This tag is for SQL Server 2008, major build version 10.00.xxxx.

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1answer
635 views

Are SQL Server Database writes slower with Snapshot Isolation?

I have a lot of deadlocks going on in my system. I would like to use Snapshot Isolation to fix them, but my DBA has reserves about it. One of his concerns is that Snapshot Isolation slows down ...
8
votes
5answers
211 views

What is the best way to find out how many records do not have a proper phone number in SQL Server?

I have a field that people historically could use to freely supply a value. I need to identify the records which do not have an appropriate value so I can clean them. I've been looking around in SSIS ...
8
votes
1answer
245 views

What does “*password------------” mean in a profile deadlock report?

In SQL Server 2008 R2, I got several deadlock reports that have "*password------------" in the input buffer. It looks like an attack but in that case I don't know the reason or the kind of attack. ...
8
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2answers
6k views

Can Windows Authentication logins be disabled on SQL Server 2008 (or R2)?

So we can do Windows Login or Mixed Mode, but can we configure SQL Server to only use internal logins and to block all Windows Logins? Is the only solution to add all potential Windows logins and set ...
8
votes
1answer
364 views

Does SQL Sentry Plan Explorer count the reads in UDFs?

I have a query like this: select dbo.fn_complexFunction(t.id) from mytable t In SQL Sentry Plan Explorer, I noticed I have to run Get Estimated Plan in SQL Sentry to make the Query Plan include the ...
8
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5answers
879 views

SQL Server 2008 and extended properties [closed]

In SQL Server, what do you guys use extended properties for? Some articles and blogs are suggesting they be used for self-documentation of the database and its objects but I can't see this being used ...
8
votes
1answer
707 views

Why is “Lookup” colored as a function reserved word in SQL Server?

In SSMS 2208, the identifier "Lookup" is colored hot pink as if it were a function (same color as, say, "Power" or "Convert"). Why? I cannot find it in the official list of reserved words. Searches ...
8
votes
1answer
6k views

How and when does SQL Agent update next_run_date/next_run_time values?

I've been working on code in T-SQL to add new schedules to a SQL Agent job using the sp_add_jobschedule proc in the msdb database. When I add a new schedule (typically a run-once at a specific ...
8
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3answers
7k views

When should indexes be dropped and recreated?

We are constructing a data warehouse that initially will be 1 TB and will grow around 20gigs every month. For certain tables we are doing daily ETL processes and others we are doing weekly/monthly. ...
8
votes
2answers
31k views

How to create Sql Server login for a domain account?

All, I have Sql Server 2008 installed on a server (let's say Server1) in a Domain (let's say AD). I also have a domain account called AD\Sql1. This is not an Admin account on the Domain (AD), but I ...
8
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2answers
2k views

SQL Disk Setup Advice - TempDB, Log DB, Data file placement question

We have a very active database server with a ecclectic collection of applications running on it. Two of the busiest are a Laserfiche database that does document scanning and workflow processing all ...
8
votes
3answers
21k views

SQL Server NTFS allocation unit size

On Windows 2008 R2 running SQL Server 2008 R2 how imporatant is the NTFS allocation unit size on DISK IO performance. It appears to me that server admin who built the few servers for a mission ...
8
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2answers
935 views

How much “Padding” do I put on my indexes?

How do you know how much "Padding" an index should have?
8
votes
1answer
107 views

How to set up indexed view when SELECTing TOP 1 with ORDER BY from different tables

I am struggling to setup an indexed view in the following scenario so that the following query performs without two clustered index scans. Whenever I create an index view for this query and then use ...
8
votes
2answers
5k views

why is io_stall_writes_ms so much higher for tempdb?

We have the user and system data files on the same disk drive. The ( io_stall_write_ms / ( 1.0 + num_of_writes ) ) is below 2 for the user files but the tempdb files are typically over 400. I see ...
8
votes
1answer
432 views

What is the actual lowest possible positive REAL number

MSDN says that the range of REAL numbers is - 3.40E + 38 to -1.18E - 38, 0 and 1.18E - 38 to 3.40E + 38. Apparently the true lower limit is much lower. The following script populates a REAL column ...
8
votes
4answers
8k views

Can I export a maintenance plan without using Integration Services?

I'm trying to export a simple maintenance plan from an SQL Server instance. I want to check the export into source control, and apply the exported maintenance plan to functionally identical ...
8
votes
1answer
883 views

How to get accurate query performance?

I'm attempting to improve performance of a stored procedure. When I run the SP, it finishes almost instantly, as if something were cached. I was told to use the following two lines of SQL before ...
8
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1answer
3k views

noexpand hint for non-enterpise edition and performance

I have to use Indexed views to reach performance. As I can see from this comparison table standard edition does not support indexed views. But BOL says: Indexed views can be created in any ...
8
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3answers
1k views

Query is slow for certain users

I have a couple queries called from a C# .NET web application which are always fast for me (I am an local admin on the SQL Server) but for a group of users (domain group with required permissions), ...
8
votes
3answers
16k views

How to prevent transaction log getting full during index reorganize?

We have multiple machines where we have pre allocated the size of the transaction log to 50gb. The size of the table that I am trying to reorganize is 55 - 60 gb but is going to continuously increase. ...
8
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3answers
2k views

How recording of every change of a row in a database is generaly stored?

In a project I'm working on, every change to the rows in some tables of the database must be tracked for further audit or rollback. It must be easy to find who modified the row, from which IP address ...
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2answers
477 views

Mirroring the Distributor

Has anyone had success with mirroring the distribution database? We have a dedicated server as a Distributor. It handles all our push replication from prod to reporting. We'd like to build an ...
8
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1answer
378 views

Strategies for organising SQL Server with large amount of RAM

We now have a new server for our DB and amongst other things we have 128GB of RAM available (previously I had 16GB) . I know SQL Server is very good at managing it's resources, but I was wondering if ...
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2answers
4k views

Turning off auto shrink on all SQL Server databases. Why doesn't this work?

I figured I could use sp_MSforeachdb to solve this problem, but I get an error message. sp_MSforeachdb ' BEGIN USE [?] DECLARE @dbid INT SET @dbid = DB_ID() IF(@dbid > 4) BEGIN --PRINT ''[?]'' ...
8
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1answer
54k views

ODBC Data Source SQL Server Connection - Login Failed For User

I have moved my database from an SQL 2005 to a server with SQL 2008. I am now trying to create an ODBC Data Source. I am using "With SQL Server authentication using a login ID and password ...
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3answers
4k views

SQL Server 2008 datetime index performance bug

We are using SQL Server 2008 R2, and have a very large (100M+ rows) table with a primary id index, and a datetime column with a nonclustered index. We are seeing some highly unusual client/server ...
8
votes
1answer
8k views

BULK INSERT permission on a single database

I work on a company that has straight IT security manners. I was hired as a Database Analyst in order to optimize some processes in our team. The problem is that I only have read and write permissions ...
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2answers
4k views

SQLCMD Mode in SSMS and @@variable expansion

When using the SQLCMD mode withing SSMS (not from the commandline), is there a way to assign the current server and instance to a variable? This is different and distinct from assigning ordinary TSQL ...
8
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3answers
90 views

Lots of “FETCH API_CURSOR0000…” on sp_WhoIsActive ( SQL Server 2008 R2 )

I have a strange situation. Using sp_whoisactive I can see this: Ok, with this query, I can see what is triggering ( does this word exists in english? ) it: SELECT c.session_id, c.properties, ...
8
votes
2answers
2k views

How does using separate schemas affect SQL Server 2008 performance?

I want to use separate schemas for objects with different purposes in our SQL Server 2008 database. Right now we use a fairly mind-numbing naming convention to indicate the purpose of a table or ...
8
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1answer
5k views

How to trace SQL queries which are crashing SQL Server

We have a SQL Server 2008 database server (it happens to be running under MS Failover Clustering, but I don't think that is relevant here). Our application runs Hibernate for DB access, and since we ...
8
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2answers
1k views

Sql server 2008 filestream maximum number of rows

We are using filestreams in Microsoft SQL Server 2008 (SP2) - 10.0.4000.0 (X64) and Windows server 2008 to store millions of files. Since there are millions of files all of them are grouped into 100 ...
8
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2answers
1k views

How to prevent daily index fragmentation of 99%

I have a highscore table for 100.000 players that is being inserted into 2 times a day with one record per player. At the end of the day the index fragmentation for the indexes in that table is 99%. ...
8
votes
1answer
6k views

SQL Server: deadlocked on lock communication buffer resources

what could be possible reason for this deadlock type? (not deadlock in general) lock communication buffer resources is this indicated system is low in memory and buffers count ran out of limit? ...
7
votes
2answers
3k views

A good SQL sniffer

Can anyone point me to a good SQL sniffer where I can watch the SQL commands that run against my database in real time? If it's free, that would be great.
7
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3answers
8k views

Installation of SQL Server RAID 10 vs RAID 5

I am new to setting up SQL Servers and Vms. My predecessor used Raid 5 for C Drive where the SQL installation resided and RAID 10 for both database files and database logs. I was wondering whether ...
7
votes
3answers
5k views

Why do linked servers have a limitation of 10 branches in a CASE expression?

Why does this CASE expression: SELECT CASE column WHEN 'a' THEN '1' WHEN 'b' THEN '2' ... c -> i WHEN 'j' THEN '10' WHEN 'k' THEN '11' END [col] ...
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votes
2answers
39k views

I can't connect to my servers SQL database via an IP Address

I have setup a server that runs Windows Server 2008, and has SQL Server 2008 Express installed. I can connect to the machine's SQL Server Express database via the MACHINENAME/SQLEXPRESS. However ...
7
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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 ...
7
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4answers
11k views

When to add indexes to #temp tables?

When testing stored procedures in SSMS, it sometimes says there is a missing index on #someTempTable____________________000000000000005B] (someField) etc etc When I do add them like this to the sp: ...
7
votes
3answers
23k views

Query to report disk space allocation and used space

We are using 6 databases in total for an application, and we can only share 4TB of space among all 6 auto-grow databases (via SAN storage). I'd like to write a query (report) for a single database ...
7
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1answer
6k views

How to clone a user in SQL Server 2008 R2?

Is there a way to clone users' security and permissions in Microsoft SQL Server, preferably using the SQL Server Management Studio GUI?
7
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2answers
17k views

How do I determine if a table exists in a SQL Server database in SQL Server 2008?

How do I determine if a table exists in a SQL Server database in SQL Server 2008?
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6answers
3k views

attach/detach v.s. backup/restore

I am using SQL Server 2008 Enterprise. I need to transfer the database (as a whole) to another server (to make a duplicate database to setup another test environment). I have two choices, (1) making ...
7
votes
2answers
13k views

Quick look at how much RAM is allocated to SQL Server?

With SQL Server 2005, you could look at the Task Manager and, at least, get a cursory look at how much memory is allocated to SQL Server. With SQL Server 2008, the Working Set or Commit Size never ...
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3answers
4k views

Chaining SQL Server Agent Jobs

I have several work packages for each I have setup up a job in sql server agent. Sometimes I should run all together. What is the best way to run them all in a given sequence? I'm a bit surprised that ...
7
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1answer
10k views

Moving from SQL 2005 [SQL_Latin1_General_CP1_CI_AS] to 2008 - will I lose any features by using 'backwards compatibility'

We're moving from SQL 2005 [Instance and DB have collation of SQL_Latin1_General_CP1_CI_AS] to SQL 2008 [which defaults to Latin1_General_CI_AS]. I completed a SQL 2008 R2 installation, and used ...
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3answers
702 views

How to determine Windows Server start time using T-SQL

I am looking for a way to find out when the Windows Server was last started using only t-sql commands. I am trying to stay within the default security configurations (i.e. I don't want to enable ...
7
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2answers
770 views

What are the pros/cons of splitting date and time into separate fields vs. using the datetime data type and storing the date in a single field?

My database is extremely large and growing at a rate of ~20m rows/day. I have timestamp data that is important but most of the reporting is based on date ranges and week over week or month over month ...