Users in SQL databases

I took up programming a couple of months ago (alongside my day job) and am struggling with a couple of basic concepts. Currently, I'm trying to learn how to build a database based PHP login/logout for a web app.
Can anyone help me understand the concept of database users? The way I see it, there is:
a database server (which serves all the databases created, sort of like an "OS serves all the apps installed")
all the databases, with their tables inside
users (? this is where it gets confusing for me - how many and which users do I need?, what are basic good practices?)
users from the table "users", which will get into this table by registering on the website are not the same as users that the app uses to connect to the database? Or are they?
I apologize, I understand that these are basic concepts but I find the available web tutorials lacking in good concept explanations. Everyone seems to want to jump right into the coding part asap whereas I find that programming is more about ideas and concepts
and then about syntax and languages.

A Login is used to grants the entry into the SERVER.
A User grants a login entry into a single DATABASE.
One Login can be associated with many users (one per database).
http://www.akadia.com/services/sqlsrv_logins_and_users.html
mark as answer if it is useful

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How to create a user in SQL database table for FBA in SharePoint 2013

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Reference articles that i checked are
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We can use CreateUserWizard control to achieve it.
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Contained Database Users are now available in Azure SQL Database Update preview

Contained Database Users should be of particular help for people migrating to Azure SQL Database. At the moment, this is a preview release but you can start testing. Here is the announcement of the
preview with links to more information.
New SQL Database public preview with new Standard-tier performance level
Previously announced in November 2014 and now available for customers to try, the
new
public preview of SQL Database improves the compatibility of SQL Server applications for Azure SQL Database. Details of this preview are available on the
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Database documentation webpage, including the following key enhancements: easier management of large databases to support heavier workloads with parallel queries
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upgrade to the preview. Please note that any move of an existing Basic, Standard, or Premium database into this preview is irreversible; we recommend that you create a database copy or leverage test databases on any server enrolled in this preview.
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Rick Byham, Microsoft, SQL Server Books Online, Implies no warranty

Hello Rick
That is great, one thing I'd like to ask, does it support SSMS,SSDT?
No sign of that yet, that I’ve seen.....
Best Regards,Uri Dimant SQL Server MVP,
http://sqlblog.com/blogs/uri_dimant/
MS SQL optimization: MS SQL Development and Optimization
MS SQL Consulting:
Large scale of database and data cleansing
Remote DBA Services:
Improves MS SQL Database Performance
SQL Server Integration Services:
Business Intelligence

Insufficient SQL database permissions for user 'Name: NT AUTHORITY\IUSR SID: S-1-5-17...

Hi,
I have a customized SharePoint page that takes user input data, validate some of the data, then writes the data to a SharePoint list. If an exception occurs, it will write the error to the ULS.
All was working well in the test environments.
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I've traced through the code and found that it fails on the line:
SPDiagnosticsServiceBase.GetLocal<LoggerError>();
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I have also googled around today, but the most positive solution provided
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Hi，
Thanks for your sharing, it will be userful to the people who stuck with the same issue.
Best regards
Patrick Liang
TechNet Community Support

Insuffiecient SQL database Permission for User

Hi All,
The following error is coming in the Event Viewer:
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Hi Pravin,
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http://sharepointpaul.blogspot.jp/2013/09/resolution-of-sharepoint-event-id-5214.html
Thanks
Daniel Yang
TechNet Community Support

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Dear all,
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Hi Mark,
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http://adammcewen.wordpress.com/2013/03/01/execute-permission-denied-on-sharepoint-config-db/
http://technet.microsoft.com/en-us/library/ee513067(v=office.14).aspx
I hope this helps.
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Wendy Li
TechNet Community Support

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category-database
event id-3351
source-sharepoint foundation
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I have been getting this error every hour on only 1 application server of the 2.
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Hi,
As I understand, you found event id 3351 in event log. Please collect more information as below：
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Regards,
Rebecca Tu
TechNet Community Support

Sync AD user credentials with a SQL database

Hi folks!
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Looks like you need a linked SERVER to AD
create table #t (email varchar(100),sAMAccountName varchar(100),EmployeeID varchar(100))
insert into #t Exec master..spQueryAD 'SELECT EmployeeID, SamAccountName, mail
FROM ''LDAP://dc=companyname,dc=com'' WHERE objectCategory=''person'' and objectclass=''user''', 0
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GO
/****** Object: StoredProcedure [dbo].[spQueryAD] Script Date: 17/03/2014 13:56:45 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER procedure [dbo].[spQueryAD] (@LDAP_Query varchar(255)='', @Verbose bit=0)
as
--verify proper usage and display help if not used properly
if @LDAP_Query ='' --argument was not passed
BEGIN
Print ''
Print 'spQueryAD is a stored procedure to query active directory without the default 1000 record LDAP query limit'
Print ''
Print 'usage -- Exec spQueryAD ''_LDAP_Query_'', Verbose_Output(0 or 1, optional)'
Print ''
Print 'example: Exec spQueryAD ''SELECT EmployeeID, SamAccountName FROM ''''LDAP://dc=domain,dc=com'''' WHERE objectCategory=''''person'''' and objectclass=''''user'''''', 1'
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Print 'spQueryAD returns records corresponding to fields specified in LDAP query.'
Print 'Use INSERT INTO statement to capture results in temp table.'
Return --'spQueryAD aborted'
END
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DECLARE @ADOconn INT -- ADO Connection object
, @ADOcomm INT -- ADO Command object
, @ADOcommprop INT -- ADO Command object properties pointer
, @ADOcommpropVal INT -- ADO Command object properties value pointer
, @ADOrs INT -- ADO RecordSet object
, @OLEreturn INT -- OLE return value
, @src varchar(255) -- OLE Error Source
, @desc varchar(255) -- OLE Error Description
, @PageSize INT -- variable for paging size Setting
, @StatusStr char(255) -- variable for current status message for verbose output
SET @PageSize = 1000 -- IF not SET LDAP query will return max of 1000 rows
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IF @Verbose=1
BEGIN
Set @StatusStr = 'Create ADO connection...'
Print @StatusStr
END
EXEC @OLEreturn = sp_OACreate 'ADODB.Connection', @ADOconn OUT
IF @OLEreturn <> 0
BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOconn , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
RETURN
END
IF @Verbose=1 Print Space(len(@StatusStr)) + 'done.'
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IF @Verbose=1
BEGIN
Set @StatusStr = 'Set ADO connection to use Active Directory driver...'
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EXEC @OLEreturn = sp_OASETProperty @ADOconn , 'Provider', 'ADsDSOObject'
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BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOconn , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
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IF @Verbose=1 Print Space(len(@StatusStr)) + 'done.'
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IF @Verbose=1
BEGIN
Set @StatusStr = 'Open the ADO connection...'
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EXEC @OLEreturn = sp_OAMethod @ADOconn , 'Open'
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BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOconn , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
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IF @Verbose=1
BEGIN
Set @StatusStr = 'Create ADO command object...'
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EXEC sp_OAGetErrorInfo @ADOcomm , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
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IF @Verbose=1 Print Space(len(@StatusStr)) + 'done.'
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IF @Verbose=1
BEGIN
Set @StatusStr = 'Set ADO command object to use Active Directory connection...'
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SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
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IF @Verbose=1 Print Space(len(@StatusStr)) + 'done.'
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IF @Verbose=1
BEGIN
Set @StatusStr = 'Retrieve ADO command properties...'
Print @StatusStr
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EXEC @OLEreturn = sp_OAGetProperty @ADOcomm, 'Properties', @ADOcommprop out
IF @OLEreturn <> 0
BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOcomm , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
RETURN
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IF @Verbose=1 Print Space(len(@StatusStr)) + 'done.'
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IF @Verbose=1
BEGIN
Set @StatusStr = 'Set ''PageSize'' property...'
Print @StatusStr
END
IF (@PageSize IS NOT null) -- If PageSize is SET then SET the value
BEGIN
EXEC @OLEreturn = sp_OAMethod @ADOcommprop, 'Item', @ADOcommpropVal out, 'Page Size'
IF @OLEreturn <> 0
BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOcommprop , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
RETURN
END
EXEC @OLEreturn = sp_OASETProperty @ADOcommpropVal, 'Value','1000'
IF @OLEreturn <> 0
BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOcommpropVal , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
RETURN
END
END
IF @Verbose=1 Print Space(len(@StatusStr)) + 'done.'
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IF @Verbose=1
BEGIN
Set @StatusStr = 'Set ''SearchScope'' property...'
Print @StatusStr
END
BEGIN
EXEC @OLEreturn = sp_OAMethod @ADOcommprop, 'Item', @ADOcommpropVal out, 'SearchScope'
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BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOcommprop , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
RETURN
END
EXEC @OLEreturn = sp_OASETProperty @ADOcommpropVal, 'Value','2' --ADS_SCOPE_SUBTREE
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BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOcommpropVal , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
RETURN
END
END
IF @Verbose=1 Print Space(len(@StatusStr)) + 'done.'
--SET the Asynchronous property to True
IF @Verbose=1
BEGIN
Set @StatusStr = 'Set ''Asynchronous'' property...'
Print @StatusStr
END
BEGIN
EXEC @OLEreturn = sp_OAMethod @ADOcommprop, 'Item', @ADOcommpropVal out, 'Asynchronous'
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BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOcommprop , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
RETURN
END
EXEC @OLEreturn = sp_OASETProperty @ADOcommpropVal, 'Value',True
IF @OLEreturn <> 0
BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOcommpropVal , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
RETURN
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END
IF @Verbose=1 Print Space(len(@StatusStr)) + 'done.'
--Create the ADO Recordset to hold the results of the LDAP query
IF @Verbose=1
BEGIN
Set @StatusStr = 'Create the temporary ADO recordset for query output...'
Print @StatusStr
END
EXEC @OLEreturn = sp_OACreate 'ADODB.RecordSET',@ADOrs out
IF @OLEreturn <> 0
BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOrs , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
RETURN
END
IF @Verbose=1 Print Space(len(@StatusStr)) + 'done.'
--Pass the LDAP query to the ADO command object
IF @Verbose=1
BEGIN
Set @StatusStr = 'Input the LDAP query...'
Print @StatusStr
END
EXEC @OLEreturn = sp_OASETProperty @ADOcomm, 'CommandText', @LDAP_Query
IF @OLEreturn <> 0
BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOcomm , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
RETURN
END
IF @Verbose=1 Print Space(len(@StatusStr)) + 'done.'
--Run the LDAP query and output the results to the ADO Recordset
IF @Verbose=1
BEGIN
Set @StatusStr = 'Execute the LDAP query...'
Print @StatusStr
END
Exec @OLEreturn = sp_OAMethod @ADOcomm, 'Execute' ,@ADOrs OUT
IF @OLEreturn <> 0
BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOcomm , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
RETURN
END
IF @Verbose=1 Print Space(len(@StatusStr)) + 'done.'
--Return the rows found
IF @Verbose=1
BEGIN
Set @StatusStr = 'Retrieve the LDAP query results...'
Print @StatusStr
END
EXEC @OLEreturn = sp_OAgetproperty @ADOrs, 'getrows'
IF @OLEreturn <> 0
BEGIN -- Return OLE error
EXEC sp_OAGetErrorInfo @ADOrs , @src OUT, @desc OUT
SELECT Error=CONVERT(varbinary(4),@OLEreturn), Source=@src, Description=@desc
RETURN
END
IF @Verbose=1 Print Space(len(@StatusStr)) + 'done.'
Best Regards,Uri Dimant SQL Server MVP,
http://sqlblog.com/blogs/uri_dimant/
MS SQL optimization: MS SQL Development and Optimization
MS SQL Consulting:
Large scale of database and data cleansing
Remote DBA Services:
Improves MS SQL Database Performance
SQL Server Integration Services:
Business Intelligence

How to find SQL database configured users without studio management .

Hello Guys,
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Hello,
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How to find the number of users connected to database from OS level(Linux)

Hi All,
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oracle version:- 10g,11g
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Excellent.
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mseberg

Intermittant (not constant) SQL database ShareWebDb login failed events 3760 and 2424

My Sharepoint 3.0 services that were bundled with SBS 2008 appear to be working fine. Companyweb, etc, all work w/o issue, so I don't want to take violent action, but these errors seem to be accellerating so I would love to know if there is a known
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I typically receive the following (these are in reverse time order, latest at the top, just as they appear in the event log):
Error Event ID: 3760 SQL Database 'ShareWebDb' on SQL Server instance 'np:\\.\pipe\MSSQL$Microsoft##SSEE\sql\query' not found. Additional error information from SQL Server is included below. Cannot open database "ShareWebDb" requested
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Information Event ID: 18456 No description, here is the Details:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider
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<EventID Qualifiers="49152">18456</EventID>
<Level>0</Level>
<Task>4</Task>
<Keywords>0x90000000000000</Keywords>
<TimeCreated
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<EventRecordID>491461</EventRecordID>
<Channel>Application</Channel>
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<Security
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<EventData>
<Data>NT AUTHORITY\NETWORK SERVICE</Data>
<Data>[CLIENT: <named pipe>]</Data>
<Binary>184800000E000000170000005000450054003300310030005C004D004900430052004F0053004F00460054002300230053005300450045000000070000006D00610073007400650072000000</Binary>
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</Event>
Two seconds earlier
Information Event ID 17137 No description, here is the Details:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider
Name="MSSQL$MICROSOFT##SSEE" />
<EventID Qualifiers="16384">17137</EventID>
<Level>4</Level>
<Task>2</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated
SystemTime="2010-11-12T18:35:04.000Z" />
<EventRecordID>491460</EventRecordID>
<Channel>Application</Channel>
<Computer>mysever.mydomain.local</Computer>
<Security
UserID="S-1-5-20" />
</System>
<EventData>
<Data>ShareWebDb</Data>
<Binary>F14200000A000000170000005000450054003300310030005C004D004900430052004F0053004F00460054002300230053005300450045000000070000006D00610073007400650072000000</Binary>
</EventData>
</Event>
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connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)" I'm assuming that is because I don't have access permission for that internal database.
I don't see any errors in the event log related to failed logins or any errors at all from the SQL server, but there are the time matching informational entries right before the error events and lots of other 17137's and 2803's from MSSQL$Microsoft##ssee

Thank you Kevin, that does seem to match my symptoms and I have made the change suggested. Just incase that page becomes unreachable by others, here is the part of the page that applies to this:
Issue:
=========
Receive event error 3760 and 6398 on SBS 2008
Cause:
==========
Issue was caused by incorrect Auto Close option for ShareWebDb database
Solution:
==========
1. On the SBS 2008 server, click Start -> All Programs -> Microsoft SQL Server 2005, right click SQL Server Management Studio Express and choose run as administrator.
NOTE: You must run it as administrator to perform steps below.
2. In the Server Name box, type \\.\pipe\MSSQL$Microsoft##SSEE\sql\query, click connect.
3. Expand Database node and right click the ShareWebDb then choose properties.
4. Click Options in the left pane, in the right pane, please check whether the Auto Close option is set to True, if so, please change it to False.

Advise on SQL database process

Dear all,
We have build our own product CMS platform configuration which is running on SQL server and CMS web site link to it.
We will lauch our product soon but need to identify the correct hosting plan for not having any further issue.
For exemple for now all is hosted in our company azure account with a Standard Basic 5 DTU's.
When we go in production we can expect some connection and big amount of data on our database.
My question are as follow :
- Does using a single database storage for my potential Customers would be enough ?
- How should I plan backup efficiently ?
- Should I plan a safety replication process somewhere in azure or duplicate the storage in order to switch in case of lack of place ?
My concern is to avoid my database beeing full while customers increase
Thanks for your advise and help
regards
serge

Hi Solatys,
- If I select by default STANDARD Azure database, which size, DTU, etc should I select ?
For this question, you may reference the below link. You can scale your Azure database performance based on the real-time requirement.
Azure
SQL Database introduces new near real-time performance metrics
- If for instance the initial URL of the web portal connected to SQL server1 has a trouble, how can I switch users transparently to a second replicated server in order that user will notify anything ?
Azure SQL Database has a built-in high availability subsystem that protects your database from failures of individual servers and devices in a datacenter. Azure SQL
Database maintains multiple copies of all data in different physical nodes located across fully independent physical sub-systems to mitigate outages due to failures of individual server components, such as hard drives, network interface adapters, or even entire
servers. At any one time, three database replicas are running—one primary replica and two or more
secondary replicas. Data is written to the primary and one secondary replica using a quorum based commit scheme before the transaction is considered committed.
If the hardware fails on the primary replica, Azure SQL Database detects the failure and fails over to the secondary replica. In case of a physical loss of a replica, a new replica is automatically created.
So there are always at minimum two physical, transactionally consistent copies of your data in the datacenter.
Azure SQL Database Business Continuity
- IF I select the Maximum size of the database, what will happen in case it will be nearly full and need to provide more space ?
Insert and update transactions that exceed the upper limit will be rejected because the database will be in read-only mode. The maximum size has been gained from 50GB to 500GB as of now, you may have no concern about it. You can
set a monitoring alertto
notify the storage utilization and CPU percentage etc.
If you have any question, feel free to let me know.
Eric Zhang
TechNet Community Support

Data Search In SQL Database

Hi, i want user to type a string in textbox, and i will search, if textbox.text exists in my SQL database table or not. Below is the code i'm using :---------------
string txtname = (txtEmpName.Text).Trim();
sQuery = "select * from tbUser where UserName='_username'";
sQuery = sQuery.Replace("_username", txtname);
SqlConnection objConnection = new SqlConnection(source);
objDataAdapter = new SqlDataAdapter(sQuery,objConnection);
// DataTable dtTable = new DataTable();
if (objConnection.State == ConnectionState.Closed)
objConnection.Open();
objDataSet = new DataSet();
objDataAdapter.Fill(objDataSet);
// objDataAdapter.Fill(dtTable);
or i want to search if "txtname" exists in "tbUser" table.
Thanks & Regards.
Manish S. Anand

This is a very poor coding, Unfortunately not fit anywhere :-(
This code is a security risk (sql injection)!
He should use SqlCommand class with parameters!
but yet if i understand the problem he is facing, then the problem is in the SQL part of the code and not the Dot.net :-) therefor it is fit to this forum. Basically the code should work, but as i understand from him his problem is in the
result set come back from the query filter. If so:
* the problem is that he use:
where UserName='_username'
instead of:
where UserName='%_username%'
and he do ask about the search problem :-)
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Database Initialiser does not create azure sql database

I have a WPF application In the OnStartup in the app.cs I set the Database initializer and forced the context the initialise my database:
Debug.WriteLine("Setting Initializer");
Database.SetInitializer<MyContext>(new MyDatabaseInitializer());
Debug.WriteLine("Declaring new context");
using (MyContext c = new MyContext("MyContext"))
Debug.WriteLine("Force the initialization");
c.Database.Initialize(true);
Debug.WriteLine("Done!");
I created a sql database in the management portal of the azure.
Copied the connectionstring it provided for ADO.net.
But my database is not created.
I also added a firewall rule but nothing happens. I Have no clue what to do.
Can anybody please help me with this?
If you need more information please ask i really have to get this sorted out.
Thanks in advance!

Hi Turkstra,
I have tried to use EF to create Azure SQL database, it works as expect, the database 'jambordbcreate' appear in my SQL Azure, below is the detailed codes.
using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CodeFirst
class Program
static void Main(string[] args)
Database.SetInitializer(
new CreateDatabaseIfNotExists<SchContext>());
using (var db = new SchContext("Server=tcp:****.database.windows.net,1433;Database=jambordbcreate;User ID=vote@***;Password=***;Trusted_Connection=False;Encrypt=True;Connection Timeout=30"))
string name = "jambor";
var student=new Student(){Name=name, ID="1a"};
db.Students.Add(student);
db.SaveChanges();
db.Database.Initialize(true);
public class Student
public string ID { get; set; }
public string Name { get; set; }
public string age { get; set; }
public string sex { get; set; }
public class School
public string ID { get; set; }
public string Name { get; set; }
public virtual List<Student> Students { get; set; }
public class SchContext : DbContext
public SchContext(string connection):base(connection)
public DbSet<Student> Students { get; set; }
public DbSet<School> Schools { get; set; }
I suggest you check your SQL connection, after run your code, please refresh azure portal to see whether your database is exist. Hope this give you some help.
Best Regards,
Jambor
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