msg 512, Level 16, State 1, Procedure TrigRetReqRecIDP1, Line 11
Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.
The statement has been terminated.
Set @intRowCount = (select count(*) from RequestRecords where REID = @REID)
While (select @REID from RequestRecords) != @intRowCount
Begin
select @intRRID = (select REID from RequestRecords where REID=@REID and RRStatus = 'PE')
Exec TrigAssignImpTaskNewP1 @intRRID, @REID
End
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Jun 29, 2005
Hi,I have a a table that is primarily a linking table that contains values for categories indid int Indicator ID indtype int Indicator Type can be either 0 or 1catflagnum int Category Flag Number the number of the Category catflagvalue int Cat Flag Value The Value for that category this table can then be updated from a web form.The Question I have is that can I do this in one statement or do I have to do it one at a time i.e The Data set could look something like indid = 3 'This value will be the same for all rows indtype = 0 'This will be the Same for all rows Catflagnum = 1 'This value will change Catflagvalue = 1 'This value will change indid = 3 'This value will be the same for all rows indtype = 0 'This will be the Same for all rows Catflagnum = 2 'This value will change Catflagvalue = 3 'This value will change indid = 3 'This value will be the same for all rows indtype = 0 'This will be the Same for all rows Catflagnum = 3 'This value will change Catflagvalue = 1 'This value will change indid = 3 'This value will be the same for all rows indtype = 0 'This will be the Same for all rows Catflagnum = 4 'This value will change Catflagvalue = 5 'This value will change A further complication is that in the table an entry may not be in that table for the category so we would possibly have to check if the record exist or do an insertI am stumped on this one?
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