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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7
votes
2answers
98 views

Need to include FKs in SQL Indexed View clustered index?

I'm using a SQL Server Indexed view to improve performance of a join that filters a (very) large table by a category on a small table. eg: CREATE VIEW BigTableSubset WITH SCHEMABINDING AS SELECT ...
0
votes
0answers
100 views

SQL Server 2012 Profiler - ShowPlan XML Batch ID

I have an application that makes RPC calls for a single procedure, most calls run in a few miliseconds. Occasionally the call takes 5-7 seconds. I'm trying to catch an execution plan for one of the ...
2
votes
1answer
1k views

Create A View Using Dynamic Sql

I'm trying to create a dynamic Database creation script. There are a lot of steps and we create this database often so the script looks something like this. DECLARE @databaseName nvarchar(100) = ...
6
votes
3answers
1k views

Which SQL Server product does version 622 represent?

I've manually attached the data and log files I received from a client to a SQL Server 2005 Express SP3 database. During the upgrade to SP4, I get the following error: The database 'MyDatabase' ...
0
votes
1answer
1k views

What does “ALTER DATABASE … SET NEW_BROKER” do? Is there anything to worry about?

I'm having an issue with sql broker service. Is there a reason to worry about setting a new sql broker service? I'm really worried about doing this, but I'm kind of at my wits end since I know it will ...
1
vote
1answer
232 views

How do I find out if Sql server Agent's login has rights to a DB?

How do I find out if the SQL server Agent's login has rights to the target DB, that is the DB on which I will be executing a query ? Also, how do I find the service that's controlling Agent on the ...
4
votes
2answers
764 views

Why shouldn't a pre-hashed password be used with CREATE LOGIN all the time?

(For the purpose of this question, assume that I only need to support SQL Server 2008 and higher. Or to future-proof this question, let's say recent, current, and near-future versions.) The ...
1
vote
1answer
363 views

Sql Server: how to validate schema against a textual representation (XML or the like) natively?

I need a simple "complete dump" of the schema for our repo, in human-readable format: Sprocs, Views, the like. We need to "fix" some old schema issues that cropped in over the time, and "clean up" the ...
4
votes
1answer
3k views

When changing the size of a nvarchar column, do I need to drop the unique index? And will the table get locked when recreating the index?

In our database a big table exists that more or less looks like this: CREATE TABLE dbo.production_data ( pd_id BIGINT PRIMARY KEY, serial NVARCHAR(16) NOT NULL UNIQUE, ... ); but now ...
4
votes
3answers
3k views

Use GUID as primary key in Azure?

I want to use GUIDs since they are portable and makes it easier to use several database. But since there are performance issues it might not be a good idea? Although I've found a MS blog entry which ...
1
vote
1answer
88 views

TSQL Query - Efficient?

I want to output data that will display various results depending on Type and/or Quantity values. Each query calls the same table and returns the same columns. I was thinking of creating a UNION on ...
3
votes
2answers
4k views

Shrink the database only up to its initial size which is set after creating database

In SQL server every database has a property Initial Size (MB) which can be seen in properties of database in SSMS. By default it will be 3 MB for mdf and 1 MB for ldf file. So now if create a new ...
5
votes
2answers
4k views

SQL Server auto-trim of varchar value in equal comparison but not like comparison

I came across some interesting behaviour on SQL Server (observed in 2005 and 2012) today that I was hoping someone could explain. A query doing a comparison using = on an NVARCHAR field ignored the ...
0
votes
1answer
219 views

What causes lost updates being observed in my SQL Azure database?

I have a SQL Azure database with the following tables: CREATE TABLE [dbo].[UserBalances] ( [UserId] UNIQUEIDENTIFIER UNIQUE NOT NULL DEFAULT NEWID(), [AvailableMoney] INT NOT NULL ...
1
vote
2answers
61 views

what's result for sql server log backup twice? [closed]

If I have a sql server database mydb. Then I run a transaction log backup at 12:00pm. Then run the transaction log backup(either full or differential) again at 12:30pm. what's result for the second ...
3
votes
1answer
959 views

Non-Clustered Index key columns to cover a variable where clause

To whoever reads this, sorry for the long question and thanks so much for your time. I'm needing some help on understanding what columns should be key/non key in the following situation, and what ...
1
vote
0answers
971 views

SQL Server logs error

There are two SQL Server 2012 instances on the server. Named instance gives following error when Management > SQL Server Logs is clicked. Default instance works OK and opens Log file viewer. ...
4
votes
1answer
8k views

Difference between FreeProcCache and FreeSystemCache

Currently I run DBCC FREEPROCCACHE when I want to wipe information out of the buffer pool between running SQL queries. However, I was reviewing this Technet article referencing DBCC FREESYSTEMCACHE. ...
5
votes
2answers
2k views

Is there a quick way to find all columns in SQL Server 2008 R2 that are encrypted/have encrypted data?

Is there a quick way to find all columns in SQL Server 2008 R2 that are encrypted/have encrypted data? I need to nullify the data in all encrypted columns in a development server (according to our ...
3
votes
1answer
337 views

Active/ Active SQL Server Clustering on AWS

I need to design and implement a highly available SQL Server 2012 clustering on Amazon AWS. In the white paper presented by Amazon, they provided an example of Active/ Passive SQL Cluster. Do you know ...
3
votes
1answer
3k views

How do I get SQL Server agent to show up in SSMS for a non-sysadmin user?

I have already mapped the user to the msdb database and assigned him the role of SQLAgentOperatorRole, but the user still can't see the SQL Server Agent listed when he connects. The Agent show up fine ...
1
vote
2answers
84 views

Profiling feature for SQL server 2012

I'm using SQL Server 2012 to develop php/web applications. On my development machine, I have SQL server also. The php codebase is version controlled with git. The various applications we have (and ...
2
votes
0answers
17 views

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

I am currently working with a SQL Server 2008 R2 database which uses the following SET commands frequently: SET ANSI_NULLS { ON | OFF } SET QUOTED_IDENTIFIER { ON | OFF } SET ANSI_PADDING { ON | OFF ...
-1
votes
2answers
3k views

How to convert SQL Server database file to MongoDB? [closed]

I have .mdf / .sdf files created in SQL Server. I want to convert them to MongoDB. How can I do this?
3
votes
1answer
1k views

Why does implicit conversion from sql_variant (basetype decimal) not work well with float

Why is ResultFloat = 0 in the query below? Am I missing a point within the cast/convert, sql_variant docs? declare @v sql_variant = convert(decimal(28,8), 20.0); select ...
3
votes
1answer
770 views

How to replace “set rowcount”

Currently on SQL Server 2008/R2. I just read here that "set rowcount" is being deprecated in some post 2012 release: http://technet.microsoft.com/en-us/library/ms188774.aspx We have some legacy code ...
5
votes
2answers
4k views

Issues with TempDB mdf file ever increasing

I have a tempdb growth issue. Let me preface everything by giving my tempdb settings. Even with no queries running on the database/server tempdb keeps on increasing in size, at first rapidly and ...
1
vote
0answers
3k views

ERROR 17058 COULD NOT FIND THE ERROR LOG

We just installed SQL Server on 1st node of windows cluster and it stop/start fine from configuration manager but from command line it is giving error and I checked that service account have all the ...
1
vote
1answer
517 views

How to perform a multiplication by a different select query

Hope my question is accepted here and I haven't made a mess out of renaming the tables and columns so you can understand what I need! :) Query A: DECLARE @var VARCHAR(7) SET @var = 'xtpo' SELECT ...
17
votes
1answer
1k views

24x7 vs Night Time Window

Where can I find resources on how to better move to a 24x7 operation? How do the big companies with big databases accomplish this? Our nightly jobs such as purge old data reindex update ...
0
votes
1answer
82 views

Performance on updating row

When updating in SQL Sever, it is my understanding that the entire row is deleted and then recreated (which is why you get a new timestamp). So then, if you update 1 field or 500 fields, does the ...
3
votes
1answer
130 views

MS SQL Server using SSL Connection over the Web?

I'm looking to have an external SQL Server 2008R2 Express instance and be able to connect to this via SSL using a 'sql.my-domain.com' address. So far, I've looked at a few Microsoft links on the ...
0
votes
1answer
2k views

Support to SQL Server 2000 from Visual Studio 2013(SQL Server 2012)?

I can't access to a database created by SQL Server 2000 from Visual Studio 2013, I asked this before in StackOverflow, but I don't get an useful answer: ...
2
votes
1answer
121 views

What is happening with locks in my database?

I'm having some problems on my database. At any given time, I'm trying to execute an update with five records on my table, but this table is locked and I get a time out executing the query. I ...
3
votes
2answers
695 views

What are the options of reducing tempdb latency?

Took the job of monitoring and tununing a SQL Servers 2012 Enterprise Ed. SP1 (64 bit) on Windows Server 2008 R2 Standard Ed. All of them are running inside virtual machines. One SQL Server per a ...
0
votes
1answer
64 views

What are the compelling resons to update SQL Server name to a real one after its changing?

Took the job of monitoring and tuning a few dozens SQL Server 2012 Enterprise Ed. SP1 (64 bit) on Windows Server 2008 R2 Standard Ed. running inside virtual machines. All of them on running ...
0
votes
1answer
174 views

Use SQL Server Database Mail with Amazon SNS

Is it possible to configure SQL Server 2012 Database Mail (hosted on EC2) with Amazon SNS? I'd love a single place to manage all alert notifications and their subscribers in SNS, but Database Mail ...
6
votes
1answer
219 views

Suppressing the SSMS prompt to save changes

Is it possible to configure SQL Server Management Studio (SSMS). so that the dialog box shown above does not appear when I close an unsaved query window?
0
votes
2answers
85 views

SQL Server replicated databases swap

I have a SQL Server 2012 database. I would like to be able to make changes to this database or to it's replication, then make the replica, the real one. The point here is to have 0 downtime on ...
8
votes
1answer
4k views

SQL Server 2012: Generate Scripts from command line

I am running SQL Server 2012. The SQL Server Management Studio has the option to right click on a database then select Tasks and Generate Scripts. Is there a way to automate that via command line ...
0
votes
0answers
84 views

Detecting changes in a table without enabling CDC [closed]

We are doing a transaction based on a weekly basis, where the first transaction is recorded on 1-Jan-14 in the table a. Subsequently, the second transaction that was done on 8-Jan-14 also got ...
2
votes
1answer
363 views

Getting each status change in a table

I have a table that holds status changes per item. The item can go in and out of a status multiple times. ItemTable (ItemId int, Status varchar(50), DateOfChange date) I need to pull the date of ...
3
votes
3answers
3k views

Allow update access to only 2 tables in a database schema

I would like to have a login which is capable of accessing a specific schema but should be having only update access to 2/3 tables. Is it possible? The Database runs on SQL Server 2008 R2. Kindly ...
1
vote
3answers
170 views

Creating a copy of primary database and attaching the copy database in the same sql instance

I just got into a project in which we have only one SQL Server 2012 copy. We have 12 databases attached to the primary instance of SQL Server 2012. As I don't have SQL Server 2012 or supporting OS, I ...
1
vote
1answer
2k views

'Tempdb' is full warning message in SQL Server 2005

I am using SQL Server 2005. it's a running plant, Everyday large number of data posted into SQL Server 2005 SELECT TOP 5000 [T_idx], [T_TAG], [T_Date] FROM [house].[dbo].[total] ORDER BY T_Date ...
0
votes
2answers
586 views

Scripting SQL Server into multiple SQL scripts [closed]

I have a SQL Sever table with 2GB of data. I can create the script for the file. But the script file is not opening. I want to split that script file into multiple script files.
2
votes
1answer
270 views

How to use proper hints for Upsert involving a top 1 subquery

For this specific case (tracking Load Balancer switches) we wish to optimize an Upsert so that it does not exhibit any race conditions, cause any PK violation, or acquire any over sized locks. ...
1
vote
0answers
390 views

SQL Server: Principal DB becomes unavailable after problem with mirror DB, even with Set Partner Safety Off?

We've got a very simple mirroring setup here: just a principal DB and mirror DB, no witness, running in high-performance mode with SET PARTNER SAFETY OFF. This problem has happened to us twice now: ...
1
vote
2answers
4k views

Select all data group by 1 column and functioned by another

I have the following table in SQL Server 2012 : ID int priority int type int other data columns I want to query the table for the following result : grouped by 'type' get the id of top 1 max ...
2
votes
2answers
322 views

Reducing deadlocks with update query hint or other method

I'm getting 20-30 deadlocks per day on the same table. (2 mil rows) Profiler DeadlockGraphs show KEY LOCK and PAGE LOCK (See attched jpg) Total datatype size per row = 114 bytes We have multiple ...