DB Design :: Maximum Number Of Columns
Jun 3, 2015
I am adding a table within my vb.net program using New datatable(tblname) function, then adding 22 columns (col01 to col22) to this table using .columns.add (colname) function without any error.The program however throws an exception when trying to assign a value to column number 14 (col14) saying this column does not belong to table tblname. Assigning a value from col01 to col13 is working fine.Is there a limitation on number of columns can be added to a table using code?
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Jun 20, 2007
I am upgrading from Access, where you can only have 10 fields in a primary key or unique index. Is this also the limit in SQL Server? If not, what is the limit?
Thanks for any help on this.
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Apr 29, 2008
I'm using 2 OLE DB Commands; 1 to perform an insert the other an update. I have found that on the column mapping tab, I only have 10 parameters available to map to. The issue is I need 40 parameters. Am I doing something wrong? Is there a setting I am missing? Is there another way to do this? Am I out of luck .
Here is the sql query I am using, so you can see that I have the correct number of parameters listed:
Insert into Reqs_Data (G_COLLECTDATE, PROGRAM, PRODUCT_ID, TOTAL, ADDED, CHANGED, DELETED, NOT_ALLOCATED, NEWREQS, MODIFIED, LEGACY, UNCATEGORIZED, NOT_TRACED_DOWN, NOT_TRACED_UP, PASSED, PARTIALLY_PASSED, WAIVED, FAILED, NOT_VERIFIED, PLANNED_ADDED, RQTS_TOTAL_TBD_COUNT, RQTS_TOTAL_MODS_IN_MONTH, BUILD_ID, RTM_PRODUCT_ID, TRACED_UP, TRACED_DOWN, ALLOCATED, LASTMONTHTOTAL, CALC_ADD, CALC_DELETE, IS_TRACED_DOWN, IS_TRACED_UP, LEVEL3, LEVEL2, LEVEL1, LEVEL0, IPT1, IPT2, IPT3, IPT4 ) Values(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
Update Reqs_Data SET TOTAL = ?, ADDED = ?, CHANGED = ?, DELETED = ?, NOT_ALLOCATED = ?, NEWREQS = ?, MODIFIED = ?, LEGACY = ?, UNCATEGORIZED = ?, NOT_TRACED_DOWN = ?, NOT_TRACED_UP = ?, PASSED = ?, PARTIALLY_PASSED = ?, WAIVED = ?, FAILED = ?, NOT_VERIFIED = ?, PLANNED_ADDED = ?, RQTS_TOTAL_TBD_COUNT = ?, RQTS_TOTAL_MODS_IN_MONTH = ?, BUILD_ID = ?, RTM_PRODUCT_ID = ?, TRACED_UP = ?, TRACED_DOWN = ?, ALLOCATED = ?, LASTMONTHTOTAL = ?, CALC_ADD = ?, CALC_DELETE = ?, IS_TRACED_DOWN = ?, IS_TRACED_UP = ?, LEVEL3 = ?, LEVEL2 = ?, LEVEL1 = ?, LEVEL0 = ?, IPT1 = ?, IPT2 = ?, IPT3 = ?, IPT4 = ?
WHERE G_Collectdate = ? AND Program = ? AND PRODUCT_ID = ?
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Mar 12, 2008
What is the maximum number of columns you can have in a sql server express 2005 table?
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Jan 24, 2008
Hi
I have a table (Sql server 2000) which has 14 cost columns for each record, and now due to a new requirement, I have 2 taxes which needs to be applied on two more fields called Share1 and share 2
e.g
Sales tax = 10%
Use Tax = 10%
Share1 = 60%
Share2 = 40%
So Sales tax Amt (A) = Cost1 * Share1 * Sales Tax
So Use tax Amt (B) = cost1 * share2 * Use tax
same calculation for all the costs and then total cost with Sales tax = Cost 1 + A , Cost 2 + A and so on..
and total cost with Use tax = Cost1 +B, Cost 2 +B etc.
So there are around 14 new fields required to save Sales Tax amt for each cost, another 14 new fields to store Cost with Sales Tax, Cost with Use tax. So that increases the table size.
Some of these fields might be used for making reports.
I was wondering which is a better approach out of the below 3:
1) To calculate these fields dynamically while displaying them on the User interface and not save in DB (while making reports, again calculate these fields dynamically and show), or
2) Add new formula field columns in database table to save each field, which would make the table size bigger, but reporting becomes easier.
3) Add only those columns in database on which reports needs to be made, calculate rest of the fields dynamically on screen.
Your help is greatly appreciated.
Thanks
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Jan 24, 2008
Hi
I have a table (Sql server 2000) which has 14 cost columns for each record, and now due to a new requirement, I have 2 taxes which needs to be applied on two more fields called Share1 and share 2
e.g
Sales tax = 10%
Use Tax = 10%
Share1 = 60%
Share2 = 40%
So Sales tax Amt (A) = Cost1 * Share1 * Sales Tax
So Use tax Amt (B) = cost1 * share2 * Use tax
same calculation for all the costs and then total cost with Sales tax = Cost 1 + A , Cost 2 + A and so on..
and total cost with Use tax = Cost1 +B, Cost 2 +B etc.
So there are around 14 new fields required to save Sales Tax amt for each cost, another 14 new fields to store Cost with Sales Tax, Cost with Use tax. So that increases the table size.
Some of these fields might be used for making reports.
I was wondering which is a better approach out of the below 4:
1) To calculate these fields dynamically while displaying them on the User interface and not save in DB (while making reports, again calculate these fields dynamically and show), or
2) Add new formula field columns in database table to save each field, which would make the table size bigger, but reporting becomes easier.
3) Add only those columns in database on which reports needs to be made, calculate rest of the fields dynamically on screen.
4) Create a view just for reports, and calculate values dynamically in UI and not adding any computed values in table.
Your help is greatly appreciated.
Thanks
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Oct 10, 2005
SQL Server 2000 8.00.760 (SP3)I've been working on a test system and the following UDF worked fine.It runs in the "current" database, and references another database onthe same server called 127-SuperQuote.CREATE FUNCTION fnGetFormattedAddress(@WorkID int)RETURNS varchar(130)ASBEGINDECLARE@Address1 As varchar(50)@ReturnAddress As varchar(130)SELECT@Address1 = [127-SuperQuote].dbo.tblCompany.Address1FROM[Work] INNER JOIN[127-SuperQuote].dbo.tblCompany ON [Work].ClientID =[127-SuperQuote].dbo.tblCompany.CompanyIDWHERE[Work].WorkID = @WorkIDIF @Address1 IS NOT NULLSET @ReturnAddress = @ReturnAddress + @Address1 + CHAR(13)+ CHAR(10)RETURN @ReturnAddressENDSo now the system has gone live and it turns out that the live"SuperQuote" database is on a different server.I've linked the server and changed the function as below, but I get anerror both in QA and when checking Syntax in the UDF builder:The number name 'Zen.SuperQuote.dbo.tblCompany' contains more than themaximum number of prefixes. The maximum is 3.CREATE FUNCTION fnGetFormattedAddress(@WorkID int)RETURNS varchar(130)ASBEGINDECLARE@Address1 As varchar(50)@ReturnAddress As varchar(130)SELECT@Address1 = Zen.SuperQuote.dbo.tblCompany.Address1FROM[Work] INNER JOINZen.SuperQuote.dbo.tblCompany ON [Work].ClientID =Zen.SuperQuote.dbo.tblCompany.CompanyIDWHERE[Work].WorkID = @WorkIDIF @Address1 IS NOT NULLSET @ReturnAddress = @ReturnAddress + @Address1 + CHAR(13)+ CHAR(10)RETURN @ReturnAddressENDHow can I get round this? By the way, I've rather simplified thefunction to ease readability. Also, I haven't posted any DDL because Idon't think that's the problem!ThanksEdward
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Oct 15, 2007
I have created a local user on Report Server Computer and the user has the administrative rights.
When i try to connect Report Server (http://xxx.xxx.xxx.xxx/reportserver) with this user's credantials. (ReportServer directory security is set -only- to Basic Authentication. ).
I get the following error.
Reporting Services Error
--------------------------------------------------------------------------------
The number of requests for "XXXServerXXXUser" has exceeded the maximum number allowed for a single user.
--------------------------------------------------------------------------------
SQL Server Reporting Services
Then i try to login using a different user with administrative rights on the machine, i can logon successfully.
The system is up for a month but this problem occured today?!? What could be the problem?!?
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Jun 4, 2015
Having successfully created :
- a data mining structure with about 80 columns.
- a data mining model using Microsoft_Decision_Trees with 2 prediction columns.
I thought I would then explore the possibility of have more than 2 prediction columns, in this case 20.
I get an error message and I can't work out :
a) if this is because there's a limit to the maximum number of prediction columns and where that maximum is stated.
b) if something else has become corrupted
c) there's a know bug and if the error message is either meaningful or not.
Either way, I'm unable to complete the data mining wizard
The error message is :Errors in the metadata manager. Either the mining structure with the ID of '[my model Structure]' does not exist in the database with the ID of 'DMAddinsDB', or the user does not have permissions to access the object.
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Nov 26, 2006
Hello people,I might sound a little bit crazy, but is there any possibility that youcan incorporate 4^15 (1,073,741,824) tables into a SQL Database?I mean, is it possible at all? There might be a question of whereanyone would want so many tables, but i'm a bioinformatics guy and I'mtrying to deal with genomic sequences and was coming up with a newalgorithm, where the only limit is the number of tables I can put intoa Database.So, can you please advise if its possible to put in so many tables intoa SQL database? Or is the Bekerley DB better?
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Aug 10, 2000
Hi.
How many separate databases can one SQL Server (7.0) manage?
Thanks in advance
Dan
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Aug 1, 2001
if SQL SERVER 2000 only allow 8060 bytes per row, then how can it store images or CLOB data? Is there a way that would let us change the maximum number of bytes per row? Any help would be greatly appreciated. Thanks.
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Jul 18, 2007
Hello everyone -
Running SQL Server 2000
What is the maximum number of databases that can be had in a single MS SQL installation??
thanks
tony
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Nov 26, 2006
Hello people,
I might sound a little bit crazy, but is there any possibility that you can incorporate 1,073,741,824 tables into a SQL Database?
I mean, is it possible at all? There might be a question of where anyone would want so many tables, but i'm a bioinformatics guy and I'm trying to deal with genomic sequences and was coming up with a new algorithm, where the only limit is the number of tables I can put into a Database.
So, can you please advise if its possible to put in so many tables into a SQL database? Or is the Bekerley DB better?
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Apr 7, 2006
Hi,
Could somebody tell what is the maximum number of concurrent connections that are supported in sql server 2005 developer edition?
thanks
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Mar 12, 2001
Hi,
I am reading SQL Server 2000 Black book (Coriolis publisher) and Microsoft SQL Server 2000 Optimization guide (Jenney Lynne Fields PH publisher).
In the Black book page 56, it says :"..up to a total of 16 instances.
In the optimization guide page 144, it says :"There is no theoretical limit to the number of instances of SQL server you can run simultaneously..."
Who the hell is right??????
Alain Gagne
Lead DBA
gagnea@msagroup.com
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Jul 30, 1998
Hi all,
I take error 610 "Maximum number of databases that may be accessed by a
transaction is 8. This number has been exceeded by this query" when I
execute a SELECT query.
In this query there are about 12 sub-query.
How can I fix the problem?
Thanks in advance.
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Oct 1, 2005
Hi,
Can somebody let me know how many (maxi) no of users can be created to deal with MSDERelA ?
With kind regards,
Ashfaque
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Feb 19, 2012
My db contains two table Employee_detail and Student_Detail.Employee_detail has Emp_id and Student_Detail has stud_id.Now my problem is that i want to get one maximum no from these two table.
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Sep 6, 2005
Is there an upper limit on the number of Conversation Timers?
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Oct 28, 2007
I need a small SQL server for up to 10 users. If I understand the EULAs and FAQs correctly, there is no limit on the number of users imposed by the SQL Server 2005 Express license. If so, then the number of users is only limited by the OS's license so all I need is SQL Server 2005 Express (free), Windows XP Pro (10 users limit) and no CALs for either Windows or SQL Server.
I'd be thankful if someone could verify this.
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May 28, 2007
I am trying to setup transactional replication between Server A and Server B. There are 265 databases on each server.
I am running SQL Server 2005 on Windows Server 2003. The problem comes in at the 201st database. The message in the SQL Server Agent Error Log is :
Warning,[398] The job (WSSWPG09-EmpirePaint-WSSWPG06-104) has been queued because the maximum number of working threads (400) are already running. This job will be executed as soon as one of the working thread finishes execution.
SQL Server's max worker threads is set to 0. The Distribution, LogReader and T-SQL subsystems have been increased to 200 max_worker_threads.
Is there some other setting (maybe a Windows Registry setting) that can be configured to fix this? Or have I just hit a physical maximum of the processor?
Any help is much appreciated.
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Aug 21, 2006
Good day to all
SQL Server 2000.
I have a problem with a piece of code, which updates some tables using transaction. This process brings the program to a halt when updating large files.
With smaller files, the process finishes without problems.
I have noticed that, if a comment out the "begin transaction" and respective "commit", the same code executes without problems, even when updating large files.
I suspect that there is a limit on the number of records a transaction can hold before a commit is issued. I am surprised however, that SQL Server halts, without messages or warnings.
Is this a configuration issue? If there is a limit on the number of records a transaction can hold, what is this limit:? Anything I can do to have a warning form SQL Server when a situation like this is reached (or indeed to avoid this situation) ?
Thank you in advance for any help
Cecil Ricardo
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Nov 1, 2007
My team at work has spent the past week troubleshooting performance issues experienced by users of our asp.net 2.x web application. We've got a probe running on one of the web servers that has identified a frequently occuring error that no one has seen before and I can't find anywhere online. MSSQL error "system.data.oledb.oledbcommand.executenonquery(Maximum number of unique SQL exceeded) Has anyone here ever seen this error before?The web server, application, SQL servers and databases all seem to be configured properly, but users are experiencing latency and this frequently occurring error is a mystery to us.
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Jul 27, 2001
Hi,
Environment:
I have a Sqlserver 6.5 production server used for web based applications
Compaq 5500 4 GIG RAM, 4 processor
Sql Memory config on that server is 1048576 (which is 2048 MB)
and the run value is 640000 (which is 1250 MB).
runvalue for user connections was 500
We have only 90 user connections may increase upto 100 depends on the connections. We don't have any overload on that server.
Error: I was seeing
"unable to connect maximum no. of 500 configured user connections are already connected" in the error log.
Action Taken:
I increased the user connections to 600
and rebooted the server. Immediately the same error I can see in the error log. But we have only 20 user connections at that time. I can able to connect.
Please advise me to get rid of this error.
Thanks,
Anu.
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Apr 18, 2000
Is there any way of configuring this parameter?
A work around?
Or have I reached the limits of scalablilty on this issue?
Please assist me
Thanks
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Mar 22, 2006
In MS Sql Server 2000, if you run a stored procedure that query's morethan 8 databases, you get this error gets raised:Maximum number of databases used for each query has been exceeded. Themaximum allowed is 8.In 2005, does this maximum number still exist? if so, is it still 8, orhas the number been increased?Thanks,Mike
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Jul 20, 2005
I have a situation with a 6 server setup whereby merge agentswill not run if other merge agents are alreay running. Basicallywe have a 5 laptop, one tower config with the tower being thepublisher. In theory we want to be able to hook a laptop upand have it sync within, say, 5 mins. Trouble is, if agents forthe other laptops are running (trying and failing to connect becausethose laptops aren't connected) then the agents for the laptop that*is* connected won't run. It seems to be a 'maximum number of runningagents' issue. Is this is user defined setting, and if so where can I set it?Many thanks, sorry if this has been answered many many times before.Jim--Find me at http://www.ursaMinorBeta.co.uk"Brace yourself, this might make your eyes water."
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Jan 23, 2008
Hello, I received an error while attempting to create a table similar to the following...
CREATE TABLE ExampleTable (
[FIELD_0] [int] IDENTITY(1,1) NOT NULL,
[FIELD_1] [nvarchar](255) NULL,
[FIELD_2] [nvarchar](255) NULL,
[FIELD_3] [nvarchar](255) NULL,
[FIELD_4] [datetime] NULL,
[FIELD_5] [nvarchar](255) NULL,
[FIELD_6] [nvarchar](255) NULL,
[FIELD_7] [nvarchar](255) NULL,
[FIELD_8] [nvarchar](255) NULL,
[FIELD_9] [nvarchar](255) NULL,
[FIELD_10] [nvarchar](255) NULL,
[FIELD_11] [nvarchar](255) NULL,
[FIELD_12] [nvarchar](255) NULL,
[FIELD_13] [nvarchar](255) NULL,
[FIELD_14] [nvarchar](255) NULL,
[FIELD_15] [nvarchar](255) NULL,
[FIELD_16] [nvarchar](255) NULL,
[FIELD_17] [nvarchar](255) NULL,
[FIELD_18] [nvarchar](255) NULL,
[FIELD_19] [nvarchar](255) NULL,
[FIELD_20] [nvarchar](255) NULL,
[FIELD_21] [nvarchar](255) NULL,
[FIELD_22] [nvarchar](255) NULL,
[FIELD_23] [nvarchar](255) NULL,
[FIELD_24] [nvarchar](255) NULL,
[FIELD_25] [nvarchar](255) NULL,
[FIELD_26] [nvarchar](255) NULL,
[FIELD_27] [nvarchar](255) NULL
)
First of all, field names have been changed to protect the innocent. Second, I did *not* create this table...I'm troubleshooting issues with a previously created table. I've no idea why almost every field needs to be an NVARCHAR data type of that size. Finally, as you can probably guess, I'm getting this error on a SQL Server 2000 database. (Yeah, it's past time we upgraded to SQL Server 2005 at least...explain that to management, please. I suggest you speak slowly and use small words.)
Anyhow, the error is "Warning: The table 'ExampleTable' has been created but its maximum row size (13348) exceeds the maximum number of bytes per row (8060). INSERT or UPDATE of a row in this table will fail if the resulting row length exceeds 8060 bytes."
Am I misunderstanding how the row size is calculated? How is SQL Server getting 13,348 bytes from the above statement?
Any and all constructive suggestions/ideas are much appreciated! Thanks!
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May 5, 2008
hi,
is there a limit for number of Subscriptions per report? per folder? per RS 2005 service?
thanks
rafi
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Oct 20, 2015
I need to update many rows in some table. I've made such SQL query:
UPDATE [%TableName%]
SET [%FieldName%] = CASE
WHEN ID = 1 THEN '1'
WHEN ID =2 THEN '2'
....
END;
[%FieldName2%] = CASE
WHEN ID = 1 THEN '1'
WHEN ID = 2 THEN '2'
....
END;
WHERE ID IN {1, 2, ...}
Are there some limitations for CASE operator? How many "when - then" conditions can I include in query?
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Sep 21, 2006
Hi:
Is there a limit on the number of subscribers for Transactional replication?. My question is how many maximum number of subscribers can we have in transactional replication?. How do I retrieve this information throug T-SQL (any DMVs or system tables?). Please let me know.
I am looking to know for both SQL 2005 as well as SQL 2000 and also if anyone can tell me if anything has changed in SQL 2005 for transactional replication that would be great.
Can anyone please let me know?.
Thank you
AK
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Feb 27, 2003
Can any one help me, i'm building a dynamic database driven site using dreamweaver and MS SQL2000 andi'm haveing problem storing over 8000 characters in a table filed (IE: it wont let me!!) is there a special table field value that i need to set to get more characters in a table field or is this a limitation of SQL.
Any help or suggestions would be appreciated
Regards
B
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