This Tag is for SQL Server 2008 R2, major build version 10.50.xxxx

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14
votes
1answer
16k views

Upgrade SQL Server 2000 database to 2008 R2 and enable new features

I have recently upgraded SQL Server 2000 database to 2008 R2. What I did was: Shutdown SQL Server 2000 (express) service on old machine, Move datafiles (mydatabase.mdf and mydatabase.ldf) to new ...
22
votes
2answers
21k views

What is the actual behavior of compatibility level 80?

Could somebody provide me with a better insight about the compatibility mode feature? It is behaving different than I expected. As far as I understand compatibility modes, it is about the ...
22
votes
3answers
2k views

difference in execution plans on UAT and PROD server

I want to understand why there would be such a huge difference in execution of the same query on UAT (runs in 3 sec) vs PROD (run in 23 secs). Both UAT and PROD are having exactly data and indexes. ...
3
votes
2answers
1k views

Database defragmentation and autogrowth settings

We do have some maintenance plan for our SQL Server 2008 r2 express. Every month we do de-fragmentation of the database if any table has page count more than 50 for any table and average fragmentation ...
9
votes
2answers
5k views

How to create an Event Notification that runs a Job/procedure when mirroring state changes

I'm asking this question in the sequence of this one Can I send a string over TCP using T-SQL? Remus Rusanu exposes what it seems to be an optimal solution for my problem, but... I'm too immature to ...
41
votes
4answers
14k views

What are Objective Business Reasons to Prefer SQL Server 2012 over 2008 R2?

My company is facing the decision whether to purchase SQL Server 2012 Denali or SQL Server 2008 R2 for a new database server. I am looking for objective reasons to choose one over the other. Our ...
11
votes
3answers
711 views

What is a deterministic method for evaluating a sensible buffer pool size?

I'm trying to come up with a sane way to understand if the max server memory (mb) setting is appropriate (either should be lower, or higher, or stay the way it is). I am aware that max server memory ...
6
votes
2answers
17k views

SQL Server Transaction Timeout

Is there a way in SQL Server 2008 R2 to cause a timeout for a database modification involving a transaction? We have a scenario where our application code hangs or throws an exception and fails to ...
3
votes
4answers
39k views

List all permissions for a given role?

I've searched around all over and haven't found a conclusive answer to this question. I need a script that can give ALL permissions for an associated role. Any thoughts, or is it even possible? ...
39
votes
5answers
21k views

Why does ALTER COLUMN to NOT NULL cause massive log file growth?

I have a table with 64m rows taking 4.3 GB on disk for its data. Each row is about 30 bytes of integer columns, plus a variable NVARCHAR(255) column for text. I added a a NULLABLE column with ...
3
votes
1answer
2k views

SQL Server Many-to-One replication

I have 8 individual SQL Server 2008 R2 machines, each hosting 1 database. Each database has an identical table structure and schema, and entirely unique data. I would like to establish a reporting ...
31
votes
3answers
3k views

Unexpected scans during delete operation using WHERE IN

I've got a query like the following: DELETE FROM tblFEStatsBrowsers WHERE BrowserID NOT IN ( SELECT DISTINCT BrowserID FROM tblFEStatsPaperHits WITH (NOLOCK) WHERE BrowserID IS NOT NULL ) ...
28
votes
2answers
9k views

I/O requests taking longer than 15 seconds

Usually our weekly full backups finish in about 35 minutes, with daily diff backups finishing in ~5 minutes. Since tuesday the dailies have taken almost 4 hours to complete, way more than should be ...
18
votes
2answers
5k views

LIKE uses index, CHARINDEX does not?

This question is related to my old question. The below query was taking 10 to 15 seconds to execute: SELECT [customer].[Customer name],[customer].[Sl_No],[customer].[Id] FROM [company].dbo.[customer] ...
7
votes
2answers
13k views

SQL Server gets slow over time until we have to restart it

We have a database with a mixed OLAP/OLTP workload. The queries are quite ad-hoc and are dynamically created in the mid-tier application server. When we start the server, the performance is quite ...
10
votes
2answers
9k views

Need to understand parallel query execution error

Today we experienced a degradation in performance on our production sql server. Durring the time this occurred we logged several "The query processor could not start the necessary thread resources ...
8
votes
1answer
3k views

Trouble With Database Permissions for sp_send_mail

I am trying to send database mail but I am getting EXECUTE permission denied on the object 'sp_send_dbmail' database 'msdb', schema 'dbo'.. I code I am running is as follows: SELECT SUSER_NAME(), ...
5
votes
5answers
31k views

Why is SQL Server consuming more server memory?

Sqlserver is consuming 87.5 % of my server Ram. This recently causes alot of performance bottleneck such as slowness.I Research on this issue. One common solution i could find on the internet is to ...
4
votes
5answers
18k views

Convert varchar column to datetime

In SQL Server, I have a varchar column with value such as: 07/May/2012:00:06:22 07/May/2012:00:06:22 07/May/2012:00:06:22 07/May/2012:00:06:22 07/May/2012:00:06:22 QUESTIONS How do I convert ...
7
votes
2answers
13k views

Sql Server - Best Practices for Growing Database Files

I have been monitoring file growth via the data collector in sql server 2008 r2 for two weeks. The database is growing consistently at around 35(MB)/Day. The DB has not yet hit the initial size of 2 ...
13
votes
1answer
18k views

SIMPLE or FULL recovery model for databases?

When should I use the full recovery model and when should I use the simple recovery model for databases? I always used the full recovery model because it is the default, but today i encountered this ...
14
votes
3answers
3k views

Is there any benefit to defragmenting SQL indexes in a SAN environment?

Our SQL server lives on a SAN. It contains dozens of OLTP databases, some with several tables containing over 1m records. We have been running Ola Hallengren's index maintenance scripts weekly, and ...
20
votes
3answers
8k views

Adding columns to production tables

What's the best way to add columns to large production tables on SQL Server 2008 R2? According to Microsoft's books online: The changes specified in ALTER TABLE are implemented immediately. If the ...
15
votes
2answers
662 views

Setting up a central CLR stored procedure / function respository library for internal stored procs in other databases to use?

I would like to use code that I developed in C# CLR to be used in all of the databases on the system so that I don't have to set each to trustworthy and turn CLR on and keep a bunch of the same code ...
8
votes
3answers
637 views

Would it be considered as a bad practice to have multiple nullable FKs on a table in SQL Server

On my database structure in SQL Server, I have 3 types of products which requires different information about the order. So, I created one Customers table and three different orders tables: ...
4
votes
3answers
5k views

How to move data from big table

There is a big table (5-6 million records). I have to move 90% of old records to other database(table). Solution?
3
votes
3answers
174 views

Restore a large number of transaction logs

I'm using SQL Server 2008 R2, and I need to restore 36 .trn logs to a database. I have restored the first 4 using the restore transaction log functionality in SSMS (right-click database > tasks > ...
6
votes
4answers
17k views

SQL Server 2008 R2: Problems after computer name change

I'm having a confusing problem after changing the computer name of a remote server hosting a local SQL Server instance. Basically, a remote server was moved from one site to another. In order to ...
5
votes
1answer
8k views

SQL Server Maximum and Minimum memory configuration

What are the correct settings for min-memory and max-memory in this use case? The server has 8GB ram, dual Intel Xeon processors, running Windows Server 2008 R2 / Sql Server 2008 Standard Edition. ...
4
votes
2answers
4k views

Microsoft SQL Server 2008 Memory

I am running MSSQL 2008 Enterprise and in the configuration of the server the Max memory amount is set to 2147483647 MB. My Question is, the server has 192 GB of ram,the number in the config can't be ...
2
votes
2answers
25k views

Cannot connect to my local instance

When I connect to my local server, I get this message A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not ...
1
vote
1answer
85 views

Moving SQL Server 2012 Database to SQL Server 2008 R2

I follow the answer of Mr. Kin in this post How to move a database from SQL Server 2012 to SQL Server 2005 I run the query without errors, but when I check my blank database created on SQL Server ...
-4
votes
1answer
696 views

Why does a VIEW with a CLUSTERED index not use the index?

I have a view that has a clustered index along with other non-clustered indexes. A simple SELECT query does not use any of the indexes even when I select an indexed column. What could be the ...
11
votes
2answers
6k views

SQL Server 2008 - Partitioning and Clustered Indexes

So let me preface by saying I do not have total control over my db design, so a lot of the aspects of the current system cannot be changed for the purposes of this scenario. Comments about how we ...
5
votes
2answers
5k views

identify blocking and send alert

I need to create an alert that will notify me when any query has been blocked for more than 60 seconds. For example if someone has a transaction open on a table and forgets to run a commit or a ...
5
votes
2answers
6k views

Splitting TempDB into multiples files equal to number of CPUs

The article SQL Server tempdb Best Practices Increase Performance suggests that I should split tempdb into a number of files equal to the number of cores. So for 4 cores you get 4 files. By ...
11
votes
1answer
816 views

Behavior of data in indexes based on fill factor

Let's say you have a database where the default fill factor is 20. Whenever data is inserted, does it only create pages filled up to 20%? From my understanding, when the data is inserted there ...
2
votes
1answer
2k views

SQL Server 2008 R2 sys.dm_exec_sql_text question

If i run the following query on our production server: SELECT DISTINCT TOP 10 t.TEXT QueryName, s.execution_count AS ExecutionCount, s.max_elapsed_time / 100000 AS MaxElapsedTime, ...
10
votes
4answers
9k views

How to revive SQL Server 2008R2 performance counters?

I'm running SQL Server 2008R2 Developer on W7 x64, as the default instance. For some reason, SQL Server's performance counters seem to have disappeared. SELECT * FROM sys.dm_os_performance_counters ...
7
votes
2answers
191 views

Can I use transaction logs to rebuild a database?

We've had some data loss and don't have a reliable backup it seems. We do have HUGE transaction logs and there was some thought that we might be able to use these to get back to a certain point. Is ...
6
votes
2answers
711 views

Is there a limit to how many credentials SSMS can remember?

Using SQL Server Management Studio that came with SQL Server 2008 R2, I make connections to the same server using a number of different sets of SQL Server Authentication credentials. On my development ...
6
votes
3answers
12k views

Get Job id OR Job name from within executing job

I have a central DB that I write job outcomes on all my servers back to. I pass 3 parameters via powershell in a SQL job back to a sp on the central server that verifies the job should be running at ...
2
votes
1answer
12k views

How to find which tables and views a user has access to?

We have a SQL Server 2008 database and have restricted all tables and views away from a specific user ID. Over the years we have granted back tables and views one at a time based on user need. We ...
2
votes
1answer
5k views

Migrating from SQL Server 2005 to SQL Server 2008 R2 on a different box

We currently have a SQL Server 2005 instance hosting a lot of application specific databases (ArchiveManager, SolarWinds, Kaspersky etc). We are planning to deploy a new SQL Server 2008 R2 instance on ...
18
votes
1answer
12k views

SLEEP_TASK Wait Type in SQL Server - What does it indicate?

I haven't seen the SLEEP_TASK wait type before, and today I seem to be getting a ton of them. I'm not the official DBA, just a SQL Server developer who knows some DBA stuff. We upgraded our servers ...
7
votes
1answer
1k views

Why does the order of parameters matter for sp_trace_create?

The first batch of the following script calls stored procedure sp_trace_create with parameters in documentation order; the second batch swaps the positions of parameters @tracefile and @options: ...
5
votes
1answer
410 views

Disabling SET Statements / Forcing SET Options in SQL Server 2008R2/2012

I am currently working with a MSSQL 2008R2 Database which uses the following SET-Commands frequently: SET ANSI_NULLS { ON | OFF } SET QUOTED_IDENTIFIER { ON | OFF } SET ANSI_PADDING { ON | OFF } ...
5
votes
1answer
2k views

How to migrate between schemas in bulk in SQL Server?

We currently have multiple databases but would like to combine them and, instead, separate our domain contexts using schemas. In MS SQL Server 2008 R2, how can I relocate all the contents of one ...
5
votes
6answers
2k views

Backup very large table

I have to update certain values of a large table (for the sake of a presumed example, it is called 'Resource' and it is over 5M rows) and thus I have to make a backup before performing the changes. We ...
5
votes
1answer
1k views

Mitigate negative effects of shrinking

Closely related to this question from a few weeks ago, but the answers didn't discuss how to do the dirty deed. Here's the situation: We now 15 GB data in a database, but a logging bug in an ...