Common SQL Server Express Problem That I Can't Seem To Solve

Jul 9, 2006

Hi Guys,

[VS2005, .NET 2.0 SQL Server Express]

I could really use some help with this one - as in desperately!:

I have a couple of database projects which run fine in Debug Mode from VS2005, but I can't get them to run outside of it.

The problem is that, for some reason, the login to the database file isn't succeeding.  I'm getting the following errors:

.NET Project: System.Data.SqlClient.SqlException: Failed to generate a user instance of SQL Server due to a failure in starting the process for the user instance. The connection will be closed.
DotNetNuke 4.0.3 Project: ERROR: Could not connect to database specified in connectionString for SqlDataProvider.  (I sometimes get a "The Server Version does not match the Database Version" error)

Here are my connection strings for the above two scenarios:

<connectionStrings>
     <add name="EpgDbConnection" connectionString="Data
             Source=.SQLEXPRESS;AttachDbFilename=C:ProjectsEpgEpg.mdf;Integrated
             Security=True;Connect Timeout=30;User Instance=True" 
             providerName="System.Data.SqlClient" />
</connectionStrings>

<connectionStrings>
      <add name="SiteSqlServer" connectionString="Data Source=.SQLExpress;Integrated
             Security=True;User Instance=True;AttachDBFilename=|DataDirectory|Database.mdf;"
             providerName="System.Data.SqlClient" />
</connectionStrings>

My assumption is that I need to switch from Integrated Security (is that Windows Security?) to SQL Server Security, but I'm battling to do that effectively.

A pointer to a simple step-by-step guide would be fantastic, but, if there isn't such a thing available, I have a number of specific questions:

Question 1: Why does one need to switch from Integrated Security to SQL Server Security?

If I'm right, I suspect that my connection strings will become:

 <connectionStrings>
  <add name="SiteSqlServer" connectionString="Data Source=
     (local);user id=gary;password=password;Connect Timeout=30" />

and

 <connectionStrings>
  <add name="EpgDbConnection" connectionString="Data Source=(local);
     user id=gary;password=password;Connect Timeout=30" />

respectively.

Question 2: Are these strings correct?

(I receive a login failed error)

Question 3: How do I go about changing the Security Setting, using either VS2005 or SQL Server?

(I've modified permissions at a SQL Server Express level from Windows Authentication mode to SQL Server and Windows Authentication mode in SSMS, but the Authentication Method can't seem to be changed at the database file level. View connection string (under database properties), reveals an unalterable "Windows Authentication" Authentication Method.)

Question 4: I've managed to add a user and password at the SQL Server Express level.  What roles should the user have?

I'd be very grateful for any help you could give me.  I've tried everything I can find or think of and am not getting anywhere!

Thanks very much.

Regards

Gary

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Common Table Expression (CTE):How To Delete A Wrong CTE That Is In SQL Server Management Studio Express (SSMSE)?

Feb 25, 2008

Hi all,

I ran the following CTE sql code:


Use ChemDatabase

GO

WITH PivotedTestResults AS

(

SELECT TR.AnalyteName, TR.Unit,

Prim = MIN(CASE S.SampleType WHEN 'Primary' THEN TR.Result END),

Dupl = MIN(CASE S.SampleType WHEN 'Duplicate' THEN TR.Result END),

QA = MIN(CASE S.SampleType WHEN 'QA' THEN TR.Result END)

FROM TestResults TR

JOIN Samples S ON TR.SampleID = S.SampleID

GROUP BY TR.AnalyteName, TR.Unit

)

SELECT AnalyteName, UnitForConc,

avg1 = abs(Prim + Dupl) / 2,

avg2 = abs(Prim + QA) / 2,

avg3 = abs(Dupl + QA) / 2,

RPD1 = abs(Prim - Dupl) / abs(Prim + Dupl) * 2,

RPD2 = abs(Prim - QA) / abs(Prim + QA) * 2,

RPD2 = abs(Dupl - QA) / abs(Dupl + QA) * 2

FROM PivotedTestResults

GO

//////////////////////////////////////////////////////////////////////////////////////
I got the following errors:

Msg 207, Level 16, State 1, Line 9

Invalid column name 'Unit'.

Msg 207, Level 16, State 1, Line 3

Invalid column name 'Unit'.

////////////////////////////////////////////////////////////////////////////////////////////////////////////////

I guess that I had "Unit" (instead of "UnitForConc"), when I executed the sql code last time!!!???
How can I delete the old, wrong CTE that is already in the ChemDatabase of my SSMSE?

Please help and advise.

Thanks in advance,
Scott Chang

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Hi all,
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--CTE.sql--

USE ChemAveRpd

GO

WITH PivotedLabTests AS

(

SELECT LT.AnalyteName, LT.Unit,

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FROM LabTests LT

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GROUP BY LT.AnalyteName, LT.Unit

)

SELECT AnalyteName, Unit, avg1 = (abs(Prim + Dupl)) / 2,

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avg3 = (abs(Dupl + QA)) / 2,

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FROM PivotedLabTests

GO

===========================================
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Please help and respond.

Thanks in advance,
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Linked servers
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Hi,

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Sub Query 2: 08Applicants

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Sub Query 3: 08Dinged

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Sub Query 4: 08Interviewed

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ORDER BY Count(1) DESC;

Sub Query 5: 08Matriculating

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FROM statusTbl
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GROUP BY statusTbl.school
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How can I implement the CTE, where can I write the CTE and where can I store the CTE.

And how can I call the CTE from ASP.NET 2.0 using C#.

It€™s Very Urgent Requirements.

We need your timely help.

With Thanks & Regards,
Sundar

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Note: the server lies with the same configuration in both old set up and new setup.(only harddisks are upgraded.
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As of now, we have decided to start from the scrap once again. before that can i get some help ???


old set up:


Raid 1 - 32 x 2 - (two Partitions C and D )
C - OS , D - Batch Files

Raid 5 - 72 x 5 - (two Partitions E and F ) (1 harddisk - Hotspare - 4 hdd will be used for raid)
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New Set up:



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Aug 14, 2005

I just inherited a Java application with a fairly complex data modelthat does not yet have any indexes except those on primary keys. It isstill in development and before I get to do any performance testing Iwant to put some default indexes on it. I realize that this a veryvague request but it's better than nothing so I want to start withthose that are generally a good idea and then tune those areas thatrequire more fine grained approach. By the way, I'm mostly a Javaprogrammer so please forgive my DB ignorance and I thank you for anyhelp.Since the full schema is quite large I will use a simple example (fullycited below my questions). Here is list of indexes that I think wouldbe a good idea. If anyone can add to it or comment on my questions Iwould appreciate it.1. Index on primary keys in all three tables. My understanding thatthis indexing happens automatically just by declaring that a column isa PK.ALTER TABLE employees ADD PRIMARY KEY (emp_id);ALTER TABLE employee_addresses ADD PRIMARY KEY (address_id);ALTER TABLE departments ADD PRIMARY KEY (dept_id);Question: Does index get created automatically because this is a PK?2. Index on foreign keys in the children tables to prevent deadlocksand lock escalations.CREATE INDEX fk_index ON employee_addresses (emp_id)3. Indexes on common queries on all three tables.CREATE INDEX common_query_idx on employees(last_name, first_name,position)CREATE INDEX common_query_idx on departments(last_name, first_name,position)CREATE INDEX common_query_idx on employee_addresses(street, city)Question: Given that the searches can be on any field separately andin any combination should I also put an index on each columnindividually or will the composite index take care of individualsearches as well? For example, will the above indexes be sufficientfor the following SELECT:SELECT e.last_name, e.first_name from employees e, departments d,employee_addresses ea, dept_employees de WHERE e.emp_id = de.emp_id ANDd.dept_id = de.dept_id AND ea.emp_id = e.emp_id AND e.position ='master chief' AND d.dept_name = 'galactic affairs' AND ea.city='LosAngeles'4. Unique index on the association table. Again this is accomplishedusing PKALTER TABLE dept_employees ADD PRIMARY KEY (dept_id, emp_id)Question: Is the index on (dept_id, emp_id) automatic because of PK?5. The association table has to go both ways and PK takes care only ofthe first half. Thus add an index to go the other way.create unique index dept_employee_idx on dept_employee(emp_id,dept_id)Question: should I use INDEX ORGANIZED TABLE?Question: should I have UNIQUE qualifier on the second index given thatPK already takes care of it?Thanks,Robert===== EXAMPLE ======1) An employee can be in many departments and a department can containmany employees.2) Common searches for employees are on last_name, first_name,position, department_name, department_location separately and in anycombination.3) There are common searches for departments that contain certainemployees e.g. find all departments containing John Smith.CREATE TABLE employees(emp_id INTEGER NOT NULL,last_name VARCHAR(50) NOT NULL,first_name VARCHAR(25) NOT NULL,position VARCHAR(10) NOT NULL);CREATE TABLE employee_addresses(address_id INTEGER NOT NULL,emp_id INTEGER NOT NULL,street VARCHAR(50) NOT NULL,city VARCHAR(25) NOT NULL,);CREATE TABLE departments(dept_id INTEGER NOT NULL,dept_name VARCHAR(50) NOT NULL,dept_location VARCHAR(25) NOT NULL,);CREATE TABLE dept_employees(dept_id INTEGER NOT NULL,emp_id INTEGER NOT NULL,);ALTER TABLE employee_addresses ADD FOREIGN KEY (emp_id) REFERENCESemployees(emp_id)ALTER TABLE dept_employees ADD FOREIGN KEY (emp_id) REFERENCESemployees(emp_id)ALTER TABLE dept_employees ADD FOREIGN KEY (dept_id) REFERENCESdepartments(dept_id)

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I'm a beginer!
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Server Error in '/' Application.


An error has occurred while establishing a connection to the server.  When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)
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An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace:



[SqlException (0x80131904): An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)]
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System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +170
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System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +28
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +424
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +66
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +496
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +82
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System.Data.SqlClient.SqlConnection.Open() +111
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System.Web.UI.WebControls.DetailsView.DataBind() +4
System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +82
System.Web.UI.WebControls.DetailsView.EnsureDataBound() +181
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Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.210

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Statements..ParticipantSourceSummary
SET
DeferralPct = DEFPCT,
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VestBal = VESTBALANC
FROM
Statements..ParticipantSourceSummary ps
Join (
SELECT
p.ParticipantId,
cp.PlanId,
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s.BEGBAL,
s.DEPOSITS,
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s.GAINLOSS,
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ON s.PLAN_NUM = cp.ClientPlanId
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ON s.SOURCE_NUM = cs.ClientSourceId and cs.ClientId = @ClientId
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GROUP BY
p.ParticipantId,
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) s
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AND
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AND
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AND
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