All versions of Microsoft SQL Server (not MySQL). Please also add a version-specific tag like sql-server-2016 if that is relevant to the question.

learn more… | top users | synonyms (2)

3
votes
1answer
313 views

Can you restore log file backups to a mirror database after failure?

Purely a theoretical question as I've been considering possible DR scenarios... In this scenario: The link between a principle and a mirror server becomes unavailable for a period of time (e.g. ...
3
votes
2answers
9k views

Restore .Bak file to different Server

I Copied some database backups from one server to another server(new instance no databases are present).I tried restoring using below command Restore database dbname from disk='g:\e2bak\dbname.bak' ...
1
vote
2answers
2k views

semaphore in SQL Server

I wrote a stored procedure in sql to take a number from table. it has lots on records which has only column. whenever a call it , is should take the first record and return it after that delete the ...
1
vote
0answers
514 views

SQL command in stored procedure continue on error

To perform Checkdb on all database of server i am using a stored procedure which loops over a view which contains list of databases in server and the stored procedure performs checkdb on all databases ...
2
votes
0answers
134 views

WMI event alerts

I am trying to understand WMI event alerts and have implemented a mirror with alerts on DATABASE_MIRRORING_STATE_CHANGE such that all database failover if the state is either 7 or 8 (manual failover ...
5
votes
2answers
30k views

How can I dynamically alias columns?

I have a table (not designed by me) which has 20 variably named columns. That is, depending on what type of record you are looking at, the applicable name of the column can change. The possible ...
0
votes
1answer
108 views

SQL Server database recovery

By mistake one of my colleague in the office has restored .mdf and .ldf files of another database to production with existing database name. So existing database was overwritten with new backup. Is ...
5
votes
4answers
18k views

Changing IP address of SQL Server 2008 R2

I would like to know if there are any dangers or relevant precautions before changing the IP address of a SQL Server 2008 R2 box. We have built a virtual PC with Windows Server 2008 R2 and SQL Server ...
3
votes
2answers
9k views

Best practice to avoid a composite key?

Suppose my students fill every year a survey, containing some questions (called fields) which answer is real-valued (called value). Every student may answer the survey, at most once a year. A simple ...
1
vote
1answer
255 views

Using “Generate Scripts” with EMERGENCY/SINGLE USER mode

I am trying to create an INSERT script to salvage data from a single table in a corrupt database. I've succesfully put the database online and put it in EMERGENCY / SINGLE USER mode (following this ...
5
votes
1answer
58 views

Is it possible to decouple row size estimation from maximum column width?

In other words, is it possible to declare a column VARCHAR(n) and have the estimated size be something other than n/2? An example use-case might be storing URLs - you expect most to be relative and ...
1
vote
2answers
62 views

Multiple “model” DBs — or db creation 'profiles'

I know you can't actually have multiple 'model' DBs on the same server instance. BUT, I'd like to have something almost like it. Basically, we have a business model where each customer is its own DB, ...
8
votes
2answers
2k views

Is adding index on bit column significantly slow down inserts?

I have a table with about 1 million to 5 million records. Small part of that records have one of bit column set to 'TRUE'. Need to fast find that records. I think that index can speed up searching on ...
1
vote
0answers
484 views

Deny permissions for master in SQL Server

I created a new database on a SQL Server 2008 R2 instance and a login/user for it. I have set the user to db_owner so he can't view any other databases on that server but he can see and query the ...
1
vote
0answers
112 views

In SQL Server sp_cursorprepare/sp_cursorexecute run extremely slowly

I'm running an application (Pentaho user console with the Saiku Ad-hoc plugin) which creates a query and runs it using sp_cursorprepare & sp_cursorexecute standard stored procedures. My model is ...
3
votes
2answers
948 views

SQL Server Configuration Manager 2012 - unable to set IP All = No

I have a 4-node SQL Server 2012 SP1 cluster, and under Network Configuration -> TCP/IP -> Protocol (tab), I am able to switch Listen All from Yes to No. However, when I hit OK (or Apply), I get the ...
3
votes
1answer
2k views

How can I search SQL Server for maintenance plans that execute specific tasks?

Sometimes certain SQL Server maintenance plan tasks can be problematic, like Shrink Database, Rebuild Index, Update Statistics, etc. I'd like to search for the use of one or more of these tasks on an ...
24
votes
2answers
4k views

Why does query error with empty result set in SQL Server 2012?

When running the following queries in MS SQL Server 2012 the second query fails but not the first. Also, when run without the where clauses both queries will fail. I am at a loss why either would fail ...
0
votes
0answers
131 views

Do link servers cache remote database connections?

I have set up a link server from a database server (SQL2008) to my local SQLEXPRESS db, using the actual database as its Failover Partner. I then stopped the SQLEXPRESS service and I could still ...
2
votes
2answers
2k views

How to allow connections to SQL Server with 2 differents ip

I have a small issue here: I have a SQL Server instance 2012 (let's call it SQLINSTANCE) on a cluster. I also have 2 network interfaces for this instance: - SQLINSTANCE.my.network - SQLINSTANCE.mgt....
4
votes
2answers
29k views

Script to see running jobs in SQL Server with Job Start Time

how to write script to see running jobs in SQL Server with Job Start Time? SELECT sj.name, sja.run_requested_date, CONVERT(VARCHAR(12), sja.stop_execution_date-sja.start_execution_date, 114) ...
4
votes
2answers
34k views

How to Create users in sql server for accessing only one database using Management Studio [closed]

How to Create users in sql server 2008 R2 for accessing only one database using Management Studio. regards, salman
1
vote
2answers
514 views

DB Locks - How would one handle long transactions and maintain high concurrency?

We're maintaining a POS/WMS Application built in powerbuilder that runs on SQL Server 2008 R2 backend. Recently, we've been having a lot of locking issues and I believe it has to do with how we handle ...
0
votes
0answers
39 views

I need advise on if I should rebuild my index [duplicate]

I have a SQL Server 2008 Standard server on full mirror (safety). I reorganize all indexes weekly. I am looking into rebuilding a few indexes to improve performance. I ran DBCC SHOWCONTIG on my ...
0
votes
2answers
563 views

Do I need to have enterprise server in order to have multiple data sources in SSRS

I am currently running a single server setup of SSRS on MSSQL Server 2008 R2 Standard Edition and would like to know if I can have multiple data sources in this type of setup. The reason I ask this ...
6
votes
3answers
12k views

How to export all the security-related information from a SQL Server database

As you guys probably know, SQL Server does not provide an out-of-the-box solution to export all the security related statements that are declared for each element in the database (both at the database ...
1
vote
1answer
37 views

How to fix SQL Server instances with different builds on same server?

I have a Windows 2008 box and there are 5 instances of SQL Server 2008 Standard installed. After that, SQL Server service pack patched. Weird thing is: the builds for those instance are different. ...
8
votes
2answers
2k views

Data Warehouse design for reporting against data for many time zones

We are trying to optimize a data warehouse design that will support reporting against data for many time zones. For example, we might have a report for a month's worth of activity (millions of rows) ...
1
vote
0answers
465 views

Timeout while using table valued parameter

I'm trying to find the cause for this error while calling a stored proc with a table valued parameter: Error: System.Reflection.TargetInvocationException: Exception has been thrown by the target ...
0
votes
2answers
2k views

Join two subquery in hql

How can I write this sql query in as hql: select count(distinct s.id) as prepaid, count(distinct ss.id) as postpaid from (select * from subscriber where subscriber.ispostpaid=0) s join (select * ...
0
votes
0answers
606 views

How to update local database data from an online database? [closed]

I have an online database and a local database. How can I update the local database data (only data and not the structure) from the online DB in my application ? The idea is to have an update data ...
0
votes
1answer
175 views

SQL Case Sensitive Query

I have two databases which return different results based on the case of the query. On the first database I run the query FROM [Temp].[Team].[CLASS] WHERE [TABLE_NAME] like '%Link%' and on ...
4
votes
1answer
2k views

SQL Server CPU spikes - possibly non-query related - suggested indicators

I'm looking for suggestions for indicators I could monitor to discover what is causing these cpu "blunted spikes". Some known information: sqlserver.exe is confirmed as the process consuming the ...
3
votes
1answer
63 views

Single statement or batched delete?

I need to delete 6.3 million records from 25 tables in production. I have the following two queries, but I don't know which one will be best: delete jc from Jtable jc join J1Table j on j.JobId = jc....
1
vote
0answers
884 views

Based on these DBCC SHOWCONTIG stats, should I index this table?

I have a SQL 2008 Standard server on full mirror (safety). I reorganize all indexes weekly. I am looking into rebuilding a few indexes to improve performance. I ran DBCC SHOWCONTIG on my largest, most ...
3
votes
1answer
1k views

Speed of Searching Text vs INT/BIGINT - SQL Server 2012

I am building an application that will need to handle extremely high amounts of traffic. The traffic will consist of incoming requests for information from a SQL Server 2012 database. When a request ...
2
votes
0answers
222 views

SQL Server Database errors 8935/8934/8977

I received a database from a customer, that i have to try to recover. I'm facing some problems, specifically with the following errors: (Error, Level, State, MessageText, RepairLevel, Status, DbId, ...
0
votes
1answer
71 views

Issues restoring db [closed]

So I had initially received the 'database in use' error, searched for a solution on Google, was led to believe that I might need to change the default db account connects to, changed it and am still ...
4
votes
2answers
10k views

Are there advantages to using temporary tables over derived tables in SQL Server?

I read the derived tables have better performance than temporary tables, but anyway many SQL Server developers prefer the second ones. Why? I must do queries with large data (millions records) and I ...
1
vote
1answer
42 views

Case when missing line logic

I have a case when statement in a extract query which doesn't seem to be returning what i'm expecting DECLARE @Val1 int, @Val2 int,@Val3 int, @Val4 int, @Val5 int SELECT @Val1 = 5 , @Val2= 2,@Val3= ...
11
votes
1answer
3k views

How do I determine if a SSIS transform is non-blocking, partially blocking, or fully blocking?

There are several blogs which claim to categorize SSIS Transforms into blocking (asynchronous), non-blocking(synchronous) and partially blocking(asynchronous). When looking into the specific question:...
1
vote
1answer
107 views

Reconciling @@TRANCOUNT

Running SS2005. I have a script that calls procedureA which in turn calls procedureB. procedureA has no explicit transactions. procedureB is split up into several small blocks of non-nested BEGIN ...
0
votes
1answer
38 views

What is the log backup schedule?

I need to see the log backup schedule for a database. Where is this information located in SQL Server Management Studio?
1
vote
1answer
790 views

CDC not picking up changes [closed]

CDC has been set up for one of our databases in our test environment but it's not capturing any of the changes. I've made sure the capture job is running. I've disabled CDCs for the database, enabled ...
0
votes
0answers
54 views

Import and export data from SQL Server table using query [duplicate]

I need to import and export data from a table using a SQL query so I need query example for importing and exporting data. I don't want to export it to txt file as the data is not getting aligned. I ...
1
vote
4answers
18k views

Reset SQL Server sa password [duplicate]

I need to recover my SQL Server 2008 user/pwd. The situation is: I don't know the SA password and Windows Authenticated user is no longer active user (disable user because the user has left job) so ...
5
votes
2answers
30k views

Copy a large data from sql query result

In my sql server 2008, after running the query the data return is very huge say in millions. I tried copying but it gives an exception sql memory error. Can you let us know how can i copy the entire ...
3
votes
3answers
3k views

Best practices for configuring the Drive/Filegroup setup for Microsoft SQL 2008

I am a software developer for a small company. I wish we had a dba but that is not on the cards at this point. I was working on migrating our 75GB SQL Server 2000 database to SQL Server 2008 R2. The ...
3
votes
1answer
794 views

Check constraint for Canadian postal code?

Is there a way to check if a Canadian postal code is valid? Not sure if something like this would work: PostalCode varchar(10) CHECK(PostalCode>='t1w1v1' and PostalCode<='t9w9v9'
2
votes
1answer
829 views

How can I use running total aggregates in a query to output financial accumulations?

I am attempting to write a query that will be consumed by a SSRS 2012 report. Given a paid invoice, with a certain set of account allocations towards which the money paid towards it must be saved, I ...