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 :: 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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Feb 8, 2007

hiI want to increase a varchar(5000)to varchar(8000) on a table thathas approximately million rows.....What is the impact on the serveror any good recomendations of a action to accomplish this in the best andfastest way.thanks davep

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Aug 30, 2007

Hi....I execute select statement on three tables and i get the following table: 




ID


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1


10


color




2


20


color




3


30


color




4


40


color

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Jan 27, 2006

Can we change table structure in Mirroring. Like adding or deleting columns and tables and how can we do it. Thank you very much.

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

[code]...

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Jul 20, 2005

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Something Wrong With Table Structure Change On Mirrored Database

Mar 6, 2008

I have set up mirroring in high availability mode (principal, mirror, and witness).

After setting up mirroring, I needed to adjust the size of a column in one of my tables. I did so with the following command

ALTER TABLE OrderOptimizer.dbo.rCodes ALTER COLUMN CodeDescription VARCHAR(8000).

The column was initially VARCHAR(128)

When I look at the table structure it shows that the column is now VARCHAR(8000), however I can only enter 128 characters into the field.

I forced a failover to look at the table on the mirrored version. It too showed that the column was VARCHAR(8000).

If I open the table I can enter more than 128 characters into the field, however when I refresh, it is truncated to 128 characters,

Any help would be appreciated

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Nov 4, 2015

Change structure of a User Defined Table Types

      field
([idConteudo] [int]
NULL)      to     
 ([idConteudo] [BigInt]
NULL)

Or really should drop and create again?

CREATE TYPE [dbo].[tbProjeto] AS TABLE(
[dsConteudo] [varchar](64) NOT NULL,
[idConteudo] [int] NULL,
[dtConteudo] [datetime] NULL DEFAULT (getdate())
)
GO

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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:

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

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How to Change Order of Column In Database Tables

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Hi, all experts here,

I am a bit confused for the model evaluation (lift chart), should we map all the columns for both the mining structure and the case table? I mean for those predictive models, we have a predict column, shouldnt we ignore the mapping of the predictive column between the mining structure and the case table? But it seemes we are not allowed to miss the predictive column mapping between the mining structure and the case table.

Why is that? Could any experts here give me some explanation on that?

Hope my question is clear for your help.

Thanks a lot and I am looking forward to hearing from you shortly.

With best regards,

Yours sincerely,

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Nov 18, 2014

I have 2 tables: Order(ID, Quantity) and Product(ID,Name, Price) and I want to add a calculated field in Order table based on the price column in the Product table. How do i do that?

this query returns the values i want in the table.

select a.quantity * b.price
from tblCustomerPurchases as a
join tblProduct as b
on a.ID=b.ID

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Thanks in advance.

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Jul 20, 2005

This subject has been posted several times, but I haven't seen a goodanswer.Problem:I want to change the order of the columns in a table using T-SQL only.Explanation:After running your code, I want to see the following table...CREATE TABLE [dbo].[TableName] ([First_Column] [int] NULL ,[Second_Column] [varchar] (20) NULL) ON [PRIMARY]look like this...CREATE TABLE [dbo].[TableName] ([Second_Column] [varchar] (20) NULL ,[First_Column] [int] NULL) ON [PRIMARY]Limitations:Don't post if your post would fall in the following categories:1. If you don't think it can be done2. If you think Enterprise Manager is the only way to do this3. If you think I should just change the order of my Selectstatements4. If you want to state that order column doesn't matter in arelational database5. If you want to ask me why I want to do thisWish:Hopefully the answer WON'T involve creating a brand new table, movingthe data from old to new, dropping the old table, then renaming thenew table to the old name. Yes, I can do that. The table I'm workingwith is extremely huge -- I don't want to do the data juggling.Thanks in advance!

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Sep 2, 2015

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questions columns are (ID,questionTitle)

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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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Sep 17, 2013

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If I try this

select *
into Coupon FROM OPENROWSET('Microsoft.Jet.OLEDB.4.0',
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I get

OLE DB provider 'Microsoft.Jet.OLEDB.4.0' cannot be used for distributed queries because the provider is configured to run in single-threaded apartment mode.

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Does column order matter when creating a table? For example, Should NOT NULL columns always come before NULL columns? Should most frequently used columns always be near the top? What about text, ntext and image data types? Should they always appear near the end of the column order?

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Jun 27, 2007

Hello,I need to alter fields in all my tables of a given database, and Iwould to do this via a t-sql script.Example, I want to change all fields called SESSION_ID to char(6). Thefield is usually varchar(10), but the data is always 6 characters inlength. I have serveral fields that are fixed length that I want tomove from varchar to char.I believe I can find all the tables where the field exists usingselect * from INFORMATION_SCHEMA.columns where column_name ='SESSION_Id'but I dont know how to take this into an ALTER TABLE , ALTER COLUMNthat can be automatedTIARob

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Thank you very much

Tony

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Nov 14, 2014

I have a database (MSSQL). To demonstrate the problem let me show a fictive Tablestructure. I don't want to discuss about how to save the data differntly, because the structure is fix and I can't change it.To get this result I would do a sql query with a lot of joins like that:

SELECT firstname, lastname, email.value, phone.value
FROM Customer
INNER JOIN
(
SELECT Customer_Properties.id, Customer_Properties.value
FROM Customer_Properties

[code]...

I don't think that this is really performant and the SQL-Queries get very complicated. Give it a other methode for that? I can't change the data structure.

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How to modify/change data that is in a SQL table column. Here is what I need or have

I have 2 tables, Table 1 and Table 2, within those 2 tables there is 1 Column that has the same column heading aswell as data within,(I will call it the serial_number column) there is also a 2nd column that is labeled the Same in both tables, I would like to be able to update the Values in the 2nd column of table 1 with the values from table 2 column 3, using the Serial_number column as my matching reference between the 2, the data is not in the same order between the 2 Tables,

More or less I need to set the value of table 1/column 2 to match table 2/column 3, where the serial_numbers are the same in both tables serial_number columns, the data being changed is set as Small int...

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Feb 21, 2007

Hello, everyone:

I have an Excel table that has columns like,

Vendoe_Name
Level
Address
Email
Phone

I use the statemen

SELECT * FROM OPENDATASOURCE('Microsoft.Jet.OLEDB.4.0',
'Data Source=C: est.xls;Extended Properties=Excel 8.0')...[Sheet1$]

and got output by column order,

Address
Email
Level
Phone
Vendoe_Name

How to make output by original column order like,

Vendoe_Name
Level
Address
Email
Phone

Any help will appreciated. Thanks

ZYT

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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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Jan 11, 1999

Can anyone tell me how to change the datatype of a column.
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The table is empty...




THNK YOU VERY MUCH...

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Aug 23, 2013

I have two tables:

dtr
dataid........Subtype
data
docid....mimetype

I need to change the value of column mimetype in table data, but only for these entries which have the value 144 in column "Subtype" in table dtr.

Here is my sql:

with cte as (
select
DataID,
SubType,
MimeType
from dtr A1, data A2
where A1.dataid=A2.Docid And A1.Subtype='144'
AND
A2.mimetype='application/news-message-id'
)
update cte set MimeType = 'application/x-outlook-msg'

I've tested it and it works. Do you see any problems with this SQL?

As updates are risky I'll do a database backup. Is it possible to get all changed entries so that I can track my update, because I don't have a report about the changes? Maybe that everythin is transferred to an output file?

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Apr 22, 2008



I am modifying a table and some of the columns are changing. The following syntax is resulting in errors. What am I doing wrong?


ALTER TABLE [EDB].[SQL_test]

ALTER COLUMN EDBR_Nb EDBR_Nm varchar(10)

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