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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475 views

automatic transactional replication failover to noce2 with AG failover

I am working on to set up high availability group like SQL01,SQL02,SQL03(DR) and SQLRPT01 as the reporting server which has our reporting DB. * From SQL01 to RPT01, I am running transnational ...
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3answers
425 views

AlwaysOn Availability Groups Delayed Replica

With AO SQL 2012, is it possible to configure one of the member as delayed replica? I know ideally we would like this to be synced but in case of human error, it would give us the ability to check on ...
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0answers
105 views

Data replication vs parallel shard query

I'm not a DBA, and I'm wondering how a SQL Server database can scale to fit the needs of a social network. I'm not interested in NOSQL, and I understand that caching plays an important role in ...
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1answer
2k views

Why is SQL Server 2012 working set memory low?

I have recently migrated a 100gb database for a busy website from: MS SQL 2008 Standard Edition R2 Windows Server 2008 48gb RAM to MS SQL 2012 Web Edition Windows Server 2012 64gb RAM I have ...
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1answer
383 views

Transaction Replication Without Snapshot

So I have looked up many other people trying to get Transaction Replication Without Snapshot working and I'm stuck. I've followed what everyone has said so I don't know what I'm missing. Prod server ...
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2answers
1k views

if-then-else gives a boolean headache

I have three statements to combine but I cannot find the correct solution for SQL Server 2008 R2: I need to concatenate three columns into one but in three different ways depending on the result in ...
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0answers
79 views

Diagnosing high cpu load

Let me start by saying our SQL servers are hosted by a third party. Every once in a while our monitoring software will show that cpu usage on one of our servers goes way out of line with normal ...
4
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1answer
972 views

Database under heavier load — all SQL queries start timing out after a period of hours/days

I make a web application which has experienced heavy growth in the past week and it appears my database is seizing up because of it. You can see that everything seemed to be OK until about 3AM this ...
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2answers
300 views

SQL Server storage limits on Azure

Looking at SQL Server maximum capacity limits on here: http://msdn.microsoft.com/en-us/library/ms143432(v=sql.120).aspx Database size can be as big as 524,272 terabytes. Here, you could see VM size ...
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1answer
331 views

Comparing Agent Jobs on Two Servers

I'm currently building a process in Powershell where we can copy SQL Server Agent jobs from one server to another server just by entering the server names. The script uses the SMO library to obtain ...
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1answer
46 views

SQL Server 2008 R2 Resource Managment

I have a server running Windows Server 2008 R2 Enterprise 64Bit, with 256 GB RAM. I am running SQL Server 2008 R2. With normal usage, SQL Server is using about 232 GB of RAM. Occasionally it will ...
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1answer
45 views

Rebuild the Fulltextcatalog

I have a Database (80GB) that is able to store attachments. These attachments are full text indexed. For some reasons I had to rebuild the fulltext catalog and this 30 hours. Our business users ...
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0answers
110 views

SQL server job has not run and also no entry logged in its history [closed]

I have scheduled a SQL job to run daily at 3am in the morning which creates a batch. It has not run today and i am also not able to fathom what's the reason behind its failure. There is no entry in ...
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1answer
434 views

SQL SERVER Virtual Log Files

I am new to SQL SERVER, could anyone please explain that why do we have VLFs' in T-LOG and why not have 1 T-log itself. I am aware that VLFs' are logical but my question is why VLFs'? what is the ...
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2answers
2k views

Should I pause Mirroring and stop SQL Server services before running windows updates?

I am running Windows update on my SQL Servers (which are in a Principal-Mirror partnership, in High Safety mode). I am starting with updating the mirror and I was wondering, to increase safety, ...
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1answer
168 views

Why are zero length spaces being returned from a Union All against an empty table in SQL Server 2005 but not SQL Server 2012

Supporting an existing VB6 app with a SQL Server 2005 back end and we're migrating our database server to SQL Server 2012. Created a backup of the production database and restored it into a dev ...
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0answers
90 views

Replication topology advice - central subscriber

I'm seeking guidance and advice about how to set up replication in MSSQL to deal with the following criteria. We have a central server hosted at a data center - this is where our web app is located. ...
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0answers
135 views

Maintaining Referential Integrity with a Filestream enabled database

We have a production database which is filestream enabled and has grown, within a year, to about 20Gb as it stores documents. On many occasions we need to bring the live data back to UAT or Dev ...
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2answers
374 views

SQL Server Linked Servers and Remote Statistics

I'm trying to get a better understanding of how SQL Server uses statistics on remote SQL Servers (e.g. a Linked Server). I understand that the user needs db_owner/db_ddladmin rights to be able to use ...
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1answer
118 views

The meaning of the Roles in SQL Server 2008 R2 [closed]

Just because I’m confused around this issue I’d like to ask the following questions, and please I would like to receive clear and easy understandable answers. Not deep analyze. 1.What is the Roles ...
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0answers
671 views

SQL Server Service Broker messages in one database fails unless SA owns the database? What's going on here?

I've been attempting to learn how to set up Service Broker through Microsoft's "Completing a Conversation in a Single Database" tutorial. However, when I actually try to send a message, it fails until ...
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1answer
159 views

Restoring full and differential backups from production to a report server

Running this SQL query: RESTORE DATABASE Demo FROM DISK = 'C:\DBBackup\Demo_FULL_Sunday.bak' WITH NORECOVERY RESTORE DATABASE Demo FROM DISK = 'C:\DBBackup\Demo_Diff_Monday.bak' ...
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3answers
10k views

How to calculate exact month (in days) difference b/w two dates

I am trying to get all the rows where the visit date was exact before five months from to date but somehow DateDiff function is including 26th Sept 2013 record which is not right as five month has ...
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1answer
159 views

SQL Server Merge Replication Dummy Update issue

We have SQL Server 2005 SP4, using merge replication. We started getting this error when the subscribers try to replicate (not all of them but most): The process could not deliver dummy update ...
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0answers
66 views

SQL Server A network-related or instance-specific error

I have a windows service that performs a lot of hits to database. Sometimes the database connection is down and I got exception "A network-related or instance-specific error". I got this behavior on ...
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0answers
231 views

SQL Server Mirroring send/receive ack time not normal

I have a problem that arises during the performance test by microsoft team in my client. The report that is given to us provide information about whether or not a parameter is good based on the Object ...
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1answer
106 views

Skipping some data from Indexing in SQL Server

I have a situation where SQL Server is giving error that index size exceeding 900 bytes. Its happening because one of the column in index definition is varchar(2000), and whenever its length goes over ...
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1answer
114 views

Error trying to open database

The database is for ms exchange. I am getting the following error. Any ideas guys?
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1answer
278 views

Improve Insert performance for 200 Million rows

How can the following insert statement be improved - which varies from 20mins on certain days to 70-140mins on most other days. SELECT DISTINCT od.SourceID, od.OrderID, od.OrderLineNo, ...
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0answers
44 views

How Can I Convert SQL Server 2012 Version 11.0.3000.0 to SQL Server 2012 Version 11.1.3000.0? [duplicate]

I have SQL Server 2012 with version 11.0.3000.0 . I need upgrade my version to SQL Server 2012 SP1 because I need install Cumulation 4 in Sql Server 2012 Cumulative Update 4 for use PowerPivot in ...
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2answers
8k views

How Can I Convert SQL Server 2012 Version 11.0.3000.0 to SQL Server 2012 Version 11.1.3000.0?

I have SQL Server 2012 with version 11.0.3000.0 . I need upgrade my version to SQL Server 2012 SP1 because I need install Cumulation 4 in Sql Server 2012 Cumulative Update 4 for use PowerPivot in ...
4
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1answer
119 views

Query the Differential Changed Maps in SQL Server

Differential backups use the Differential Changed Map pages to determine what pages to backup. I'd like to investigate a backup strategy involving differential backups. For that purpose I'd like to ...
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1answer
78 views

Compare the database compatibility_level to the server version?

I have a mixed environment of servers from 2000 to 2012, and I'd like to find any databases that have a compatibility level set less than the version of the server it is running on. Ideally, I'd like ...
3
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2answers
318 views

Multicolumn statistics on large table yielding poor estimations

I have a rather large table (~200 million rows), and although the statistics are up to date using WITH FULLSCAN, is it possible that my histogram (limited to 200 steps) is simply too broad for the ...
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4answers
897 views

Run Server Agent Job on Schedule only if CPU is idle

I have a job set up in SQL Server Agent to run an update query. I want this job to execute every night between midnight and 5am and I want it to repeat every 5 minutes during that time frame. But I ...
5
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1answer
250 views

Numeric data type with variable significant digits

I need to implement a data type which should preserve the last zeros in the decimal points in SQL Server 2008 R2. Example of the data are 1.002 1.210 0.00100 0.1401 My clients get lab measurements ...
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1answer
72 views

An SQL Server 2008 R2 based program fails when updating stored procedures?

I'm trying to update MIP software and one of the "companies" fails while it is updating a stored procedure. Is there any place in SQL Server 2008 R2 / Windows where I could see an error message ...
0
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1answer
91 views

database size limitations [closed]

I am accidental DBA. One of my clients has been trying to upload a data file and he's been encountering error message about database size limitation. He hasn't sent us the exact error information but ...
2
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2answers
86 views

Comparing Queries

In SQL Server, if you're comparing the statistics IO from two queries, how do you ensure that caching doesn't become a factor? For example (I'm making this up as I type, not a real example): SELECT ...
2
votes
4answers
6k views

SQL Server mirrored database is stuck in recovery mode

I have a database that is stuck in recovery mode for few days already. There are multiple threads about this, but the solutions there don't work for me. Here is what I tried already: RESTORE ...
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1answer
178 views

can exec work with while loop of cursor? [duplicate]

Declare @var varchar(200) set @var='select max(val) from floattable' declare c1 cursor for select id from floattable declare @val int Fetch next from c1 into @val open c1 while @@Fetch_Status=0 ...
2
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3answers
419 views

Replicating tables for reporting purpose

We have 5 tables in a database on Server A that we would like to replicate to Server B for reporting purposes. We would like to create different indexes on the destination copy so we can get better ...
2
votes
3answers
14k views

SQL Server - difference between instance name and instance id

I'm a bit confused with SQL Server instances. The Instance Name and Instance ID are different properties, yet Instance ID tends to be defaulted to a capitalized version of the Instance Name. The ...
3
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2answers
56 views

Calulating savings between two schemes

I've normalized a single table to reduce the number of nullable columns from 3 down to 0. The idea was to save a little drive space but I'm seeing a 45% decrease in space needed to store the same ...
0
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1answer
73 views

What happens if I can't rebuild indexes after setting PAGE_VERIFY to CHECKSUM?

I've come across a production SQL Server 2008 box that has quite a few databases with PAGE_VERIFY option set to NONE. I'm going to set the PAGE_VERIFY option to CHECKSUM. If I understand correctly, I ...
2
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0answers
623 views

SSRS slow opening a Datasource

While optimizing a report, I discovered that the time reported by TimeDataRetrieval in ExecutionLog2 was a couple of seconds longer than the query times shown in SQL Server Profiler for that report ...
0
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1answer
343 views

T-SQL Optimizing a Join on TOP Value from another table

I've got a data warehouse that goes through a full refresh each night that can take about an hour to process 16 million rows/25gigs of data and we're looking for ways to reduce this time without going ...
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1answer
635 views

Is it possible to raiserror within a For Delete Trigger that rolls back the deletes

There is a claim at the end of this accepted answer that if an error occurs within a "For Delete" trigger, the delete action would be rolled back because it is part of an implicit transaction. ...
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1answer
6k views

Why are queries causing spill to tempdb?

Background I am in the process of migrating a 160gb database from MSSQL 2008 (standard) on a Win 2008 server with 48gb RAM to a new server running MSSQL 2012 (64-bit web edition) on Win 2012 with ...
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1answer
388 views

Use @@servername and db_name() on notify operator task

I'm setting up a maintenance plan and on error I added a "Notify operator task" with some text. But I want to be able to add something like: Backup failed on MyDatabase\Instance_name...blablabla ...