2
votes
1answer
28 views

How can I model and enforce constraints on a categorical item contained in a collection?

Scenario: There is a collection of items where each item belongs to 1 category. There is a collection of buckets which may contain at most 1 item from each category. Oh, and an item may belong to at ...
0
votes
0answers
41 views

Sql Azure: The session limit for the database is 8000 and has been reached

I am getting following exception in SQL Azure, my SQL Server database is a web version, and I am getting this error in SQL Server Management Studio (when connecting). Also this is happening when ...
2
votes
1answer
96 views

Insert to SQL Azure through Linked Server very slow

I have a table on SQL Asure server with no indexes except clustered. And I insert into this table small amount of data just about 1000 rows and it takes more than 4 minutes. Although, when I do it ...
0
votes
0answers
8 views

Unknown _TransactionIndex table in Azure SQL Database

Just noticed today that there is a random table in my Azure SQL Database that is named "_TransactionIndex_{guid}" It has 1 column, Id, that contains 8 GUIDs. Couldn't find any information about this ...
1
vote
1answer
34 views

Azure: Replication Beginner help

We have SQL Azure database running with our website. However today's outage of SQL Azure give us a setback. And now we are looking a way to replicate [as I read on internet] is best to do have 2 ...
2
votes
1answer
176 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 ...
0
votes
1answer
83 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
1answer
59 views

Can I limit the time a table lock is being held server side?

I have a SQL Azure server with some stored procedures with TABLOCKX hints that I call from C# code on a Windows Azure web role VM. I'm kinda paranoid about those hints - what if there's some network ...
1
vote
1answer
213 views

Can't restore Azure bacpac into localdb with SqlPackage

I have made a backup of my SQL Azure in a bacpac file and when I try to import the bacpac in localdb it always fail. Here is the command I use: PS C:\Program Files (x86)\Microsoft SQL ...
4
votes
1answer
99 views

SQL Azure not using available memory

We are using SQL Azure Premium P1 which comes with 8GB ram and 150 IOPS. For a couple of hours, we have been seeing timeouts on SQL queries (even fairly simple queries take time). In logs for SQL ...
0
votes
1answer
90 views

Bidireccional synchronization between a local Sql Server 2005 database and a SQL Azure database using Sql Data Sync

I need to synchronize an Sql Server 2005 database in an SQL Azure database. In other posts I've read that I can do this using Sql Data Sync but I don't know if SQL Data Sync can make the ...
1
vote
3answers
397 views

How to know the user doing a delete action on an audit table, when using a shared login?

Background information: I'm creating a collection of audit tables to keep track of updates and deletes to a set of data tables for my app. Audit records are created via triggers. DML in my app's ...
1
vote
2answers
714 views

EF Code First uses nvarchar(max) for all strings. Will this hurt query performance?

I have some databases created using Entity Framework Code First; the apps are working and in general I'm pretty happy with what Code First lets me do. I am a programmer first, and a DBA second, by ...
0
votes
2answers
107 views

How do I track why my SQL Azure occupied space pulsates?

This is inspired by this StackOverflow question. I have this code: SELECT CONVERT(INT, SUM(reserved_page_count) * 8 / 1024) FROM sys.dm_db_partition_stats for detecting database space consumption ...
2
votes
1answer
61 views

Logging and Replaying database updates/inserts SQL Server 2008

I am in the process of migrating our client's database to the Azure Cloud SQL Server and setting up data sync etc. All of this is ok, but I need to reduce the amount of time the client's system needs ...
2
votes
4answers
2k views

Can I add a unique constraint that ignores existing violations?

I have a table which currently has duplicate values in a column. I cannot remove these erroneous duplicates but I would like to prevent additional non-unique values from being added. Can I create a ...
2
votes
1answer
292 views

Rebuilding Unique Index with uniqueidentifier in SQL Azure never succeeds

We have a number of tables (~1M records) that have a column on them defined as: [GlobalID] [uniqueidentifier] NOT NULL that gets auto-populated with newid(). We use this ID for synchronizing data ...
2
votes
4answers
453 views

How can I remove a bad execution plan from SQL Azure?

DBCC FREEPROCCACHE doesn't work in SQL Azure. How else can I force a plan to kick itself out of the cache in a way that won't hurt a production system (i.e. I can't just go alter tables willy nilly)? ...
1
vote
3answers
927 views

Database user permissions: GRANT VIEW DEFINITION but DENY on some object types

I'm trying to figure out a combination of permissions that will allow a partner to see basic db schema but not expose objects including code. So, VIEW and SELECT on TABLES (including keys) ...
3
votes
1answer
711 views

Azure SQL Administrator Can't Access Master Database

I created an SQL server and database. I can log in to the database manage page with my administrator account, and manage the database I created, but when I try to look at the master database, it says: ...
-1
votes
1answer
456 views

Conditionally INSERTING columns into Table

using SQL Azure and like to insert a data to a table using dynamic Query. No of columns in select statment is dynamic. It will be based on some conditions. Ex: Salary, Code. How can I create a ...
1
vote
1answer
351 views

SQL Azure: Drop Constraint and Index

This may be a stupid question, but I'm not a DBA and just wanna make sure of what I'm doing before I make a mistake. Here is my question: When dropping Constraints, are their indexes dropped as well? ...
0
votes
2answers
150 views

Access 2003 (SQL Server 2000) migration to SQL Azure

As my old Windows 2003 RAID controller started throwing errors, I am seriously thinking about switching current Access 2003 (adp/ADO) clients to use a Windows SQL Azure solution, in place of current ...
4
votes
1answer
355 views

Replication between SQL Server 2005 and Azure database

Is it possible to set up transitional replication between a SQL Server 2005 and a SQL Azure database? My server is nearing end of life and I would rather migrate to a cloud infrastructure instead of ...
2
votes
1answer
943 views

Rename Primary Key constraint on Azure

I'm trying to change primary key on a table in Azure storage. The plan is to create a new table, move data over and drop the old table. The problem is that I need all the constraints names to be the ...
-1
votes
3answers
180 views

What is a good Diff tool when comparing on-premise to SQL Azure? [closed]

We're working on migrating our database (~400 tables) from SQL 2008 R2 to SQL Azure. We're currently in the proof-of-concept stage, figuring out the process we'll be following. We have a process that ...
4
votes
3answers
170 views

Easiest Way to Move 100 Databases

I need to move about 150 databases from one server to another server. SQL Server 2008 Web Edition SQL Server 2012 Preview (in a different datacenter - East Coast Azure) I was planning on moving ...
2
votes
2answers
97 views

Workflow for SQL Server + Azure SQL development?

Lets assume the following: 5 devs all working on laptops Each develops/debugs on Azure compute emulator (code) and SQL Server (db) - both running locally on their laptops. I'd like to have ...
6
votes
0answers
758 views

SQL-08S01 error in FreeTDS/Azure when executing stored proc for a few minutes from Linux (but not from Windows)

I get this error on Linux (Ubuntu and CentOS) when executing a stored proc from Perl/DBI/ODBC/FreeTDS to SQL Azure: [unixODBC][FreeTDS][SQL Server]Read from the server failed (SQL-08S01) I don't ...
4
votes
2answers
293 views

Best practise for copying a database from production

Currently after releasing a new major or minor version of our application, we take a copy of the production database and perform the below process: Copy production database to test server Obfuscate ...
3
votes
1answer
80 views

How do I back up On Premise Microsoft SQL Server 2008 to Azure cloud

I have a 50 GB hosted SQL Server database at SoftLayer. I want to do backups to cloud storage, as the SoftLayer managed SQL Server backups are ridiculously priced. Eventually we will totally move ...
2
votes
0answers
129 views

How do I back up and restore a SQL Azure database?

How do I back up and restore a SQL Azure database? For that matter, how do I back up and restore an entire Azure account? Let's suppose I am working at a company and I buy a 3 month trial account ...
2
votes
2answers
424 views

Is it OK to create hundreds of databases in SQL Azure versus one big one and run the risk of deadlocking

I need to create highly scalable solution - where field devices in thousands of sites are delivering data in real time to a back end system, and SQL Azure seems to fit the bill nicely in terms of ...
2
votes
2answers
2k views

Will altering order of columns in GROUP BY affect performance?

I have a SQL query like this: SELECT A, B, (CASE WHEN C=0 THEN 0 ELSE 1 END), COUNT(D) FROM SomeTable GROUP BY A, B, (CASE WHEN C=0 THEN 0 ELSE 1 END) On a huge dataset the actual execution plan ...
3
votes
2answers
219 views

How do I count rows with two properties in one index scan in SQL?

I have a table Units where I have rows ItemId, ItemCreationDate, ItemUnitsCount. ItemId is a primary key and I have a clustered index over it. I need to output the following: for each day I need to ...
10
votes
1answer
248 views

Migrating from a physical database to a cloud database

What are the implications of moving a physical database created in Microsoft SQL server 2008R2, that makes use of advanced features like Full-Text Search on varchar(MAX) FILESTREAM BLOBS to SQL Azure? ...
7
votes
2answers
334 views

Clustered indexing is now must - why?

Earlier, there were non-conclusive to me debates/discussions on whether to (always) engage/avoid clustered indexes. Well, I understood that they are to be used sometimes with proper + specific ...