Microsoft's SQL Server is a relational database management system (RDBMS) that runs as a server providing multi-user access to a number of databases. It originated from the Sybase SQL Server codebase, which is why both products use the extension of SQL called Transact-SQL (T-SQL).

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SQL-Server 2012: Same query takes different Query Plans - but why?

Recently we had an issue with a query, which reached a timeout when executed the call through our web application. Using a monitoring tool I found the "bad query" and took it. I run it directly on the ...
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0answers
42 views

How many LEFT JOINS make a VIEW unusable?

I have a view which involves LEFT JOINS on 20+ tables to a base table but when querying this view and looking at the execution plans I am getting something totally unexpected. For example, with the ...
0
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0answers
20 views

SQL database rejoined to new SQL Server 2008 R2. Users are still unable to connect

The below error appears when our users attempt to connect to our database following a complete rebuild of our SQL server and restore of the MDL file: We have created user accounts on the new SQL ...
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0answers
14 views

SQL Server Replication (Login failed for user 'NT Service\SQLAgent$SQL2014')

I'm trying to setup a replication on my local computer. I setup the distributor, the publisher and the subscriber. When I launch replication monitor on the publisher instance it returns the ...
0
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2answers
29 views

Is it possible to convert existing users from SQL Server authentication to Windows (AD) authentication? (SQL Server 2008 R2)

We have just undergone a bare-metal restore of an SBS 2003 server running our SQL database and are in the final stages of configuration before going live again. Previously, we had 20 users accessing ...
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0answers
37 views

Roomwise track of beds sql server table design [on hold]

Well I am bit confused. I am a new student of SQL database. Today, I conceived of a system to track accommodation status in my hostel. I do not know how to plan the database field and constraints - ...
6
votes
2answers
163 views

Strange query results for DELETE with ROW_NUMBER

In the following DELETE statement I try to delete all rows except the first one ordered by some criteria. (The actual query makes more sense, this is just a repro. All the sys.objects stuff is just ...
2
votes
3answers
46 views

Additional space required for INDEX REORGANIZE

MSDN states: ALTER INDEX REORGANIZE; however, log space is required. The database recovery mode is Simple, does that implies the log space is actually NOT required ?.
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1answer
36 views

How to set a restart on a TSQL Job?

I currently have an important TSQL job that hangs probably once a week. It moves data from one database to another. It is on a schedule running every 5 minutes indefinitely throughout the day. ...
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5answers
908 views

Why does a UNIQUE constraint allow only one NULL?

Technically, NULL = NULL is False, by that logic no NULL is equal to any NULL and all NULLs are distinct. Shouldnt this imply that all NULLs are unique and a unique index should allow any number of ...
0
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1answer
26 views

Cannot execute as the server principal

I'm trying to set up a stored procedure to execute an SSIS package. I want to allow a user to execute only this stored procedure, so I need it to run as a different user. I found this article which ...
1
vote
1answer
60 views

How does SQL Server handle logins when the user is a part of multiple groups with various privileges?

I'm trying to wrap my head around how SQL Server decides to grant certain rights based on a users login privileges. If a user is part of a group "READ ONLY" which has access to DB1, but they are also ...
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1answer
74 views

Applying normalization to a relational Database (Access & SQL Server)

This question is pretty specific but I hope it can get answered on here. There is a wide range of information about normalization but I feel what I have read so far isn't as effective as just stating ...
1
vote
1answer
21 views

SQL Server 2012 Install error “The instance selected for installation is already installed and clustered on computer…”

I am trying to setup a new environment for SQL Server 2012 AlwaysOn. I inadvertently used some SQL Server 2008 config files initially to do the installs but ran into too many problems. I un-installed ...
1
vote
2answers
36 views

What backup/restore strategy can I use for the following scenario

We have two databases on a server which are being synced using back up and restore on a scheduled basis. Now, we would like to exclude a few tables getting affected by the back up and restore process. ...
0
votes
1answer
24 views

database roles name convention [on hold]

i want to ask if there is any name convention for sql server database roles, what is best practise or what i should follow. We have databases and a lot of people and i want to suggest some rules. ...
0
votes
1answer
70 views

Why can't modern databases have unlimited columns [on hold]

I am just curious as to why big open source and commercial RDBMSs can't, don't or won't implement unlimited columns per table? Is there a technical or business reason why this can't be done. MongoDB ...
1
vote
1answer
47 views

How to restore SQL Server 2008 R2 database to newly installed SQL Server 2008 R2 instance?

Our SQL database server recently suffered a serious OS failure and had to be reinstalled from scratch. We are now attempting to associate the restored database and transaction log files into the new ...
0
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1answer
44 views

SQL Server 2008 and constant expressions

If I have the following scenario, would Replace be evaluated a single time? DECLARE @text nvarchar(32) = 'This is a test field' SELECT textField FROM Table WHERE Id = @idICareAbout AND textField = ...
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0answers
22 views

SSRS URL Changes while navigating

I am trying to track down the root cause of this issue I keep seeing. We have SSRS running with a custom URL like https://reporting.companyname.com/reports. When I connect to that address I can ...
0
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1answer
52 views

Is it possible to trace the password the application is attempting to use to connect?

I have an application attempting to connect to SQL Server. The application connects using a SQL Server account. The password for this account was accidentally changed. Now the application is ...
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1answer
37 views

Maintenance plans

I am an accidental dba..I did post a message a while ago about Index fragmentation and some of you suggested maintenance plan and others suggested custom Olla's scripts. I have downloaded his scripts ...
3
votes
0answers
43 views

Need help with a Running Total Issue

Using SQL-Server 2008 R2 and Report Builder 3.0 Here is my query without the running total column: SELECT CostManagement_CommitmentDetails.Id ,CostManagement_CommitmentDetails.LineNumber AS ...
11
votes
2answers
249 views

Unexpected results with random numbers and join types

I have a simple script that gets four random numbers (1 through 4) and then joins back to get the matching database_id number. When I run the script with a LEFT JOIN, I get four rows back every time ...
3
votes
1answer
73 views

How do I login to SQL Server via group membership in another domain

When attempting to connect to SQL Server (2012), I get a login failed error message. The error log on the server reports: Logon Error: 18456, Severity: 14, State: 5. Logon Login failed ...
3
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0answers
26 views

Why is the lease locked for a some full sql backups to Azure Blob using Ola Hallengren backup scripts?

I'm using SQL Server 2012 and working on backing up to Azure Blob using Ola Hallengren backup scripts. Some backups are lease locked (ex. model) while others are not (ex. msdb). It's inconsistent, it ...
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2answers
29 views

Export structure and data without a wizard [duplicate]

Using Sql Server 2008 R2 (but I could possibly upgrade if required). I want to generate scripts for the database structure as well as the data for a schema. The Generate Scripts wizard does what I ...
2
votes
1answer
23 views

Restore backup to different filegroup

Using Sql Server 2008R2. I have a backup of a filegroup. Is it possible to restore this to a different file group (possibly even on a different database)? I have tried RESTORE DATABASE my_database ...
1
vote
0answers
30 views

Foreign Key constraint remain untrusted and disabled even after ALTER TABLE CHECK CHECK CONSTRAINT command [on hold]

In this database I support, there are more than a few FK constraints set as disabled or untrusted. I'm using this querys to find that out: SELECT 'ALTER TABLE [' + s.name + '].[' + o.name + '] WITH ...
3
votes
1answer
26 views

How to only restore a specific filegroup?

I am using SQL Server 2008R2 (but I can upgrade if necessary) I have a database with multiple schemas and each schema is on a different filegroup (I wish I could just backup/restore a schema but that ...
2
votes
0answers
37 views

ASSIGN value for cmd in sysprocesses? What does it mean?

We're seeing some strange blocking behaviour in a production (SQL Server 2008 R2) system that we're investigating, and it seems to have one consistent and novel element: in the sysprocesses table, the ...
3
votes
2answers
119 views

Can WAITFOR increase CXPACKET waits?

If I have some T-SQL code like this: While @done<1 Begin WAITFOR DELAY '00:00:30'; Set @done=<some select statement> End Is this likely to increase waits for CXPACKET? Presumably the other ...
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vote
3answers
70 views

Separate data from 1 column into multiple columns

Below is sample data and expected results: Table1: salesprice ItemNo Variant SalesCode UnitPrice A 1 SRP 100 A 2 SRP 200 ...
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0answers
28 views

Log shipping option not showing

I am using SQL Server 2008 R2 Standard Edition. I am trying to implement log shipping, but the log shipping option is not showing in the database properties window. The database recovery option is ...
0
votes
1answer
33 views

Restore Database with Multiple Restore commands

For automation, I have to dynamically construct the restore commands and thus I have created a script. A .bak file is created on a remote server and I receive it daily. The script builds the restore ...
0
votes
2answers
65 views

Trying to return empty rows even if data does not exsist in SQL

I am trying to return the last changed time for a list of users, but i would like to return a row even if the a last changed time does not exist select user_id, last_changed_time = ...
0
votes
1answer
16 views

Replicating tables from LAN database to web server?

I have an in-house database (that's actually part of a third-party product) running on 2008R2 Express. We'd like to display some of the data on a new website we're working on (running 2008R2). I'm ...
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votes
1answer
59 views

How to aggregate related rows

I want to group these related rows into trips (where each trip consists of a sequence from point 1->2->3->2->1). route Date time ------------------------------- point1 15/10/2014 ...
2
votes
3answers
93 views

What is the most effective way to discover all running instances of SQL Server using PowerShell?

I've been tasked with discovering all the instances of SQL Server that are running within our domain. In several cases there are multiple instances per server. I've seen two different PowerShell ...
2
votes
1answer
30 views

SQL Insert Statement Persists Two Records When I Need Just One

I have altered it to include hardcoded variables when I pulled this chunk of code from the stored procedure. I ran it independent of the application with the same result. I need one insert statement ...
2
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0answers
71 views

SQL Server mirroring causing issues

So we have a couple of SQL Server instances involved on mirroring without witness and operating mode is asynchronous in all cases. After we set put mirroring in place, we started facing connections ...
2
votes
2answers
212 views

How to use local variable in USE statement

How to use local variable in USE statement? I get error: Msg 911, Level 16, State 1, Line 6 Database 'DWSource_@Country' does not exist. Make sure that the name is entered correctly. Code: ...
-3
votes
0answers
30 views

Design a queue and table in SQL Server as per below data [on hold]

Design a queue that holds messages (varchar(100)) for any number of users. Each message also has a priority of 1, 2, or 3, with one being highest priority. When a user gets a message (DEQUEUE), they ...
1
vote
1answer
44 views

TempDB not selectable for DBCC maintenance plan

I'm trying to clean up some of our maintenance plans and noticed that our TempDB is not getting it's weekly dose of DBCC CHECKDB goodness. I've tried to go into the maintenance plan and make sure ...
2
votes
3answers
202 views

Run multiple stored procedures in sequence

I have a stored procedure written in T-SQL (SQL Server 2008 R2). It is a master procedure that essentially call multiple other subprocedures in sequence. The call and error handling is identical for ...
0
votes
0answers
31 views

How can I speed up MySQL Workbench in a SQL Server to MySQL conversion? [closed]

I am using MySQL Workbench to convert a 9GB SQL Server database (2012) to MySQL 5.6 on the same AWS Windows machine. (It's an r3.2x large, 8 vCPUn, 26 ECU, 61 GB RAM). It has been running for about ...
1
vote
3answers
81 views

Tracking Down Application Timeout Errors in SQL Server

SQL Server 2008 SP3 How do I track down these timeout errors ? The errors are displayed on an intranet dashboard used specifically for error reporting in IIS. My suspicion is that there is a ...
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0answers
22 views

Sql server 2012 log file growth of cdc enbled db

All, I have cdc enabled on a Sql Server 2012 database that is a primary db in transactional replication and the primary in a availability group. The log file is a little over 95 GB, a historic high. I ...
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vote
3answers
62 views

Deploying SQL Server database changes from test to production server

I have a high availability production server that runs SQL Server. It is constantly being read/write to by hundreds of users. I have an exact copy of the database on a testing server and do all the ...
1
vote
1answer
64 views

Unable to restore database

I am trying to restore several databases and I have no clue why some of them fail with the following error: Msg 3634, Level 16, State 1, Line 1 The operating system returned the error '1244(The ...