Columns Names Reserved Words [ ]

May 8, 2007

I have one column name that is: description

when i write a query the world lights up with blue, I think I saw someone using [ ] around the word but I no longer remember if this is the way to handle reserve words that have been use as columns names

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Reserved Words As Column Names

Nov 8, 2007

Hi there,

I'm trying to recreate a MS-SQL database in MySQL. One particular table has a column names "Precision", a reserved word in MySQL. I woudl really prefer to keep this name if possible as it will be referenced in all sorts of places. I've tried single and double quotes, that didn't work.

Is it possible to use reserveds word as column names? How?

cheers

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Using Reserved Words In Column Names

Jan 8, 2008



Here we go,


I have a great question for all of you.

What is the problem in using reserved words in table columns name? Any one have a compeling reason not to use?

Here is an exemple:

/ ******** Table ********/
Entity
EntityId
Name


When you query this table you should use the [ ] like this:

SELECT EntityId,[Name] FROM Entity

Anyone have any objection to this, with actual facts?

The question why use this?

This about the programing object in C#

Entity oneEntity = new Entity();

oneEntity.Name = "Test Entity";

It could be:

oneEntity.EntityName = "Test Entity";


Any one???


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Jan 14, 2005

We want to covert all reserved words
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Mar 19, 2004

Hello all,
I have a database that supports two different applications.
For arguments sake I'll call them "intelligent app" and "clueless app"

The client that provided me the schema for the clueless app used reserved words as field names.
The words used are:
value, state, and time

I explained to the client that modifying them could prevent current/future issues.

The client is an "oracle" db (and in my mind should know better but .....) and responded back to me with the following:

BEGIN QUOTE
They are not currently reserved and there is no guarantee they will ever be reserved. In fact, the SQL server line eliminates as many words from the reserved list as they add with new releases. There are other words on the
possible future reserved keyword list that I do not wish to avoid either unless forced to some day, like depth, size, class, zone, level and others.
END QUOTE

Now for the assistance request, where can I find the documented ramifications of using reserved words?
I want to have my documentation (and my ducks lined up) when this clients portion of the app fails.

Any and all assistance is greatly appreciated.

T. Mullins

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Mar 8, 2010

I am attempting to define a Transactional Publication with Updateable Subscriptions.

One of the articles in the definition has a column called "insertDate" The attempt fails with"A .NET Framework error occurred during execution of user-defined routine or aggregate "sp_MSmakeconflicttable_ sqlclr" System.Data.SqlClient.SqlException: Column names in each table must be unique. Column name insertdata in table 'conflict_ <Publication Name>_<TableName>' is specified more than onceDoes sp_MSmakeconflicttable_sqlclr attempt to create a derived table with this additional column.

Must I rename my column.Are there any other names I should watch out for (other than the standard reserved keywords).

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Mar 19, 2004

I need a querry to get all columns names.

thanks

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May 28, 2004

Hey,

I'm creating registration form.

To show fields names I thought to read columns names.

It's ok if columns is named like "Name", "Age" etc.
But if the columns is named [Country, Address, PostCode] then, I think, it can course some problems. Am I right?

First problem I thought about - changing database in the future (Now MS SQL 2k to MySQL etc.)

Is this the only problem?

To solve this I think using table which store syscolumn names as user defined columns names.

My system is speed critical and using this I would get less performance.

Which way should I go?

Case saving columns names in table, how to generate safe column name from user specified name, which can have special charters.

Thanks

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Oct 16, 2004

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Aug 31, 2004

Hi,
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Example - SELECT table1.field[1], table1.field[2] FROM table1;

Any information to this effect is much appreciated.
cheers/- Pradeep

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in any of the rows/columns. I don't want to have to name each
field/column and then use an if > 0 statement.Isn't there
some way to generically loop through the column's by index or something
instead of their field name so I can just use an integer loop to walk
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question is how do you do it in C#?SqlConnection thisConn = new SqlConnection(ConfigurationManager.ConnectionStrings["SQLQuery"].ConnectionString);        SqlCommand thisCmd = new SqlCommand("Command String", thisConn);        thisCmd.CommandText = "Select * from SelectionsByCountry where [" + DropDownList1.SelectedItem.ToString() + "] > '0'";        thisConn.Open();                SqlDataReader thisReader = null;        thisReader = thisCmd.ExecuteReader(CommandBehavior.CloseConnection);        while (thisReader.Read())        {            DropDownList2.Items.Add(thisReader["System"].ToString().Trim());/*** There are 200+ columns left I want to walk over using a loop structure of some sort. How do I do that?*/                    }- Rex

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Jan 11, 2007

hi,

i am sure this question must have been anwsered some where, but after a lot of searching i still have not find the anwser.

i have flat files without column headers (267 columns in total).
since i have the file's description i have created a table to house these extracts with the columns in the same order as in the flat files.
additionally, i have an excel containing a list of the column names their data types and length as well as their position on the flat files.
in the old, DTS would map the columns without headers to those columns in the destination table using their order, in which case it works like a breeze for me. but i can not find a way of doing that in SSIS.

i would very much appreciate someone's assistance on this one since i am sure that there must be a better way than manually (and tediously & error prone) to map all those columns.


thanks in advance

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May 12, 2015

I am able to get a list of columns in a table from the query I have written shown below:

select sc.name ColumnNames,st.name TableName from sys.columns sc inner join sys.tables st on sc.object_id=st.object_id
order by st.name

But I am looking for the resultset with the format below:

TableName   Columns
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Aug 3, 2007

I am trying to do a PIVOT on a query result, but the column names created by the PIVOT function are dynamic.

For example (modified from the SQL Server 2005 Books Online documentation on the PIVOT operator) :

SELECT
Division,
[2] AS CurrentPeriod,
[1] AS PreviousPeriod
FROM
(
SELECT
Period,
Division,
Sales_Amount
FROM
Sales.SalesOrderHeader
WHERE
(
Period = @period
OR Period = @period - 1
)
) p
PIVOT
(
SUM (Sales_Amount)
FOR Period IN ( [2], [1] )
) AS pvt

Let's assume that any value 2 is selected for the @period parameter, and returns the sales by division for periods 2 and 1 (2 minus 1).

Division CurrentPeriod PreviousPeriodA 400 3000 B 400 100 C 470 300 D 800 2500 E 1000 1900

What if the value @period were to be changed, to say period 4 and it should returns the sales for periods 4 and 3 for example, is there a way I can change to code above to still perform the PIVOT while dynamically accepting the period values 4 and 3, applying it to the columns names in the first SELECT statement and the FOR ... IN clause in the PIVOT statement ?

Need a way to represent the following [2] and [1] column names dynamically depending on the value in the @period parameter.

[2] AS CurrentPeriod,
[1] AS PreviousPeriod

FOR Period IN ( [2], [1] )

I have tried to use the @period but it doesn't work.

Thanks in advance.

Kenny

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Mar 2, 2012

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Now I know how to get the parameters for a stored procedure out of the catalogue views, but is SQL Server aware at all of the schema of the results of stored procedures that return result sets, becuase I was thinking of doing something like...

INSERT INTO #datacompare(col1,col2)
EXEC mystoredprocedure

... but I can not seem to figure out how to dynamically gather the schema of the result set.

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So it could look like

Date , TS-Sales, Budget , Toms sales
01-Jan-14,100,120,300
02-Jan-14,80,150,300
03-Jan-14,100,20,180

Turned to this

01-jan-14, 02-jan-14, 03-jan-14
100,80,100
120,150,20
300,300,180

Or even just the date and a SUM

What I want is to be able to sum al the columns but without knowing the name and the amount columns to start with this is a manually processes. How could I automate this?

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SELECT * FROM
(SELECT
X.REP_DT,
X.CUST_ID
AMOUNT_1
FROM
X) P
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I need to find column names if any after 2 “check” columns.

Scenario: I have a database, with approx 400-1500 tables, depending on installation of software. The software is structured so that, when it synchronizes the SQL database it will create all the columns e.g. custacc, custname etc. and then it will always put in two check columns “CheckOne” and “CheckTwo” these two columns has to be the two last ones. In 99.9 this always works fine, but sometime if the users creates a new field in the software, when it synchronizes the new field “lands” behind the two checkfields, which is not good.

So what I am after is a script, which can run through all user tables, tell me if there are columns after the two checkfields and list those tables if any.

Any help would be greatly appreciated.
Cheers
Henrik.

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Hello,

I've been able to startup a transactional replication between 2 database for some tables that only have different table names. Now there are still some tables that not only have different names but also different column names, can this be done in the wizzard ??



Thx

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I€™m using the ImportExport wizard to export the top 5 lines from a MS Sql table into a fixed format (€śragged€?) file. But I want the first record to contain the column names of the exported fields so I selected the €śColumn names in the first data row€? option of the €śChoose a Destination€? box. When I run the Package I get:


>>>
· Information 0x402090dc: Data Flow Task: The processing of file "C:arkingdogExportWithheader.txt" has started (SQL Server Import and Export Wizard)

· Error 0xc0202095: Data Flow Task: Failed to write out column name for column "CustomerID".
(SQL Server Import and Export Wizard)

Error 0xc004701a: Data Flow Task: component "Destination - ExportWithheader_txt" (49) failed the pre-execute phase and returned error code 0xC0202095.
(SQL Server Import and Export Wizard)
>>>

When I de-select the €śColumn names€? option, the package works fine. Other than manually, how can I et the column names in output file?

TIA,

Barkingdog



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select [uplift specialty], [member po],[practice unit name], [final nomination status]
,[final uplift status], [final rank], [final uplift percentage]
,practiceID=row_number() over (partition by [practice unit name] order by Metricname)
,metricname,Metricvalue, metricpercentilerank

[code]....

Rheumatology Table:The columns that vary start with "GDR" and [GDR Percentile Rank] so I'm just showing those:

GDR (nvarchar(255), null)
GDR Percentile Rank (nvarchar(255), null)
GDR PGS (nvarchar(255), null)
GDR Rank Number (nvarchar(255), null)
PMPM (nvarchar(255), null)

[Code] ....

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Jan 12, 2001

Hi,

We have a table with a column called 'text' Yes, text is a reserved keyword for data type. I can select it 'SELECT text FROM thistable' but when I try to use it in the order clause, 'SELECT text FROM thistable ORDER BY text', I get this error:

'The text, ntext, and image data types cannot be used in an ORDER BY clause'

I know, you're not supposed to used reserved keywords but the person who initially created this didn't know. We would prefer not to change the column name as this would require tons of changes in the code & COM object.

Is there a way to order this column?
Thanks.

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Mar 2, 2001

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CREATE PROCEDURE [dbo].[sp_CreateXtab]
@select varchar(8000),
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@pivot varchar(100),
@table varchar(100),
@SQLOutput varchar(8000) OUTPUT

[code]....

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So
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Data 450MB
Indexes 215MB
Unused 1856MB
<!--[if !supportLineBreakNewLine]-->
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I have tried running DBCC SHRINKFILE and DBCC CLEANTABLE commands on a backup copy of the database and cannot seem to free the unused space.

I have also tried copying the database in an attempt to reduce the unused reserved space and have tried creating a new database and importing the tables with no luck

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Hi!



We are encountering an issue of using OLE DB destination with the field name of the table is a reserved word in the database.



The database is DB2 V8 (mainframe). "partition" is one of the reserved word in V8 (It is not in the previous version and the whole thing worked fine).



It errors out when it reaches to the OLE DB destination task to do the insert. It complaints about using the reserved word, "partition". We could use an "OLE DB command" (instead of a to do an OLE DB Destination) with the insert SQL statement explicitly by putting double quote around the field name, partition in the insert statement. It works this way. But We wondered if there is any work around of using a reserved word in OLE DB destination in that case?



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EXEC sp_xml_preparedocument @HDOC OUTPUT, @DOC
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