T-SQL (SS2K8) :: Change Set Clause Of Update Statement Dynamically Based On Some Condition
May 27, 2015
I want to change Set clause of Update Statement dynamically based on some condition.
Basically i have 2 Update statments having same FROM clause and same JOIN clause.
Only diff is SET clause and 1 Where condition.
So i am trying to combine 2 Update statements into 1 and trying to avoid visit to same table twice.
Update t
Set CASE **WHEN Isnull(td.IsPosted, 0) = 0
THEN t.AODYD = td.ODYD**
*ELSE t.DAODYD = td.ODYD*
END
From #ReportData As t
Join @CIR AS tmp On t.RowId = tmp.Max_RowId
[Code] ....
But CASE statement is not working...
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Feb 27, 2014
I have a script that I use after some amount of data massaging (not shown). I would like to be able to change the
1) denominator value (the value 8 in line 32 of my code) based on how many columns are selected by the where clause:
where left(CapNumber,charindex('_', CapNumber)-1) = 1where capNumber is a value like [1_1], [1_4], [1_6]...[1_9] capNumber can be any values from [1_1]...[14_10] depending upon the specialty value (example: Allergy) and the final number after the equal sign is a number from 1 to 14)
2) I'd like to dynamically determine the series depending upon which values correspond to the specialty and run for each where: left(CapNumber,charindex('_', CapNumber)-1) = n. n is a number between 1 and 14.
3) finally I'd like to dynamically determine the columns in line 31 (4th line from the bottom)
If I do it by hand it's 23 * 14 separate runs to get separate results for each CapNumber series within specialty. The capNumber series is like [1_1], [1_2], [1_3],[1_4], [1_5], [1_6], [1_7], [1_8],[1_9]
...
[8_4],[8_7]
...
[14_1], [14_2],...[14_10]
etc.
Again, the series are usually discontinuous and specific to each specialty.
Here's the portion of the script (it's at the end) that I'm talking about:
--change values in square brackets below for each specialty as needed and change the denom number in the very last query.
if object_id('tempdb..#tempAllergy') is not null
drop table #tempAllergy
select *
into #tempAllergy
from
dbo.#temp2 T
[Code] ....
If I were to do it manually I'd uncomment each series line in turn and comment the one I just ran.
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Feb 5, 2015
I want to add an exception to the WHERE clause below.
Something like:
IF @IDHuis = 'WH' THEN
add the extra condtion:
AND D.AfdelingZPT <> 'A01'
-- HRS VAST
INSERT INTO @T (JAAR, WEEK, HrsVast)
[Code] .....
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Jun 14, 2014
tblScore contains score for each problem
id problemID score
------------------------
1 1 10
2 2 30
tblSubmission contains problem submissions for each user
id user problemID accepted
-----------------------------------------------
1 UserA 1 0
2 UserA 1 0
3 UserA 1 1
4 UserA 2 1
5 UserB 1 0
6 UserB 1 1
7 UserB 2 1
For UserA :
- For problemID 1
-> submitted three times
-> rejected for first two submission and accepted on third submission.
- For problemID 2
-> submitted one time
-> accepted on first submission
For UserB :
- For problemID 1
-> submitted two times
-> rejected for first submission and accepted on second submission.
- For problemID 2
-> submitted one time
-> accepted on first submission
Now I would like to process the table and want to get the following result :
user Score
--------------------------
UserA 36 (6 + 30)
UserB 38 (8 + 30)
Explanation :
- For each rejected submission, a -2 point penalty.
- UserA have submitted probelmID 1
- > score of problemID 1 is 10.
- > first two times rejectd
- > third time accepted.
-> score = 10 - 4 = 6
- UserA have submitted problemID 2
- > score of problemID 2 is 30
- > first time accepted. No penalty will be counted
- > score = 30
so final score for UserA = 30 + 6 = 36
Similar for UserB.
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Feb 18, 2014
I have written a merge Statement where i am facing trouble to delete the data basing on Where Clause Condition.
1) Case 1 : For example i have inserted Data from Source to Target based on Date Key Condition.Take an Instance 10 Records Inserted.
2) Case 2 : For example some changes in the records and it has been updated through the Merge Statement .
3) Case 3 : For the Same Date key based on Conditions now three records has came and need to be inserted and rest should be deleted for that Date Key.
How i need to proceed on this before 10 records are not getting deleted and new records adding for that one
My Example Code :
MERGE INTO TargetTable AS Target
USING (
SELECT DISTINCT Col1,
Col2
FROM Table1 AS cga
)
ON dad.AnchorDate = CASE
[Code] ....
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Aug 15, 2015
I have a requirement to Insert Column 1 and Column 2 based on below condition only. Looking for a Store procedure or query
Condition : Allow Insert when column 1 and Column 2 have same values on 2nd row insert. But should not allow insert when Column 2 value is different.
ALLOW INSERT:
Column1 Column2
A0007 12-Aug
A0007 12-Aug
A0007 12-Aug
DONOT ALLOW INSERT: (COLUMN1 ID should not allow different dates)
Column1 Column2
A0007 23-Mar
A0007 02-Feb
FINAL OUTPUT Should be
Column1Column2
A000712-Aug
A000712-Aug
A000712-Aug
B000220-Jun
B000220-Jun
C000330-Sep
Discard Insert when Column1 ID's comes with Different dates.
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Feb 10, 2015
I have a table in which I would like to change the color of some of the cells based on a condition.
For Example:
IDStartEndDowntime
12/9/15 13:28:412/9/15 13:28:46#VALUE!
22/9/15 13:29:032/9/15 13:29:120:00:17
32/9/15 13:29:172/9/15 13:29:210:00:05
42/9/15 13:29:272/9/15 13:29:310:00:06
When the value of Downtime is greater than 0:00:10 I would like to have the background of that cell to be Red and its font bold. How to accomplish this in query?
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Feb 26, 2014
I have to change the name of the history table dynamically to what is passed in the start date.
If @start_date= '1/1/2014' then it should be history_jan14
If @start_date ='02/01/2014' then it should be history_feb14 and so on.
Is there a way you can do it ?I am using SQL Server 2008.
Code :
DECLARE @start_date datetime
DECLARE @end_date datetime
SET @start_date = '01/01/2014'
SET @end_date = '02/01/2014'
[code]...
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May 19, 2015
DELETE FROM Report_temp2
WHERE MSSalesID in
( Select Report_temp.MSSalesID FROM Report_temp)
DELETE FROM Report_temp
WHEREMSDate < '2015-07-01'
Actually the year stating form july.
Q1 is july,aug,sep.
Q2 is oct nov,dec.
Q3 is jan,feb,mar.
Q4 is april, may,june.
So what I need is dynamically I want to delete the data every year prior to current year.
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Aug 10, 2014
Table A - data example
Idno Entity Flag
1 1 y
2 1 n
3 1 y
4 1 y
Table B - data example
Idno Entity
1 1
2 1
3 1
Table C - data example
Idno Entity
4 1
I want to update the value flag in table A.Update flag from n to y if idno A in table B and and idno A not in table C, so from table A above, first record and 3rd record remain unchange but 2nd record, flag will be changed from n to y. 4th record where idno A not in table b and in Table C so flag will change from y to n. is it possible, or do i need to use the "fetch" method to compare record by record.
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May 15, 2014
I am currently in the process of writing an INSERT/UPDATE trigger in SQL 2012, the scenario is, I have a table called Quote, what I want to happen is when a record gets added to the table with a field called Approved, populated with a value or a record gets Updated and the Approved field gets populated I want the trigger to execute a stored procedure, passing through a value from a field called Account within the Quote table as a variable. I know I can achieve the action using one trigger "AFTER INSERT, UPDATE" but I am struggling on forming the rest of the trigger.
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Apr 7, 2008
I have an optional param passed to my sproc @Pid if that is populated i want to have it part of where clause, if it is null then not in where
I know this is wrong, and very new to sqlsrver:
WHERE (Pos = 'T') AND (ofDate= @OfDate)
IF not @PID is null
AND (PID = @PID )
GROUP BY
bla bla bla
Thanks
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Nov 13, 2014
I have someone telling me that I should have put my AND statement in the join instead of the where part, so is there a difference in the where I put it. Is there a difference in the results in any way between the two here in the results in anyway?
Example:
Given a query:
But let’s take a simple one here:
Query(1)
Select ct1.Name, ct1.address, ct1.city, ct1.state, ct1.zipcode
From cutTableA ct1 Left join cutTableA ct2
On ct1.ID = ct2.ID
Where ct1.zipcode = '14124'
AND ct1.Name = 'Bob'
Query(2)
Select ct1.Name, ct1.address, ct1.city, ct1.state, ct1.zipcode
From cutTableA ct1 Left join cutTableA ct2
On ct1.ID = ct2.ID
AND ct1.zipcode = '14124'
Where ct1.Name = 'Bob'
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May 27, 2015
UPDATE Report
SET MSYear= casewhen MSDate > '2011/06/30' and MSDate < '2012/07/01' THEN '2012'
when MSDate > '2012/06/30' and MSDate < '2013/07/01' THEN '2013'
when MSDate > '2013/06/30' and MSDate < '2014/07/01' THEN '2014'
when MSDate > '2014/06/30' and MSDate < '2015/07/01' THEN '2015'
when MSDate > '2015/06/30' and MSDate < '2016/07/01' THEN '2016'
when MSDate > '2016/06/30' and MSDate < '2017/07/01' THEN '2017'
End
Actually our business year starts from 1st july and for this code I need function which is dynamically updates the every year for example 2014-07-01 to 2015-06-30 this is called as a 2015 year like this I need function which will dynamically update a year.
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Apr 25, 2014
I've come across a piece of code which i have never seen before.
ON T.CT_YEAR in
(
case
.[DBO].[FN_GET_YEAR]
(
CAST
(
C.[YEAR] AS VARCHAR(4)
[Code] ....
The CT_Year column is simply C for current year L for last year, O for Other, N for Next.
The Function simply returns the year value.
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Aug 12, 2014
I need to write a SQL script where a join condition is using date columns (effective_date, ineffective_date). The effective date columns can be slightly different (e.g. differ by a day) for some rows of data. I need the join condition to accommodate these date differences and return these rows of data as well.
I have a table which uses multiple joins to create another table but it turns out that the effective_date which is used in the join to match row together does not work all the time since some of the dates for the effective date column are out of sync meaning records that show data as missing even when the other table contains the data. I tried the SQL script below using the BETWEEN clause but it returning 6 rows instead of 3–
select t2.[entity_id]
,t2.[effective_date]
,[company_name]
,[last_accounts_date]
,[s_code]
,[s_code_description]
[Code] .....
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Apr 17, 2015
I am supposed to delete all rows from USER and its child tables based on PracticeID = '55' filter condition.
I have dynamically generated queries to delete child table first followed by parent. Table [EncounterSignOff] si child and [User] is parent.
I would like to know, whether the Query 1 is valid for deleting child records?
Query:1
DELETE Top(100000) FROM [dbo].[EncounterSignOff]
FROM [dbo].[User] INNER JOIN [dbo].[EncounterSignOff] ON [User].[UserID] = [EncounterSignOff].[UserId]
WHERE [User].PracticeID = '55';
Query:2
DELETE Top(100000) FROM [dbo].[User] WHERE [User].PracticeID = '55';
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Jun 5, 2015
I have a population split between two vendors. One gets last names between A and R, the other the rest. Now, on a given date vendor 1 gets everybody.
I can accomplish this with a case statement on the upper range (R or Z), but it seems I should be able to do this without testing at all after the turnover date.
A small bit of the code:
declare @get_date datetime = convert(char(10),getdate(),101)
select top 10 pt.pt_id, pt.last_name
fromsmsmir.mir_acct a join smsmir.mir_pt pt on (a.src_sys_id = pt.src_sys_id
and a.pt_id = pt.pt_id
and a.from_file_ind = pt.from_file_ind
[Code] ....
Seems I should be able to not test the last name after the turnover date, but I can't figure out how.
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Jun 30, 2006
Hi all,
HERE IS MY UPDATE STATEMENT:
Update WACTS_Inventory_Part_Loc_Tbl SET WIPLT_Part_New_Qty = WIPLT.WIPLT_Part_New_Qty + tmp.MATIN_QTY FROM
WACTS_Inventory_Part_Loc_Tbl WIPLT
INNER JOIN
Temp_MatIn_Data tmp
ON
WIPLT.WIPLT_Part_Number_MSBA=tmp.PARTS_ShortID
WHERE
WIPLT.WIPLT_Location_Code='MF'
I have a Problem with this satment becoz my Temp_Matin_Data_Tmp table contains two records with the same PartNumber that is (ShortId) and the two records have two different quantities.
The WACTS_Inventory_Part_Loc_Tbl has only one Part NUmber Record and the key is the PartNUmber and Location_Code.
Now when the Update Satement runs it updates the qty only from the first record of the temp table and does not update the quantity of the second record from tne source table.
I woould appreciate any help on this.
Thanks,
Jothi
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Jul 9, 2015
I basically want to select all GRNID's from one table but they have to be between dates in another table.So I want all GRN's between two dates found in the ABSPeriodEndDate table. To find out the start date for the between clause I need to find the MAX Period then minus 1 and the max year. To find the end date of the between clause I want I need to find both the max period and year. But I want the DateStamp column to return the results for the between clause. My query is below:
SELECT tblGRNItem.GRNID
FROM tblGRNItem
INNER JOIN ABSPeriodEndDates ON tblGRNItem.DateCreated = ABSPeriodEndDates.DateStamp
WHERE tblGRNItem.DateCreated BETWEEN
(SELECT ABSPeriodEndDates.DateStamp FROM ABSPeriodEndDates WHERE ABSPeriodEndDates.DateStamp = (SELECT
[code]....
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Jan 9, 2015
Ok I have a query "SELECT ColumnNames FROM tbl1" let's say the values returned are "age,sex,race".
Now I want to be able to create an "update" statement like "UPATE tbl2 SET Col2 = age + sex + race" dynamically and execute this UPDATE statement. So, if the next select statement returns "age, sex, race, gender" then the script should create "UPDATE tbl2 SET Col2 = age + sex + race + gender" and execute it.
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Jul 20, 2005
Hi All,I have a database that is serving a web site with reasonably hightraffiic.We're getting errors at certain points where processes are beinglocked. In particular, one of our people has suggested that an updatestatement contained within a stored procedure that uses a wherecondition that only touches on a column that has a clustered primaryindex on it will still cause a table lock.So, for example:UPDATE ORDERS SETprod = @product,val = @valWHERE ordid = @ordidIn this case ordid has a clustered primary index on it.Can anyone tell me if this would be the case, and if there's a way ofensuring that we are only doing a row lock on the record specified inthe where condition?Many, many thanks in advance!Much warmth,Murray
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Aug 14, 2001
Hi,
I'm trying to inner join an update statement.
Something like this:
update #point_connection_temp AS a inner join #point_connection_temp_two as b on a.key_fld = b.key_fld set a.next_point = b.next_point
where #point_connection_temp.next_point is null
order by a.key_fld
I'm getting an error message:Incorrect syntax error near AS
Any help will be greatly appreciated.Thank you!!!!!!!!!1
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Feb 9, 2006
For example..
select * from mytable where MyNum = 7
If this brings back more than 1 row, I want to display a message that says,
Print 'There is more than one row returned'
Else (If only 1 row returned), I don't want to print anything.
Can I do this? Thx!
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Jun 4, 2015
I have used the below update query. However, its updating only the first value. Like its updating AB with volume when c.Type = ABC, similarly for CD. Its not updating based on the 2nd or the next case condition.
Update XYZ Set AB = a.Amt * (CASE WHEN c.Type = 'ABC' THEN (c.volume)
WHEN c.TYPE = 'DEF' THEN (c.volume)
WHEN c.Type = 'GHI' THEN (c.volume)
Else 0
END),
CD = CASE WHEN c.Type = 'MARGIN' THEN '4105.31'
WHEN c.Type = 'ABC' THEN '123.1'
WHEN c.Type = 'DEF' THEN '234.2'
WHEN c.Type = 'GHI' THEN '567.1'
END
from table1 a join table2 b
on a.Cust = b.Customer
join table3 c
on b.account = c.account and b.channel =c.channel
Why its not working properly? But if i use Select statement instead of update query its working properly.
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Jun 11, 2014
I have this update statement that I need to have joined by MSA and spec.
I keep getting an error.
Msg 1011, Level 16, State 1, Line 3
The correlation name 't1' is specified multiple times in a FROM clause.
Here is my statement below. How can I change this?
UPDATE MSA
SET [Count on Billed Charges] = (Select Count(distinct[PCS Number])
From MonthEnds.dbo.vw_All_Products t1
Inner Join MonthEnds.dbo.vw_All_Products t1 on t1.[MSA Group] = t2.[MSA Group] and t1.[Spec 1] = t2.[Spec 1])
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Oct 17, 2015
I write a query to get some data as the following. but i need when a user check specified condition a query parameter change to specified condition :
create proc proc_ReservationDetails
(
@status nvarchar(50) = null
)
as
begin
select reservationId, reservationStatus, reservationDesc
[Code] .....
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May 29, 2014
I have a situation where I want to update a column if and only if it is null.
UPDATE Employee
SET VEmployeeID = CASE WHEN E.VEmployeeID IS NULL
THEN ves.VEmployeeID
END
FROM Employee E
INNER JOIN VEmployeeStaging VES
ON E.EID= VES.EID
But what happens is when I run the procedure every other time I run it, it changes everything to null. The other times it puts the VEmployeeID in.
So what is happening is the times when it is not null (where it is not supposed to do anything) it puts a null in. The next time it works.
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Aug 14, 2014
I'm trying to generate an update statement based off select statement results. A very basic example,
SELECT ListID FROM DListing WHERE Status = 2Results return 3 rows.
1234
2345
3456
How can I take those results and turn them into WHERE criteria for UPDATE statement?
Generated UPDATE statement should look like this.
UPDATE DListing SET Status = 1 WHERE ListID IN (1234,2345,3456)
I have started by creating a temp table to hold my SELECT results, but I don't know how to get those results into format for IN condition. Right now I get 3 UPDATE statements with 1 ListID in each IN condition.
CREATE TABLE #TempStatusUpdate(ListID INT)
INSERT INTO #TempStatusUpdate
SELECT ListID FROM DListing WHERE Status = 2
SELECT 'UPDATE DListing SET Status = 1 WHERE ListID IN (' + CONVERT(VARCHAR(30),ListID) + ') AND Status = 2'
DROP TABLE #TempStatusUpdate
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Jul 20, 2005
Hello,I have 2 ways of updating data I'm using often1) via a cursor on TABLE1 update fields in TABLE22) via an some of variables ...SELECT @var1=FLD1, @var2=FLD2 FROM TABLE1 WHERE FLD-ID = @inputVARUPDATE TABLE2SET FLDx = @var1, FLDy = @var2WHERE ...Now I have a system with 2 databases and I need to update table DB2.TABbased on data in DB1.TAB. Instead of using 1 of the 2 ways I normally use,I thought it would be much easier to get the required data immediately fromDB1.TAB in the update-statement of DB2.TAB ... but the way to do thatconfuses me. I've checked books online and a lot of newsgrouppostingsgiving good information but still I keep getting errors like this ...The column prefix 'x.ADS' does not match with a table name or alias nameused in the query.while executing the following statement ...UPDATE DB2.dbo.TABSETFLD1 = x.FLD1,FLD2 = x.FLD2,...FROM DB1.dbo.TAB x, DB2.dbo.ADSWHERE DB2.dbo.TAB.REFID = x.IDOFTAB1 AND DB2.dbo.TAB.IDOFTAB2 =@InputParameterSo in DB2.TAB I have a field REFID reffering to the keyfield IDOFTAB1 oftable DB1.TABAND I only want to update the row in DB2.TAB with the unique keyfieldIDOFTAB2 equal to variable @InputParameterDo you see what I'm doing wrong?--Thank you,Kind regards,Perre Van Wilrijk,Remove capitals to get my real email address,
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Jun 13, 2007
Hello,
I have a SQL update statement that updates some user names, however, the user names exceed the length of the data type. Currently, for the column username the data type is set to nvarchar (8).
How can I change that to nvarchar(10) in a SQL Update statement?
Thanks in advance.
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Sep 4, 2014
The FirstName and LastName values being passed in are in cyrillic text.
How do I add the N prefix in the update statement in order to store the text correctly.
I've tried FirstName = N@Firstname
or FirstName = '''N''' + @FirstName + '''
[dbo].[sp_UpdateDealerPeopleInfo](
@PersonId char(9),
@OriginalSID char(9),
@FirstName Varchar(50),
@LastName Varchar(50),
[code].....
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Jan 3, 2006
I have a GridView dispalying from a SQLServerDataSource that is using a SQL Select Union statement (like the following):
SELECT FirstName, LastNameFROM MasterUNION ALLSELECT FirstName, LastNameFROM CustomORDER BY LastName, FirstName
I am wondering how to create Update and Insert statements for this SQLServerDataSource since the select is actually driving from two different tables (Master and Custom). Any ideas if or how this can be done? Specifically, I want the Custom table to be editable, but not the Master table. Any examples or ideas would be very much appreciated!
Thanks,
Randy
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