Loop Through Records
May 8, 2008
Hello,
i have a table that has some informatio regarding an office building in it.
It also has the building managers information in it. I want to create two
new tables. One with just the building info, and one with just the managers
info. Now, I have created the two new tables. In the building table, I have
one column that has the ManagerID. So I have written a query that imports
all the building info into the new table. Here is my question. How can I
insert (one at a time I guess) the Managers into their new table while
updating the new ManagerID into the buildings table? If i was doing this
through something like C# I would just insert one row at a time, get the new
ID, the update the second table. But I do now know how to build that type of
look in SQL. Can someone help me?
Thanks,
Michael
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Jan 17, 2008
I'm doing a select from a database table, opening a data reader, then looping through the datareader in a while loop and setting a variable. For some reason every record gets stored in the variable except for the first one. Is there something you need to do in order to get the first one? Here is what I have. Thanks
1
2 Dim conn As New SqlConnection(Application("ConnectionString"))
3 conn.Open()
4
5
6 Dim cmdAllOffices As New SqlCommand("select officeid from corp_officephone_map_tbl where " & _
7 "emplid=" & "'" & strEmplid & "'", conn)
8
9 Response.Write(cmdAllOffices.CommandText.ToString & "<br><br>")
10
11
12
13 Dim drAllOffices As SqlDataReader = cmdAllOffices.ExecuteReader()
14
15 drAllOffices.Read() ' Read The Data
16
17
18
19 Dim strAllOffices As String = Nothing
20
21
22 While drAllOffices.Read()
23
24
25 strAllOffices &= ("'" & drAllOffices("officeid") & "'" & ",")
26
27
28
29 End While
strAllOffices contains a comma delimited string, but always is missing the first record.
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Apr 20, 2004
Hi,
I have this stored procedure:
ALTER PROCEDURE dbo.spTest
AS
declare @idQuestion int
set @idQuestion = 0
while @idQuestion <= 5
BEGIN
set @idQuestion = @idQuestion + 1
SELECT @idQuestion
END
RETURN
and it returns values in this format:
-----------
1
-----------
2
-----------
3
What do I have to change so the results are something like my next example so I can extract them with a data reader
-----------
1
2
3
I would like to use the while loop as this example is a simplified version of my stored procedure.
Thank you,
dg
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Aug 5, 2015
I'm looking for a way of taking a query which returns a set of date time fields (probable maximum of 20 rows) and looping through each value to see if it exists in a separate table.
E.g.
Query 1
Select ID, Person, ProposedEvent, DayField, TimeField
from MyOptions
where person = 'me'
Table
Select Person, ExistingEvent, DayField, TimeField
from MyTimetable
where person ='me'
Loop through Query 1 and if it finds ANY matching Dayfield AND Timefield in Query/Table 2, return the ProposedEvent (just as a message, the loop could stop there), if no match a message saying all is fine can proceed to process form blah blah.
I'm essentially wanting somebody to select a bunch of events in a form, query 1 then finds all the days and times those events happen and check that none of them exist in the MyTimetable table.
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Aug 27, 2012
I have a table with employee references and a startdate.
I want to insert into a new table an entry for each employee for each date since their startdate to today.
Eg
EMPTABLE
empref,startdate
0001,01.01.2012
0002,02.02.2012
What I require is
NEWTABLE
empref, Date
0001,01.01.2012
0001,01.02.2012
0001,01.03.2012
......
0001,08.27.2012
0002,02.02.2012
0002,02.03.2012
......
0002,08.27.2012
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Sep 21, 2005
Hi. It seems to be very simple, actually, but I don't know if it isfeasible in TSQL. I have a sproc which gathers in one place many callsto different other sprocs, all of them taking a 'StoreGroupe'parameter. I would like to add a case where if the call has NOStoreGroupe parameter, the sproc should LOOP thru all records in tableStoreGroupeTable, read the column StoreCode, and pass that value as aparam to the other sprocs, as in:CREATE PROCEDURE MySproc(@StoreGroupe nvarchar(6) = NULL)ASif (@StoreGroupe is not null)BeginExec _Sproc1 @StoreGroupeExec _Sproc2 @StoreGroupeExec _Sproc3 @StoreGroupeExec _Sproc4 @StoreGroupe...............EndElseBeginA 'Group Code' has NOT been specifiedI want to take all the StoreGroups in tableStoreGroupeTable, in turn.I would like to do SOMETHING LIKE THIS:Do While not [StoreGroupeTable].EOFRead [Code] from [StoreGroupeTable]Set @StoreGroupe = The value I just readExec _Sproc1 @StoreGroupeExec _Sproc2 @StoreGroupeExec _Sproc3 @StoreGroupeExec _Sproc4 @StoreGroupe...............LoopEndGOIs that feasible in a sproc, or do I have to do this in the client(ADO) ?Thanks a lot.Alex.
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Dec 20, 2006
I'm working on a data migration that requires combining rows/values from one table to update rows in another table, and I can't figure out if I need to do a nested FOREACH or something else. Here's the example.
I have a table called Health that has a unique child record, key is childID.
I have another table called Concerns that has multiple records for each child. The Concerns table structure has several Boolean fields that need to capture and retain a true value, no matter what the value is in the next record, i.e. once a field is true, it's always true. Then those values need to update the child record in the Health table.
So if the Concerns table has the following records for a child:
ChildID, DentalConcern, VisionConcern, HearingConcern.
1, True, False, False
1, False, True, False
1, False, False, False
The final values I need to update the Health table are:
1, True, True, False.
And of course, my recordset of Concerns has records for many children.
O.K., that's the background. I have Foreach Loop container set up to enumerate through the ADO recordset of the Concerns table. I have recordset variables set up for childID and each of the boolean Concerns fields. My thought was then to do a nested Foreach Loop container on the childID variable, with a Script Task to read in the recordset variables, then collect the True/False values in my readwrite variables I set up to "collect" the values of each record.
I think then I can compare the incoming recordset childID with the readwrite childID variable to see if it's changed, and if it has then I want to do the SQL update to the Health table. I'm stuck trying to figure out where to put my Execute SQL task to update the child record when I'm finished with one child. in the the Script Task. If it's in the nested Foreach, won't it execute the SQL for every record? Same question on the outer Foreach that's looping through the entire ADO recordset.
So should I put the Update sql statement in the Script Task instead of a separate Execute SQL Task?
Or is there a totally different way I need to look at looping through the entire recordset but doing processing on a subset based on the childID value?
Hope that makes sense, and thanks in advance for any help/suggestions.
Chera
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Jul 31, 2007
Hello,
Anyone have any suggestions on creating a query that will randomly select records from a table, but not use those records again. I have some code that does it, but it uses the same fields over again, and also throws in some blank records that I did not specify in the query. I am creating a test engine that has to randomly ask questions.
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Jun 19, 2008
Hi all
I'm new to sql and could do with some help resolving this issue.
My problem is as follows,
I have two tables a BomHeaders table and a BomComponents table which consists of all the components of the boms in the BomHeaders table.
The structure of BOMs means that BOMs reference BOMs within themselves and can potentially go down many levels:
In a simple form it would look like this:
LevelRef: BomA
1component A
1component B
1Bom D
1component C
What i would like to do is potentially create a temporary table which uses the BomReference as a parameter and will loop through the records and bring me back every component from every level
Which would in its simplest form look something like this
LevelRef: BomA
1......component A
1......component B
1......Bom D
2.........Component A
2.........Component C
2.........Bom C
3............Component F
3............Component Z
1......component C
I would like to report against this table on a regular basis for specific BomReferences and although I know some basic SQL this is a little more than at this point in time i'm capable of so any help or advice on the best method of tackling this problem would be greatly appreciated.
also i've created a bit of a diagram just in case my ideas weren't conveyed accurately.
Bill Shankley
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Apr 22, 2015
I have the following query:
BEGIN TRAN
Declare @StartDt date = '2015-03-15'
Declare @EndDt date = DATEADD(M, 1, @StartDt)
declare @Days int = DATEDIFF(d, @StartDt, @EndDt)
declare @TBLSales as table(SaleDate date, Value money)
DECLARE @Today date
declare @TBLSalesCounts as table( StatusDesc varchar(100), Value money)
[Code] ....
I end up with the following result :
How would I alter my while loop to only insert the sum total of each day, instead of creating duplicates for each day.
E.g.
2015-04-22
1150.00
2015-04-21
 785.00
2015-04-20
 750.00
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Aug 22, 2007
Is there a way to insert multiple records into a database table when you're just given "count" of the number of rows you want? I want to do this in ONE insert statment, so I don't want a solution that loops round doing 100 inserts - that would be too inefficient.
For example, suppose I want to create 100 card records starting it card number '1234000012340000'. Something like this ...
declare @card_start dec(16)
set @card_start = '1234000012340000'
declare @card_count int
set @card_count = 100
drop table card_table
create table card_table (
card_number dec(16),
activated char default 'N'
)
insert into card_table
select
... ???? ....
But WITHOUT using a while-loop (or any other kind of loop). I'm looking for fast and efficient code! Thanks.
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Jul 17, 2015
I have the following attributes in this Table A.
1) Location_ID (int)
2) Serial_Number (nvarchar(Max))
3) KeyID (nvarchar(max)
4) Reference_Address (nvarchar(max)
5) SourceTime (datetime)
6) SourceValue (nvarchar)
I am trying to create 1000000 dummy records in this this table A.How do i go about do it? I would like my data to be something like this
LOCATION_ID
1
Serial Number
SN-01
KeyID
E1210
Reference_Address
83
SourceTime
2015-05-21 00:00:00 000
SourceValue
6200
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May 28, 2010
difference between FOR LOOP and FOREACH LOOP with example(if possible) in SSIS.
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Feb 22, 2006
I have a table with RowID(identity). I need to loop though the table using RowID(not using a cursor). Please help me.
Thanks
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Mar 3, 2006
I have a foreach loop that is supposed to loop through a recordset, however it doesn't loop. It just repeats the same row, row after row.
I would like to look into the recordset variable but I can't because it is a COM object and the ADODB namespace is not available in the script task.
Any solution to this? anyone experienced anything similar
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Jul 8, 2006
I have a table called Tbltimes in an access database that consists of the following fields:
empnum, empname, Tin, Tout, Thrs
what I would like to do is populate a grid view the a select statement that does the following.
display each empname and empnum in a gridview returning only unique values. this part is easy enough. in addition to these values i would also like to count up all the Thrs for each empname and display that sum in the gridview as well. Below is a little better picture of what I€™m trying to accomplish.
Tbltimes
|empnum | empname | Tin | Tout | Thrs |
| 1 | john | 2:00PM | 3:00PM |1hr |
| 1 | john | 2:00PM | 3:00PM | 1hr |
| 2 | joe | 1:00PM | 6:00PM | 5hr |
GridView1
| 1 | John | 2hrs |
| 2 | Joe | 5hrs |
im using VWD 2005 for this project and im at a loss as to how to accomplish these results. if someone could just point me in the right direction i could find some material and do the reading.
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Mar 20, 2014
writing the query for the following, I need to collapse the continuity. If the termdate for an ID is one day less than the effdate of the next id (for the same ID) i need to collapse the records. See below example .....how should i write the query which will give me the desired output. i.e., get min(effdate) and max(termdate) if termdate is one day less than the effdate of next record.
ID effdate termdate
556868 1999-01-01 1999-06-30
556868 1999-07-01 1999-10-31
556869 2002-10-01 2004-01-31
556872 1999-02-01 2000-08-31
556872 2000-11-01 2004-01-31
556872 2004-02-01 2004-02-29
output should be ......
ID effdate termdate
556868 1999-01-01 1999-10-31
556869 2002-10-01 2004-01-31
556872 1999-02-01 2000-08-31
556872 2000-11-01 2004-02-29
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Feb 23, 2006
I have source and destination table names in the database(one table) and I need to read the source and destination tables one by one...
My Lookp table is like the following...
Srn srctable desttable
1 SRC1 DEST1
2 SRC2 DEST2
3 SRC3 DEST3
Now I want one package to load from source to destination.. how do I do it.. I dont know how to use....
How do I run the pacakge for each of the rows... ..............................
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Mar 18, 2014
I have a situation where deleting old records is blocking updating latest records on highly transactional table and getting timeout errors from application.
In details, I have one table called Tran_table1 in OLTP database. This Tran_table1 is highly transactional table, it will receive data for insert/update continuously
While archiving 2 years old records from Tran_table1 into Tran_table1_archive in batches(using DELETE OUTPUT INTO clause), if there is any UPDATEs on Tran_table1,these updates are getting blocked and result is timeout errors in application.
Is there any SQL Server hints to avoid blocking ..
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Sep 7, 2015
declare @table table (
ParentID INT,
ChildID INT,
Value float
)
INSERT INTO @table
SELECT 1,1,1.2
[code]....
This case ParentID - Child 1 ,1 & 2,2 and 3,3 records are called as parent where as null , 1 is child whoose parent is 1 similarly null,2 records are child whoose parent is 2 , .....
Now my requirement is to display parent records with value ascending and display next child records to the corresponding parent and parent records are sorted ascending
--Final output should be
PatentID ChildID VALUE
33 1.12
null3 56.7
null3 43.6
11 1.2
null1 4.8
null1 4.6
22 1.8
null1 1.4
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Aug 6, 2007
HI,
I have been trying to solve the locking problem from past couple of days. Please help mee!!
Scenario:
--------------
I have a SSIS package in which 2 data flow tasks. 1st data flow task deletes records from a 5 tables and the 2nd data flow task should insert records into 1 of the five tables after the success of 1st data flow task. This scenario runs in Transacation.
The above scenrio in the 2nd data flow task hangs in runtime. It does not complete. with sp_who2 command i could see that there is an intent share lock(LK_M_IS) on the table and the status is SUSPENDED.
I dont know how to come out of this locking. Please help.
Thanks ,
Sunil
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Nov 2, 2006
Hello
Im searching for a solution to set all matrix row or cell the same height.
it schoud looks like this example:
This is a simple matrix
test a
text b
text c
text d
text e
text f
text g
This is a matrix with all the same row-height.
test a
text b
.
text c
.
.
text d
text e
text f
text g
.
.
Thx you a lot
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Dec 3, 2014
I have a table with about half a million records, each representing a patient in my county.
Each record has a field (RRank) which basically sorts the patients as to how "unwell" they are according to a previously-applied algorithm. The most unwell patient has an RRank of 1, the next-most unwell has RRank=2 etc.
I have just deleted several hundred records (which relate to patients now deceased) from the table, thereby leaving gaps in the RRank sequence. I want to renumber the remaining recs to get rid of the gaps.
I can see what I want to accomplish by using ROW_NUMBER, thus:
SELECT ROW_NUMBER() Over (ORDER BY RRank) as RecNumber, RRank
FROM RPL
ORDER BY RRank
I see the numbers in the RecNumber column falling behind the RRank as I scan down the results
My question is: How to convert this into an UPDATE statement? I had hoped that I could do something like:
UPDATE RISC_PatientList_TEMP
SET RRank = ROW_NUMBER() Over (ORDER BY RRank);
but the system informs that window functions will only work on SELECT (which UPDATE isn't) or ORDER BY (which I can't legally add).
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Jul 23, 2005
I need a little help here..I want to transfer ONLY new records AND update any modified recordsfrom Oracle into SQL Server using DTS. How should I go about it?a) how do I use global variable to get max date.Where and what DTS task should I use to complete the job? Data DrivenQuery? Transform data task? How ? can u give me samples. Perhaps youcan email me the Demo Package as well.b) so far, what I did was,- I have datemodified field in my Oracle table so that I can comparewith datelastrun of my DTS package to get new records- records in Oracle having datemodified >Max(datelastrun), and transferto SQL Server table.Now, I am stuck as to where should I proceed - how can I transfer theserecords?Hope u can give me some lights. Thank you in advance.
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Jan 18, 2008
I have a query similar to the following. The intent of this query is to retrieve the top 6 records meeting the specified criteria (LOGTYPENAME = 'Process Status Start' OR LOGTYPENAME = 'Process Status End' ) based on most recent dates. Please keep in mind that I expect to return up to 6 records for each unique LogProcessName. This could be thousands of different LogProcessNames with up to 6 records for each.
1) The table I am executing against currently is very large in size and thus takes a long time to execute against. It would seem there must be a more efficient query to get the results I am looking for?
2) CTE doesn't work on SQL 2000. I need a query that does.
3) I cannot modify the database itself in the process.
;WITH cte AS (
SELECT [LogProcessName], [LogBody], [LogDate], [LogGUID], row_number()
OVER(PARTITION BY [LogProcessName]
ORDER BY [LogDate] DESC)
AS RN
FROM [LOGTABLE]
WHERE [LogTypeGUID] IN (
SELECT LogTypeGUID
FROM LOGTYPE
WHERE LogTypeName = 'Process Status Start'
OR LogTypeName = 'Process Status End' ) )
SELECT *
FROM cte
WHERE RN = 1 OR RN = 2 OR RN = 3 OR RN = 4 OR RN = 5 OR RN = 6
ORDER BY [LogProcessName] DESC, [LogDate] DESC
Does anybody else have any idea that would yield the results that I am looking for and take into account items 1-3 above?
Thanks in advance.
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Nov 28, 2005
I tried to port 10000 records using DTS. After porting of 9900 records I got an error and comes out without any result. But I want to keep the records which has been ported till the error occured. Plz help me.
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Oct 31, 2007
Hi, I have had this problem for a while and have not been able solve it.
What im looking at doing is looping thru my patient table and trying to organise the patients in to there admission sequence, so when patient "A" comes in and is treated at my hospital and is discharged and admitted to another Hospital within one day then patient "A" will get a code of 1 being there first admission.
then if patient "A" is admitted again but there admission date is greater than one day they get a code of 2 being for there second admission but will need to loop thru table looking for other admissions and discharges.
The table name is Adm_disc_Match_tbl
Basically what i have 4 fields.
Index_key = which is the patient common link (text)
ur_episode = this wil change for each Hospital (text)
Admission_datetime = patient admission date and time (datetime)
Discharge_datetime = patient discharge date and time (datetime)
example of data
Code: ( text )
Index_key,ur_episode,Admission_datetime,discharge_ datetime
HERBERT-7/1929,513884-1686900,4/07/2006 10:58,17/07/2006 13:37
HERBERT-7/1929,C023092-1698859,17/07/2006 13:20,24/07/2006 0:30
ELSIE-5/1916,G148445-1720874,8/08/2006 11:00,30/08/2006 10:00
STANISLAWA-3/1918 ,G119981-1720045,8/08/2006 13:01,22/08/2006 12:13
FREDA-11/1925,183772-1998910,27/03/2007 9:53,3/04/2007 11:06
FREDA-11/1925,G147858-2007408,3/04/2007 10:49,26/04/2007 12:39
FREDA-11/1925,183772-2037727,28/04/2007 17:05,9/05/2007 11:41
FREDA-11/1925,G147858-2052082,9/05/2007 12:00,25/05/2007 11:17
If anyone could help it would be much appreciated.
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Aug 17, 2007
Hi,
I have to search the records after the records populated.
I mean to say, i have displayed records in report, if i enter some strings in the textbox and clicked find, then it will highlight the particular records, instead of highlighting the values, is it possible to display only those particular records.
For example, say i have 50 records in a page,i entered some strings in the textbox and clicked find, then it will highlight the particular 5 records one by one which match the criteria i have entered in the texbox, instead of that i have to display only those 5 records.
Please tell me how to implement in this report,
Thanks and Regards
Altaf Nizamuddin
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Sep 13, 2006
Ok, I'm really new at this, but I am looking for a way to automatically insert new records into tables. I have one primary table with a primary key id that is automatically generated on insert and 3 other tables that have foreign keys pointing to the primary key. Is there a way to automatically create new records in the foreign tables that will have the new id? Would this be a job for a trigger, stored procedure? I admit I haven't studied up on those yet--I am learning things as I need them. Thanks.
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Aug 11, 2015
Table1 contains fields Groupid, UserName,Category, Dimension
Table2 contains fields Group, Name,Category, Dimension (Group and Name are not in Table1)
So basically I need to read the records in Table1 using Groupid and each time there is a Groupid then select records from Table2 where Table2.Category in (Select Catergory from Table1)
and Table2.Dimension in (Select Dimension from Table1)
In Table1 There might be 10 Groupid records all of which are different.
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Oct 21, 2015
I am trying to write a query that will retrieve all students of a particular class and also any rows in HomeworkLogLine if they exist (but return null if there is no row). I thought this should be a relatively simple LEFT join but I've tried every possible combination of joins but it's not working.
SELECT
Student.StudentSurname + ', ' + Student.StudentForename AS Fullname,
HomeworkLogLine.HomeworkLogLineTimestamp,
HomeworkLog.HomeworkLogDescription,
ROW_NUMBER() OVER (PARTITION BY HomeworkLogLine.HomeworkLogLineStudentID ORDER BY
[Code] ...
It's only returning two rows (the students where they have a row in the HomeworkLogLine table).Â
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Aug 20, 2007
I used to loop through recordsets with ease in old classic .asp pages.
Please Help me understand how Professionals now loop through and update tables using JUST SQL Query Analyzer using my pseudo-code provided below.
I would love to learn how to do it to better develop my skills.
SELECT * FROM zz_2007_Booth_Visitors
WHERE COALESCE ([Product Interest - Other Actuator],
[Product Interest - Chillers],
[Product Interest - Other Chiller],
[Product Interest - Electronic Products],
[Product Interest - Other network interfaces],
[Product Interest - Fittings],
[Product Interest - High Vacuum],
[Product Interest - Other high vacuum actuators],
[Product Interest - Pick& Place and Transfer],
[Product Interest - Teflon Products],
[Product Interest - Training],
[Product Interest - Valves& Manifolds],
[Product Interest - Actuators]) Is Not Null
Order BY [Contact Name]
IF [Product Interest - Actuators] IS NOT NULL THEN
UPDATE Booth_Visitors_Data Set Act_Phuematic = 1 Where [Contact Name] = [Contact Name]
IF [Product Interest - Other Actuator] IS NOT NULL THEN
UPDATE Booth_Visitors_Data Set Act_Electric = 1 Where [Contact Name] = [Contact Name]
IF [Product Interest - Other Chillers] IS NOT NULL THEN
UPDATE Booth_Visitors_Data Set Chiller = 1 Where [Contact Name] = [Contact Name]
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Jan 12, 2008
Dear All.
Have a nice day.
I have db table, I need to update all fields of table.
Please can you write code," for loop " how can update all fields of my table by loop.
Thanks.
Zahyea.
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