Transact SQL :: Unable To Change Column Order Of Existing Table In Server

Jul 23, 2015

In y sql server table has millions of records available. I don't want to drop the tables.

My requirement is I want to change the column order of an existing table. some tables I am able to saving on design window Like Below image.

Even I had generate a script and using that script trying to execute on Management Studio but unable to saving the new column orders. I am getting the Timeout expired error after couple of minutes. How can we save the orders without dropping the table !

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Transact SQL :: Existing Table Change To Support Multiple Rows?

Nov 4, 2015

Existing table structure is below:

Table name: Student

Columns in Student are below:


Combination of Student_Id, Subject_Id and Quarter columns is the primary key. One student can take one subject in a quarter. Now the new requirement is a student can take multiple subjects in a quarter. So need to add another table like below:

NEW table name: Student_Subject and
column are below:

All the above three columns combination is primary key.

After the new table Student_Subject created,
remove Subject_Id column
from Student table.

When the user clicks on a button after selecting multiple subjects and provide col1 and col2 data then one row gets inserted into Student table and multiple rows gets inserted into Student_Subject table.

Is there any other table design that satisfies one student can take multiple subjects in a quarter?

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Adding An Auto-increment Column To Existing Table With A Particular Order

Oct 19, 2005

Hello all,I'm using SS2K on W2k.I'v got a table say, humm, "Orders" with two fields in the PK:OrderDate and CustomerID. I would like to add an "ID" column whichwould be auto-increment (and would be the new PK). But, I would reallylike to have orders with the oldest OrderDate having the smallest IDnumber and, for a same OrderDate, I'd to have the smallest CustomerIDfirst. So my question is:How could I add an auto-increment column to a table and make it createits values in a particular order (sort by OrderDate then CustomerIDhere)?In the real situation, the table I want to modify has around 500krecords and the PK has 5 fields and I want to sort on three of them.Thanks for you helpYannick

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Nov 20, 2013

I have created a table as below mentioned. Then I want to alter the ID column as identity(1,1) without dropping the table as well as losing the data.

create table dbo.IdentityTest
id int not null,
descript varchar(255) null,
T_date datetime not null

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Mass Table Structure Change For Column Order

Feb 26, 2008

Say you have an existing populated SQL 2005 database, with 700+ tables, and you want to just change the order of the columns inside every table. Short of manually building conversion scripts, anyone know an automated way to do this? I was thinking thru ways to do them all in one shot, and have tools like Erwin and DbGhost that could be used also. Basically moving some standard audit columns from the end of the tables to just after the PK columns.

Thanks, Bruce

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Transact SQL :: Convert Or Change All Existing Traces To Extended Events In Server 2012

May 27, 2015

We are planning to convert or change all existing Traces to Extended Events in SQL server 2012. What is the procedure to convert custom traces. We have already created some below custom traces: like this we are planning to convert for all servers.

exec sp_trace_setevent @TraceID, 20, 23, @on
exec sp_trace_setevent @TraceID, 20, 8, @on
exec sp_trace_setevent @TraceID, 20, 12, @on
exec sp_trace_setevent @TraceID, 20, 64, @on
exec sp_trace_setevent @TraceID, 20, 1, @on
exec sp_trace_setevent @TraceID, 20, 21, @on


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Transact SQL :: Order By A Column From Another Table

Sep 2, 2015

I have two tables, one is called (questions), the second one (answers).

questions columns are (ID,questionTitle)

answers columns are (ID,questionID,answer, answerDate)

I use this query to load data: "SELECT q.questionTitle,COUNT (a.ID),a.answerDate FROM questions q LEFT JOIN answers a ON q.ID=a.questionID" the query is easy, but my problem which I can't solve is how can I fetch the data ordered by the column answerDate, I mean I want the first record to be the one which has the most recent answer and so on.

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Transact SQL :: Find Unmatching Columns Between Two Tables While Applying A Change Column Prefix Table

Nov 16, 2015

For our ETL process, we maintain a TransformationList table that has the source view and the destination table. Data is copied from the view into the table (INSERT INTO). I am trying to find column names in the Views that are not column names in the associated Table.

In the below example, want to end up with three records:

 1, View1, Column4
 2, View2, Column4
 2, View2, Column5

I have it almost working, except that there is a table, ChangeColPrefix table, that is used by the ETL process to change some of the view's column name prefixes. Some of the source views have column names with prefixes that do not match the destination table column names. Say view SouthBase has all the column names prefixed with SB - like SBAcct, SBName. And the Destination table of Area District has ADAcct, ADName. There would be a row in the ChangeColPrefix for SouthBase, SB, AD, 1, 2 that would be used by the ETL process to create the INSERT INTO Area District From SouthBase.

I need to use this ChangeColPreifx to find my unmatching columns between my source views and destination tables. With out that table SBAcct and SBName from SouthBase will not appear to match the columns of ADAcct and ADName, but they do match.

I want to end up with these three records as non-matching:

View1, Column4
View2, Column4
View2, Column5

View1 has Salumn2 and View2 has Salumn5, and they must be changed to Column2 and Column5 as per the ChangeColPrefix table before running the Select from INFORMATION_SCHEMA.COLUMNS EXCEPT Select from INFORMATION_SCHEMA.COLUMNS looking for unmatched columns.

/***** Set Up Test Data *****/
-- Create 2 test views
IF EXISTS(SELECT * FROM sys.views WHERE object_id = OBJECT_ID(N'[dbo].[View1]'))
DROP VIEW dbo.[View1]
AS SELECT '1' AS Column1 , '2' AS Salumn2 , '4' AS Column4;

[Code] ....

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Change Increment Value For Existing Identity Column

Jul 20, 2004

How to Change Increment Value for existing Identity Column (MS SQL2000) ?

I know how to change the seed :
DBCC CHECKIDENT (activity, RESEED,4233596)

but I need the future id generated with step 2
I would like to do it using T-sql because I will need to do it every day after syncronising with another SQL server .


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Transact SQL :: Order Change In Parent To Its Child Tables Using FK Relations?

Apr 20, 2015

I have used Aasim Abdullah's (below link) stored procedure for dynamically generate code for deletion of child tables based on parent with certain filter condition. But I am getting a output which is not proper (Query 1). I would like to have output mentioned in Query 2.

Link: [URL]

--[Patient] is the Parent table, [Case] is child table and [ChartInstanceCase] is grand child

--When I am deleting a grand child table, it should be linked to child table first followed by Parent

--- Query 1

DELETE Top(100000) FROM [dbo].[ChartInstanceCase]
FROM [dbo].[Patient] INNER JOIN [dbo].[Case] ON [Patient].[PatientID] = [Case].[PatientID]
INNER JOIN [dbo].[ChartInstanceCase] ON [Case].[CaseID] = [ChartInstanceCase].[CaseId]
WHERE [Patient].PracticeID = '55';

--Query 2

DELETE Top(100000) [dbo].[ChartInstanceCase]
FROM  [dbo].[ChartInstanceCase] INNER JOIN [dbo].[Case] ON [ChartInstanceCase].[CaseId]=[Case].[CaseID] 
[dbo].[Patient] ON [Patient].[PatientID] = [Case].[PatientID]
WHERE [Patient].PracticeID = '55';

how to modify the SP 'dbo.uspCascadeDelete' to get the output as Query 2

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WARNING When Adding A Column On SQL Server Existing Table

Feb 28, 2007

After i run the sql which adds some columns on one particular table.I am getting this Warning

Warning: The table 'usac499_499A' has been created but its maximum row size (9033) 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.

I got a series of the above warning message , but the coulmn wa created.

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Oct 19, 2015

How to add a primary key for existing column in the table

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Apr 14, 2008

I'm using VBE 2008 and in the edit table schema box it doesn't allow reordering the columns. Any solutions?

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Jan 13, 2015

Need to change the datatype of existing column which has huge data.

I'm performing below steps

1. Create new column with correct datatype in the same table
2. copy data into new column
3. drop indexes on column
4. <<<>>>
now the existing column also has many SP dependent and I do not wish to drop them.
5. rename existing column to xxx
6. rename new column to correct column
7. drop old column
8. make required indexes

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SQL Server 2008 :: Adding Column To Existing Replicated Table

Feb 9, 2015

I have a scenario where I need to add a blank column to a table that is a publisher. This table contains over 100 million records. What is the best way to add the column? In the past where I had to make an update, it breaks replication because the update would take forever as jobs are continuously updating the table so replication can't catch up.

If I alter a table and add a column, would this column automatically get picked up in replication?

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Transact SQL :: Splitting Column Value While Keeping Existing Data

Jun 22, 2015

Currently I have a column with multiple postcodes in one value which are split with the “/” character along with the corresponding location data. What I need to do is split these postcode values into separate rows while keeping their corresponding location data.

For example
PostCode            Latitude               Longitude
66000/66100       42.696595            2.899370
20251/20270       42.196471            9.404951

Would become
PostCode            Latitude               Longitude
66000                    42.696595            2.899370
66100                    42.696595            2.899370
20251                    42.196471            9.404951
20270                    42.196471            9.404951

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Sep 17, 2014

I am creating dynamic pivot and my column order is as below

[2015-02],[2015-04] [Prior] ,[2014-08],[2014-11]

but i want to display as below:


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Jul 22, 2015

How to Change Order of Column In Database Tables

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May 21, 2008

I've create a partition function and a partion scheme for my database.
Now I would like to change an existing table to use these partition.
The table is replicated.
How can I do this?


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Transact SQL :: Time Column With Order Wise

Nov 17, 2015

I have a table like below

CREATE table #TempTable (ID integer,CTime time(7),CType Varchar(1))
insert into #TempTable VALUES (1001,'16:50:05.0000000','I')
insert into #TempTable VALUES (1001,'13:27:49.0000000','O')
insert into #TempTable VALUES (1001,'20:44:00.0000000','O')
insert into #TempTable VALUES (1001,'21:12:00.0000000','O')

I need result like below screen shot 

here 'I' stands for In,and 'O' for Out, in this example first In time not available

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Transact SQL :: Inserting Exclusion Table Into Existing Code?

Sep 11, 2015

below is some code I use to identify where a patient has attended the ED department whilst also admitted as an Inpatient. This report works fine. However while most of the results are recording issues to be corrected some of them are real and as so can be excluded from the report.

Is there a way I can build in an exclusion table which would include:
,IP_ADMISSION.Forename AS Forename
,IP_ADMISSION.Surname AS Surname
,IP_ADMISSION.SourceAdmNatCode AS SourceAdm


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Transact SQL :: Rename Existing Table With Date Suffix

Apr 23, 2015

I'm trying to rename a table with date suffix at the end of the table name, and drop the date suffix table which is greater than 7 days. for that I have the below sql, I have not included the drop syntax in this.

I'm not able to rename with the date suffix in the below sql, syntax error at '+'  

@TPartitionDate date
IF EXISTS (SELECT * FROM sysobjects WHERE Name = 'IIS_4')
@TPartitionDate = MAX(PartitionDate)
FROM PartitionLog (NOLOCK)
EXEC sp_rename 'IIS_4','IIS_4_'+ @TPartitionDate

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May 27, 2015

Is there anyway I can change Identity specification on column to yes ? and If I do that it supposed to take data as 1,2,3,4 like that? 

But mine is not changing it's come up all data as 0. Is there any other way to do? 

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Transact SQL :: MERGE Statement Did Not Catch Existing Row In Target Table

Nov 8, 2015

I am new to use MERGE statement. The MERGE cannot find any match Cardnumber in the target table.  It inserts row into an existing row on the target table causing SQL rejected with duplicate key not allowed. The CardNumber is defined as a primary key on the target table with no duplicate allowed. Below snippet stop when MERGE insert a row exists on the target. The source table contains multiple rows with the same Cardnumber because it is a transactional table with multiple redemptions. 

If MERGE cannot handle many (source) to one (target) relationship, what other method that I can change to in order to update the target GiftCard table which keeps track of gift card balance? 

Below is the error message:

Msg 2627, Level 14, State 1, Line 5
Violation of PRIMARY KEY constraint 'PK_GiftCard'. Cannot insert duplicate key in object 'dbo.GiftCard'. The duplicate key value is (63027768).

The statement has been terminated.

DDL of the target table:

 TABLE [dbo].[GiftCard](
[CardNumber] [varchar](50) NOT NULL,
[Year] [int] NULL,
[Month] [int] NULL,
[Period] [int] NULL,
[TransAmount] [decimal](10, 2) NULL,

[Code] ....

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Transact SQL :: Add Random Dates To Existing Table From Defined Range

Jun 15, 2015

I'm trying to add random dates to date column in existing table, but these need to be week days (Mon-Fri).I'm a beginner in TSQL, worked with MS Access many years - in Access I used to do something a bit different:

Table had ID, I gave a date it would start from (31/08/2015) and then range of ID to apply new date:
UPDATE table1 SET table1 .date = DateAdd("d",(Int((5*Rnd([ID]))+1)),#31/08/2015#)
WHERE (((table1 .ID) Between 1 And 5456));

This was applying random dates in range of 31/08/2015 + 5 days, so I could give a starting date of Sunday to get random dates populated over given IDs from Monday to Friday.Now, how can I do it in TSQL?I have a table with ID and dates column. I would like to apply new random dates from some range, but making sure they will be week days.

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Mar 30, 2004

I simply need the ability using SQL to add columns in an existing table before (or after) columns that already exist.

The MS SQL implementation of ALTER TABLE doesn't seem to provide the before or after placement criteria I require. How is this done in MS SQL using SQL or is there a stored procedure I can use?


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Jun 9, 2015

I have a non-partitioned table (TableToPartition) and I want to apply an existing partition scheme (PartSch) to it using a query. I didn't find any option so I used the StorageCreate Partition wizard to generate the script.why this clustering magic needed if it is dropped at the end? Isn't there another way without indexing to partition a table, say something with ALTER TABLE? (SQL Server 2012)

CREATE CLUSTERED INDEX [ClusteredIndex_on_PartSch_635694324610495157] ON [dbo].[TableToPartition]
DROP INDEX [ClusteredIndex_on_PartSch_635694324610495157] ON [dbo].[TableToPartition]

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How Can I Add A Column To An Existing Table

Nov 14, 2007

Hi everyone!

I just started with SQL and SQL Server 2005. I cantfind in my books how to add a column to an existing table. It should be a primary key, auto_increment column.

Hope someone can help, many thanks in advance

Greetings from Vienna Austria


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Apr 22, 2008

I have a table for blog comments I want to add a column that counts the number of comments for each article.
existing table looks like this:
ArticleID (FK)
commentDate (getDate())
I would like to add a column that counts the number of total comments for each article.This will give me what I want using the VS query tool:
"SELECT COUNT(comment) AS Expr1 FROM UserComments WHERE (articleid = @articleid)"
But can I add that to the table somehow so it does it automagically???

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Mar 5, 2004

I have an existing table (see below).

[FormCode] [varchar] (4) NULL ,
[FiscalYear] [char] (4) NULL

I want to add the column below after the [FormCode] when my SPROC runs.
[FiscalMonth] [char] (2) NULL

Any ideas would be a big help?

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Transact SQL :: Cannot Change Table Structure

Oct 5, 2015

I have a simple query which is taking about 2.5 minutes to execute. What can be done to speed it up ? I cannot change the table structure. even without the group by, and without the float and division, it takes about 2.25 minutes.

Select 'SV00302' as FileSource,
sum(0) as ActualHours,
sum(cast([Estimate_Hours] as float)/100) as EstHours,
max(MODIFDT+Modified_Time) as ModifiedDateTime


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Transact SQL :: Compiler Error Of Unable To Drop Table

May 29, 2015

I have a procedure where an id is passed into the procedure.  It will either be a numeric value or it will be the word "ALL."  All that is taking place is a select statement for the specified user id.  However, if All is passed in then I 1st need to get a list of all possible user id's and produce the results for all of the associated user ids.  This is my syntax, but it keeps producing a compile error of:

Msg 3701, Level 11, State 5, Line 1

Cannot drop the table '#tbl_temp', because it does not exist or you do not have permission.And I placed a comment above the line that is throwing this error.

CREATE procedure [dbo].[TEST]
@id varchar(100),
@startDate datetime,
@endDate datetime


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Adding And Populating A Column To Existing Table

Dec 5, 2005

Sorry I'm pretty new to SQL so I don't know if this is a simple question. I have a table, and I am trying to add a column to the table and populate this column using what would be called an 'IF' function in Excel.

Basically 'column A' has numbers in it. I want SQL to look at 'column A' and if the first 5 digits of the number in 'column A' are 00001, then put 'description A' into new column 'column B'. If the first 5 digits of the number in 'column A' are 00002, then put 'description B' into 'column A' etc.

Any ideas?

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