All versions of Microsoft SQL Server (not MySQL). Please also add a version-specific tag like sql-server-2016 if that is relevant to the question.

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2answers
3k views

What is best way to storing geo coordinates related to planned route?

Here is my scenario: Application "A" produces lat and long points that correspond to planned route. Depending on route distance it could have several thousands of points. I know of Geography and ...
1
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1answer
198 views

Partition Function with only one value, what does this effect?

I am currently looking at a database that has been setup by the default installation routine of AppFabric. Looking at the creation scripts I encountered this partition function: CREATE PARTITION ...
2
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2answers
631 views

How to improve performance if index is not Most SELECTIVE?

As per suggestion index must be most selective to improve the performance. As a general guideline, we should create indexes on tables that are often queried for less than 15% of the table's rows The ...
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0answers
281 views

Cannot set ArithAbort to Off on SQL Server

I have 2 SQL 2012 servers. The settings are exactly the same, but on one I can set ARITHABORT to Off but no matter how I try I can't do the same on the second server. The only difference I could find ...
2
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1answer
208 views

Creating indexes on AutoId and time column

My table structure is as follows Events( AutoId int identity(1,1) //Primay Key, clustered index EventTime datetime // non unique, non clustered index FileName nvarchar(1000) ...
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0answers
668 views

SSRS partial printing issue

We have SSRS 2005 that publishes reports. The reports are often as big as 1000-3000 pages. So the problem is that when the users try to print the report, it prints some of the pages and stops. And ...
3
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2answers
4k views

“Restore With Replace” or drop/restore with Instant Initialization on?

What exactly does the restore argument "With Replace" do? I'm looking at needing to restore a database back to a beginning point on a regular basis, and I've been trying to figure out if there are any ...
4
votes
1answer
2k views

Can non-domain-connected users use Report Builder

I'm dealing with a scenario where SSRS is being provided to remote clients on a different domain. We've discovered that they can launch Report Builder (a ClickOnce application) from their Report ...
4
votes
1answer
303 views

Plan cache memory: parameterized SQL vs stored procedures

In making a case to disallow parameterized SQL in my company's development environment the lead developer related a story about how the last time they used parameterized SQL the server had major ...
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0answers
38 views

sp_spaceused and replication question

I have been replicating data from a table to 2 different locations and was just looking at sp_spaceused to see the size of the tables. I have noticed that the replicated tables are smaller than the ...
0
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2answers
661 views

Connect to Microsoft Access database via Microsoft SQL Server / MySQL

A client has an Microsoft Access database where they save their products. To access the database now you have to login via VPN and open Microsoft Office Access. I need to access this database from a ...
3
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1answer
2k views

Troubleshooting Mirroring Configuration

I am configuring database mirroring on SQL Server 2012. After configuration I am getting the following error when attempting to start the mirroring session: tcp server cannot be reached or does ...
5
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2answers
3k views

Partitioning a Table Referenced by a Foreign Key

I have one table: CREATE TABLE [dbo].[entry] ( [ID] [bigint] IDENTITY(1,1) NOT NULL, [EntryDate] [datetime] NOT NULL, [createddate] [datetime] NOT NULL, CONSTRAINT [PK_Entry_ID] ...
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0answers
602 views

How do I convert unicode data from UTF-16LE to UTF-8 when migrating from SQL Server to MySQL?

Objective: Ensure existing Unicode (UTF-16LE) data is displayed the when moved to MySQL (UTF-8). Background: I'm migrating 1TB from SQL Server to MySQL. The current Collation in SS is ...
2
votes
3answers
3k views

SQL Server 2008R2 Database refresh in isolated environment

I would greatly appreciate your help on my database "refresh" issue. The scenario: I have 12 databases on a QA server that were restored there from a Production server approx. 2 years ago. Now QAs ...
1
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0answers
225 views

Row not being deleted from the publication when it's deleted in a subscription

We've merge replication configured in our environment(1 Publisher, 3 Subscribers) and We know by default merge replication is bi-directional. Its working fine in case of inserts i.e, if a row is ...
0
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1answer
536 views

Clients require instance name to connect to clustered instance

We have a clustered instance, say Instance1, assigned its own virtual network name and IP, via Failover Cluster Manager. This instance is configured to listen on port 1433 in SQL Server network ...
0
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1answer
148 views

Implicitly (or proxy) convert to Nvarchar on incoming queries from legacy or 3rd party applications

We have a 3rd party application of which we don't have the source code. This application executes queries on our database without using the "N" prefix before literal strings. It does this in inserts ...
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0answers
509 views

SSRS switch statement

I have a report with a variable number of columns. I can hide columns with the ismissing function based on an expression like Iif(Fields!Site.ismissing, true, false). However, the hidden columns still ...
6
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1answer
1k views

MSG 666 when running an insert query on 80M-row indexed table

Strangely, my stored procedure started to receive Msg 666 for some input data. Stored procedure fails on the last step when it tries to insert a row into a table with the following structure: ...
2
votes
1answer
94 views

How do I set up high availability at the instance level? [closed]

I have two database instances (Instance A, Instance B) of SQL Server, each one hosted on a separate VM using windows server 2012. Instance A has SQL Server 2008 R2, instance B has Sql server 2012. I'm ...
6
votes
1answer
10k views

SQL Server - How to determine ideal memory for instance?

We have some virtual machines that have X memory allocated to them. This amount of memory is somewhat random. It was allocated to the machine because that was the amount of memory the physical ...
1
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3answers
5k views

SQL Server backup job last 5 days

We've been having this nightly backup job on SQL Server 2012 but it appends to the .bak file instead of overwriting, so while googling I discovered master.dbo.xp_delete_file I noticed that I can ...
1
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0answers
340 views

Linked server query in profiler

I was profiling a DB for queries against it but have noticed that when a table in the DB is accessed through a linked server this does not show in profiler. Can anyone advise on why this is or what ...
-4
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1answer
98 views

Sproc - Adding columns with matching ID column [closed]

I currently have a sproc that is used for reporting on a table similar to the one below: ID Weight QTY OtherData 1 20 12 1234 1 44 4 1234 ...
3
votes
4answers
20k views

How to drop SQL Server database currently in use and in Single user mode

I have a Database on SQL Server 2008, which I want to drop. Currently it is in single user mode and it is currently in use. select * from sys.sysprocesses returns Msg 924, Level 14, State 1, Line ...
0
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1answer
144 views

SQL Server 2000 Replication

I have a challenge with replication on SQL Server 2000. The replication has full permissions, but still I get this below error. The SQL Server 2000 is installed on the C: Drive, but the database is on ...
1
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1answer
626 views

SQL Server 2012 SQL Log “the log file is not using Unicode format”:

On only one server of many, the SQL log is blank and shows a message "the log file is not using Unicode Format" when viewed via SSMS. The log is in the right location as specified in the service ...
0
votes
1answer
2k views

Why are these two INSERTs deadlocking? Is it the trigger? What does this deadlock trace 1222 log tell me?

We are seeing intermittent deadlocks in production when receiving multiple simultaneous API requests. Each request basically culminates in an INSERT statement into the same table, which is where we ...
0
votes
0answers
360 views

SQL Server Merge Replication Stuck, lots of conflicts and genstatus = 4 (interrupted) [closed]

Merge replication is the gift that keeps on giving as far as throwing new things at us, and the latest is a subscription that had been behaving for quite sometime suddenly slowing to a crawl. This ...
3
votes
2answers
4k views

What will be the initial size of my tempdb data file(s) after restart?

sys.database_files and sys.sysfiles report on size, but that's just the current size of the file. Is there a way to find out what the initial size of the tempdb datafiles will be after it's recreated ...
3
votes
2answers
290 views

Can I run concurrent backups of multiple read only filegroups?

I have 62 readonly filegroups in a SQL server 2008 enterprise database. Can I backup multiple read only filegroups at the same time? I would assume this to be the case but given this database is over ...
3
votes
1answer
3k views

What is MSrepl_tran_version? (MS SQL Server)

So, I'm an "enterprise software developer" (welcome to hell, here's your accordion), meaning I'm not a DBA and I'm inheriting something that's been around for years and very few people have a crisp ...
2
votes
1answer
203 views

Query does not use index when selecting all records [closed]

This is my first time handling a large database, and I was wondering why the two queries below are different in terms of execution plan. I have setup an index on a specific table: CREATE ...
0
votes
3answers
206 views

Design concerns for using 3x bit or one char(1) or one integer in table for holding status of item

I need to extend my existing table with status column. I am in doubt how to do that in most appropriate way regarding of future use of that status and performances of existing table. My table is ...
2
votes
1answer
3k views

A network-related or instance-specific error occurred

I have been using a local database on my laptop for the last view weeks. But today I cannot access it. I get the error: A network-related or instance-specific error occurred while establishing ...
0
votes
2answers
791 views

Is an AWS SQL Server RDS “log capture” the same as a transaction log backup?

When an SQL Server RDS instance provided by Amazon is configured for a recovery model using Full transaction logging, will the transaction log be trimmed by the "transaction log capture" that Amazon ...
5
votes
3answers
4k views

Is there any time where we should avoid cascading delete?

In SQL Server 2008, there is a Primary table which is linked to three other child tables by 1 to many relationship. So, we are thinking of using Cascading delete in the primary table, so that all the ...
0
votes
1answer
79 views

Software for working with SQL Server databases in Windows Server 2008 [closed]

We have an ASP .NET project that uses SQL Server that we host on a Windows Server 2008 machine. Where does Microsoft keeps its documentation for the tools that can be used for administering SQL Server ...
4
votes
2answers
9k views

Publishing database changes with SSDT that include altering data types of columns

I have a SQL Server Data Tools (VS2012) project that's published automatically during the build process. A column was recently updated from an int to decimal(18,4). As a result of this change, the ...
1
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1answer
2k views

Server Wide DDL Trigger Permissions Issue

I am trying to implement a server wide DDL Trigger that will audit the DDL changes across the databases on the server using script very similar to the article found here The trigger will log the DDL ...
1
vote
1answer
1k views

The ordinal position for a column changed without my knowledge

I have a column that is out of order (ordinally, not in terms of select statement), and I just can't figure out how it got that way. I've been researching this for quite some time and am coming up ...
1
vote
3answers
255 views

Securely remove columns (and traces thereof) from a SQL database

I've come upon a database that has previously held sensitive data (think "passwords/credit-card-numbers" kind of sensitive) in plain text. All of the sensitive data in question has been deleted, but ...
0
votes
1answer
150 views

Grouping rows by looking at two columns without considering the order

I have a table looks like this one below: +----+---------+---------+ | ID | VALUE 1 | VALUE 2 | +----+---------+---------+ | 01 | A | B | | 01 | B | A | | 02 | C | D ...
3
votes
2answers
709 views

Configure Email to be sent on restoring a database

Is there a way to configure Email in SQL Server such that an Email is sent when a particular database is restored.
0
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1answer
221 views

Can I design this database better? [closed]

I have the following database design: Script to reproduce: /* DROP TABLE [dbo].[feedback] DROP TABLE [dbo].[action] DROP TABLE [dbo].[download] DROP TABLE [dbo].[user] DROP ...
1
vote
1answer
550 views

Simple update query balloons tempdb

I am trying to do a bulk update of a column from a csv file, however when I do the actual update operation my tempdb balloons to over 20 GB in size (overtaking the entire size of the SSD the tempdb is ...
1
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3answers
280 views

One or several tables for attributes

I just spent some time discussing two alternative DB designs with a coworker and I'm not convinced. Neither of us is strictly DBA so we may be missing something. The overall goal is to create the ...
1
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1answer
603 views

Optimising a query of an SSRS dataset

Consider the query given below: SELECT * FROM ((SELECT c.cust_id , c.username , REPLACE(qs.seg_type_ref_key_02, 'N/A', 'Non Vip') casino_group, ...
5
votes
4answers
2k views

Create a secondary read-only copy of DB in a different server

We have users that query our prod database (mostly ODBC through MS-Access) to create some customs reports. We want to copy our data to a second server (replicate / log shipping / ???) so the load on ...