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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Converting char to varchar columns increases database size

I have a database (SQL Server 2005) with thousands of char columns. I want to convert these columns to varchar, then I follow this steps: Shrink Database Check the current stats, general and ...
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1answer
465 views

How to update SQL Server 2005 clustered instances?

We have a 3 node cluster with an instance running on each. Windows 2003 R2 32bit (16GB) / SQL Server 2005 I want to bring them all up to build 9.00.5266 (SP 4 + CU3) (1 Node is already updated) The ...
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0answers
362 views

SQL Server 2008 installation errors [closed]

I am stuck here. I tried reformatting my laptop, re-installing SQL Server 2008 but I keep getting these errors. I don't know what to do. I really need this program for my project. Damn. I got these ...
5
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1answer
242 views

Full Text Index and database structure

First forgive me, I am not a DBA and our company really doesnt have one. I am a developer and Googling for answers is just not helping any more. Thanks in advance. My question is on optimal structure ...
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4answers
550 views

SQL Server Table Backup

A friend of mine has run into this problem on SQL Server 2008, please suggest a solution: He came to know that auto backup scheduled on server were not taking place since last couple of days, when he ...
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2answers
634 views

SQL ODBC silently truncating numeric data

We have a middleware that replicates data from an Oracle (11g) database to a SQL Server (2012) using ODBC connection to the destination. One of the tables has a NUMBER data type on Oracle and given ...
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2answers
1k views

Error creating database in SQL Server Management Studio. (Could not load file or assembly 'Microsoft.SqlServer.Sqm)

I'm trying to create a new database in SSMS, but I get this error: Could not load file or assembly 'Microsoft.SqlServer.Sqm, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91' or ...
2
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1answer
723 views

SPIDs stuck indefinitely in suspended state

I have a few application servers that all connect to a central database server. The applications execute stored procedures (that get XML) on the database. Every once in awhile a transaction will get ...
9
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2answers
14k views

What is the fastest way to insert large numbers of rows?

I have a database where I load files into a staging table, from this staging table i have 1-2 joins to resolve some foreign keys and then insert this rows into the final table (which has one partition ...
2
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1answer
393 views

Specifying columns in LEFT JOIN through subquery beneficial performance wise?

I'm trying to understand how JOINS are handled, and was wondering about the following: Imagine a big query concerning a lot of tables, I'm really looking for small optimizations as it's a pretty ...
1
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1answer
125 views

Trigger to restrict users from creating a new table in the database

How do I create a SQL Server trigger that will restrict any users from creating a new table in the database? Please help me with this. Thanks & Regards, Ritesh.
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2answers
144 views

Why is an entire index that is infrequently used stored in the buffer pool?

I have been looking at the memory usage of a server and noticed something odd when drilling into the details. One index is eating up ~15GB of the buffer pool. That happens to be the size of the entire ...
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0answers
485 views

Error: 18456, Severity: 14, State: 11 [closed]

I have a brand new server (VM) just built. I installed SQL Server 2008 R2 and applied SP2. I opened an RDP session in console mode as myself. During installation I had the Windows AD group for the ...
5
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2answers
3k views

Does the Sql Server Agent account need sysadmin permission?

I ran Brent Ozar's sp_blitz script, and one of the things it's complaining about is that my SQL Server Agent account has sysadmin permission. I removed the sysadmin permission, but then the agent ...
5
votes
1answer
363 views

SQL Server 2014 In Memory OLTP - Garbage Collection on Transaction Rollback

In SQL Server 2014, In Memory OLTP, What happens, if a transaction is rolled back and newly created version of row is no more required. Is it duty of garbage collector to remove even such type of rows ...
3
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1answer
174 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. ...
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2answers
5k 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' ...
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2answers
952 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 ...
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0answers
308 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 ...
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0answers
105 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 ...
2
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2answers
13k 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
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1answer
105 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 ...
3
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4answers
10k 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 a built a virtual PC with Windows Server 2008 R2 and SQL ...
2
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2answers
4k 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 ...
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1answer
197 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
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1answer
52 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 ...
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2answers
43 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, ...
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2answers
942 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 ...
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0answers
285 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 ...
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0answers
85 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 ...
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0answers
578 views

SQL Server Configuration Manager 2012 - TCP/IP, 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
1k 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 ...
22
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2answers
3k 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 ...
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0answers
59 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
1answer
632 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 INSTANCE) on a cluster. I also have 2 network interfaces for this instance: SQLINSTANCE.my.metwork ...
2
votes
2answers
8k 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) ...
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2answers
14k 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
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1answer
332 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
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0answers
38 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
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2answers
312 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
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2answers
5k 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
32 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
1k 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
290 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
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2answers
1k 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
435 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
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1answer
127 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
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1answer
1k 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 ...
2
votes
1answer
58 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 = ...
0
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0answers
500 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 ...