SQL Server 2012 (major build version 11.00.xxxx). Please also tag sql-server.

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What is the fastest way to export a table to a text file

I will have a SQL Server 2012 database and a table with 3 million rows and maybe 50 columns. What will be the fastest way for an unattended background .net process (maybe issues some SQL or Powershell ...
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2answers
13k views

Is SQL Server 2012 Management Studio “Express” any different?

Are there any differences from the version of SSMS that comes as part of the SQL Server 2012 Enterprise Installer and the SQL Server 2012 Express Management Studio?
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13answers
15k views

Sql Server Management Studio slow opening new windows

After upgrading both sql server and management studio from 2008 to 2012, the management studio 2012 is very slow when new query windows and dialog boxes are opened. Even right click on tables is slow. ...
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3answers
1k views

Optimizing a CTE hierarchy

Update below I have a table of accounts with a typical acct/parent account architecture to represent a hierarchy of accounts (SQL Server 2012). I created a VIEW using a CTE to hash out the hierarchy, ...
12
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1answer
46k views

Detecting the locked table or row in SQL Server

I'm trying to understand/learn how to track down the details of a blocked session. So I created the following setup: create table foo (id integer not null primary key, some_data varchar(20)); ...
12
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1answer
44k views

How to uninstall SQL Server Management Studio 2012? [closed]

How to uninstall SQL Server Management Studio 2012? ControlPanel's "Uninstall or change programs" (in Windows 7 Prof) gives a row of entries: while internet search results always tell: "click ...
12
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1answer
259 views

Clustered index not used in a delete statement

I have a SQL Server table defined as follow CREATE TABLE [dbo].[Production_Detail] ( [Id] [bigint] NOT NULL DEFAULT (NEXT VALUE FOR [dbo].[Production_Detail_Seq]), [Meta_Data_ID] INT NOT NULL ...
12
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1answer
2k views

SET STATISTICS IO- worktable/workfile

I am executiong query, that produces plan: Statistics IO: Table 'Worktable'. Scan count 0, logical reads 0, physical reads 0, read-ahead reads 0, lob logical reads 0, lob physical reads 0, lob read-...
12
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1answer
2k views

Why would you use a managed service account rather than a virtual account in SQL Server 2012?

In SQL Server 2012, service accounts are created as virtual accounts (VAs), as described here, as opposed to managed service accounts (MSAs). The important differences I can see for these, based on ...
12
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1answer
640 views

What is the cause of this problem with CONVERT()?

Consider the following two statements: PRINT CONVERT(NUMERIC(38, 0), 0x0100000001, 0); PRINT CONVERT(NUMERIC(38, 0), 0x0100010001, 0); Both statements return -1; isn't that incorrect since the ...
11
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3answers
10k views

Can I connect to a SQL Server 2000 instance from SQL Server Management Studio 2012?

I would like to update my development machine to SQL Server 2012 but I still manage some (very old) SQL Server 2000 machines. Wil my 2012 SSMS be able to connect to those SQL Server 2000 machines? ...
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3answers
12k views

Restrict update on certain columns. Only allow stored procedure to update those columns

I have sensitive price columns that I would like to have updated only through a stored procedure. I would like all code or manual attempts to alter values in these price columns to fail if it is not ...
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3answers
1k views

Where to learn SQL Server Service Broker?

Are there any good resources to learn Service Broker? I'm looking for a newbie-friendly guide.
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1answer
834 views

Why is adding a NOT NULL column with a default constraint instantaneous?

CREATE TABLE TestTab (ID INT IDENTITY(1,1), st nvarchar(100)) INSERT INTO TestTab (st) values ('a') INSERT INTO TestTab (st) values ('b') INSERT INTO TestTab (st) values ('c') INSERT INTO TestTab (st)...
11
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1answer
978 views

Forcing an index spool

I know its something that should be avoided for performance reasons, but am trying to show a condition where it appears as a demo on how to make sure it does not appear. However, I end up with a ...
11
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2answers
7k views

SQL Server Management studio slow connection or timeout when using Windows Authentication

I'm getting extremely long delays (10~30 seconds) in SQL Server Management Studio 2014 when attempting to connect to a SQL Server 2012 instance over TCP using Windows Authentication. This happens when ...
11
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3answers
2k views

Why are there execution plan differences between OFFSET … FETCH and the old-style ROW_NUMBER scheme?

The new OFFSET ... FETCH model introduces with SQL Server 2012 offers simple and faster paging. Why are there any differences at all considering that the two forms are semantically identical and very ...
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1answer
1k views

Workspace Memory Internals

Per my reading books on SQL Server 2008 Internals and Troubleshooting (borrowed from local library in Illinois) by Christian Bolton, Brent Ozar etc. I am trying to seek understanding and confirmation ...
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3answers
2k views

SQL Server query slow when paginated

I am seeing some strange behaviour with the following T-SQL query in SQL Server 2012: SELECT Id FROM dbo.Person WHERE CONTAINS(Name, '"John" AND "Smith"') ORDER BY Name Executing this query alone ...
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2answers
695 views

Understanding statistics, execution plans, and 'ascending key problem'

I'm trying to better understand (conceptually) the relationship between statistics, execution plans, stored procedure execution. Am I correct in saying that statistics are only used when creating the ...
11
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1answer
3k views

Is it possible to record incoming parameter values in a procedure call while tracing in SQL Server Profiler?

Using SQL Server Profiler (I'm on SQL Server 2012), I'm trying to generate a useful trace that shows the parameter values, not just the SQL with variable names. The stored procedure walks through a ...
11
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1answer
2k views

SQL Server 2012 Page Life Expectancy resets to 0 after about 50 days

I've noticed an odd behavior on a 2-server HA cluster and I was hoping someone could confirm my suspicion, or maybe offer some other explanation... Here is my setup: A 2-server SQL 2012 SP1 ...
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2answers
9k views

SQL Server database design for “archived but available” data

We have this large database (>1TB) that we intend to "shrink". The database revolves around one main entity, let's call it "Visit". For discussion, let's say it is a database for a medical practice. ...
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1answer
2k views

SQL Server 2012 Standard server with 50 instances won't uninstall instances

I suspect this is an issue because we hit the 50 instance max limit of SQL Server. At the limit it won't install more instances, naturally. However, it seems it won't UNinstall them either. That's ...
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4answers
2k views

Determine 3rd Friday of each month

I need to determine the dates which are the "3rd Friday of each month" for a date range of "1.1.1996 - 30.8.2014" in SQL Server. I expect I should use a combination of DENSE_RANK() and PARTITION BY() ...
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5answers
1k views

How to hide/disable tables without dropping them to check redundancy?

I have to maintain and extend an old legacy system which contains webservice methods and database tables that are no longer used. Since I’m not entirely sure that the tables are really redundant, I’m ...
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4answers
33k views

Is there a way to generate table create script in TSQL?

Is there a way to generate a create script from an existing table purely in T-SQL (that is without using SMO, since T-SQL does not have access to SMO). Let's say a stored procedure that receives a ...
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3answers
26k views

SQL Server not using all CPU cores/threads

After upgrading our SQL Server's hardware, we noticed in the Windows Task Manager that the SQL instance is only using half of the threads available to it: . The server has the following hardware ...
10
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3answers
832 views

Backup internals - What happens when a backup job is running - in terms of locking and performance overhead in SQL Server?

For MySQL I know the database is backed up table by table in SQL Statements, this results in locking and if you update columns while backing up you might end up in integrity problems. To my ...
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2answers
972 views

What is the logic behind ISNUMERIC for certain special characters?

The ISNUMERIC function has some unexpected behavior. The MSDN documentation says: ISNUMERIC returns 1 when the input expression evaluates to a valid numeric data type; otherwise it returns 0. ...
10
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3answers
7k views

Can I create a user defined table type and use it in the same transaction?

When I execute the following (in management studio, GO will separate the commands into batches) use tempdb begin tran go CREATE TYPE dbo.IntIntSet AS TABLE( Value0 Int NOT NULL, Value1 Int ...
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2answers
59k views

Installing SQL Server 2012 Express fails with error “ Could not find the Database Engine startup handle.”

I'm attempting to install SQL Server Express 2012 w/ SP1 x64 on Windows 7 SP1 x64. This machine has previously had SQL Server Express 2012 installed. This instance was upgraded to SQL Server 2012 ...
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3answers
10k views

How best to maintain SQL log file sizes

I'm somewhat of a new DBA and I'm managing a SQL Server 2012 instance that has a fair amount of activity. I'm running in Full Recovery mode because we need point in time recovery. Right now, I'm ...
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2answers
2k views

Do natural keys provide higher or lower performance in SQL Server than surrogate integer keys?

I'm a fan of surrogate keys. There is a risk my findings are confirmation biased. Many questions I've seen both here and at http://stackoverflow.com use natural keys instead of surrogate keys based ...
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6answers
41k views

Error 3154 while restoring a backup using WITH REPLACE

I have SQL 2012 with SP1 installed on my computer. I made a backup of a database test.bak. I have a database with the name test2 which is the same database, but the data changed. I want to restore ...
10
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3answers
360 views

Is total_elapsed_time in DMV sys.dm_exec_requests completely inaccurate?

I am running SQL Server 2012 and am trying to put some queries together for monitoring using the DMVs. However, when looking at the total_elapsed_time field in the sys.dm_exec_requests DMV, the ...
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3answers
509 views

Configure RAM for SQL Server and NUMA

Accidental DB admin here. Question: Would you still manually limit max RAM for SQL Server even though the sole purpose of that server is to serve SQL Server database engine only? I have Microsoft ...
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6answers
8k views

SQL Server Management Studio 2012: How to have folders in the SSMS project?

I'm using SSMS 2012 to talk to the SQL server 2012 and Azure SQL servers we use. I admit I'm not a SQL expert so I've been saving most of my SQL scripts for future reference. I've quickly run into 20 ...
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1answer
192 views

Does CREATE TABLE SomeSchema.#TempTableName have a bug?

Simple test-bed: USE tempdb; GO /* This DROP TABLE should not be necessary, since the DROP SCHEMA should drop the table if it is contained within the schema, as I'd expect it to be. */ ...
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1answer
2k views

“truncate log on checkpoint” option in SQL Server

Long story but our long term consultants (former employees) wrote a custom script years back (2006 or so) to interface with Tivoli Storage Manager and it appears to be checking for a SQL Server DB ...
10
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1answer
197 views

Why is the secondary selective index not used when the where clause filters on `value()`?

Setup: create table dbo.T ( ID int identity primary key, XMLDoc xml not null ); insert into dbo.T(XMLDoc) select ( select N.Number for xml path(''), type ) from ( ...
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2answers
12k views

Check progress of alter index reorganize / rebuild

How can I check the progress / status when I submit an alter index reorganize / rebuild ?
10
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1answer
209 views

Why does SQL Server refuse to update these statistics with anything but fullscan?

I noticed a relatively long running (20 min+) auto update statistics operation in a daily datawarehouse build. The table involved is CREATE TABLE [dbo].[factWebAnalytics]( [WebAnalyticsId] [...
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2answers
278 views

SARG cardinality estimate, why not full-scan?

Why there is no full-scan (On SQL 2008 R2 and 2012)? Test data: DROP TABLE dbo.TestTable GO CREATE TABLE dbo.TestTable ( TestTableID INT IDENTITY PRIMARY KEY, VeryRandomText VarChar(50), ...
10
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1answer
3k views

Using SQL Server 2012 Standard with Bitlocker

We're trying to use Bitlocker to secure an SQL Server 2012 database. We don't have any issue getting bitlocker to work... the issue we have is that once the drive is locked, SQL Server can no longer ...
10
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1answer
118 views

Job not running on Schedule

So I have a basic SQL agent job that runs a Robocopy script to move all files from one folder to another. Job is a pretty basic set up. With a pretty basic schedule. And yet it has yet to run. ...
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2answers
1k views

Improving the performance of STIntersects

Table T_PIN has 300,000 pins and T_POLYGON has 36,000 polygons. T_PIN has this index: CREATE SPATIAL INDEX [T_PIN_COORD] ON [dbo].[T_PIN] ( [Coord] )USING GEOGRAPHY_GRID WITH (GRIDS =(LEVEL_1 = ...
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1answer
6k views

Upgrade SQL Server 2005 to SQL Server 2012

I have a test environment set up with the following: Virtual Machine (Hyper-V) Windows Server 2008 R2 SP1(x64-bit) Windows SQL Server 2005 Developer Edition SP4 (x64-bit)(default instance name) 1 ...
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1answer
1k views

MDX Query for RANK regardless of hierarchy

I'm hoping to add a calculation to my SSAS Cube (SSAS 2012) that will show the relative rank of whatever the current member is against all other members in that grouper, without specifying the ...
10
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1answer
529 views

High PAGELATCH_* and WRITELOG waits. Are they related?

We are seeing very high PAGELATCH_EX and PAGELATCH_SH wait types along with high WRITELOG waits. I've diagnosed the query causing the PAGELATCH waits and can eliminate them by reducing the insertion ...