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• SQL Server 2005 / 2008 Licensing question

  - by Jose

  I have read up online, and through some threads here like this one. But I'm still confused and need to see if anyone can shed some light. My company is deploying a clickonce application that will be on multiple computers (about 50). It will be accessing an SQL Server database and I was wondering what kind of SQL Server licensing should I/need to have? The application currently logs in via SQL Server authentication using one SQL Server user. It seems logical that I would just need one user CAL and even through there will be up to 50 connections it should all still work. Am I right?

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• How should I set up my Hyper-V server and network topology?

  - by Daniel Waechter

  This is my first time setting up either Hyper-V or Windows 2008, so please bear with me. I am setting up a pretty decent server running Windows Server 2008 R2 to be a remote (colocated) Hyper-V host. It will be hosting Linux and Windows VMs, initially for developers to use but eventually also to do some web hosting and other tasks. Currently I have two VMs, one Windows and one Ubuntu Linux, running pretty well, and I plan to clone them for future use. Right now I'm considering the best ways to configure developer and administrator access to the server once it is moved into the colocation facility, and I'm seeking advice on that. My thought is to set up a VPN for access to certain features of the VMs on the server, but I have a few different options for going about this: Connect the server to an existing hardware firewall (an old-ish Netscreen 5-GT) that can create a VPN and map external IPs to the VMs, which will have their own IPs exposed through the virtual interface. One problem with this choice is that I'm the only one trained on the Netscreen, and its interface is a bit baroque, so others may have difficulty maintaining it. Advantage is that I already know how to do it, and I know it will do what I need. Connect the server directly to the network and configure the Windows 2008 firewall to restrict access to the VMs and set up a VPN. I haven't done this before, so it will have a learning curve, but I'm willing to learn if this option is better long-term than the Netscreen. Another advantage is that I won't have to train anyone on the Netscreen interface. Still, I'm not certain if the capabilities of the Windows software firewall as far as creating VPNs, setting up rules for external access to certain ports on the IPs of Hyper-V servers, etc. Will it be sufficient for my needs and easy enough to set up / maintain? Anything else? What are the limitations of my approaches? What are the best practices / what has worked well for you? Remember that I need to set up developer access as well as consumer access to some services. Is a VPN even the right choice?

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• What does SQL Server execution plan show?

  - by tim

  There is the following code: declare @XmlData xml = '<Locations> <Location rid="1"/> </Locations>' declare @LocationList table (RID char(32)); insert into @LocationList(RID) select Location.RID.value('@rid','CHAR(32)') from @XmlData.nodes('/Locations/Location') Location(RID) insert into @LocationList(RID) select A2RID from tblCdbA2 Table tblCdbA2 has 172810 rows. I have executed the batch in SSMS with “Include Actual execution plan “ and having Profiler running. The plan shows that the first query cost is 88% relative to the batch and the second is 12%, but the profiler says that durations of the first and second query are 17ms and 210 ms respectively, the overall time is 229, which is not 12 and 88.. What is going on? Is there a way how I can determine in the execution plan which is the slowest part of the query?

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• SQL Select * from multiple tables

  - by zaf

  Using PHP/PDO is it possible to use a wildcard for the columns when a select is done on multiple tables and the returned array keys are fully qualified to avoid column name clash? example: SELECT * from table1, table2; gives: Array keys are 'table1.id', 'table2.id', 'table1.name' etc. I tried "SELECT table1.*,table2.* ..." but the returned array keys were not fully qualified so columns with the same name clashed and were overwritten.

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• Repeatedly execute a stored procedure

  - by manivineet

  I have a situation where I need to repeatedly execute a stored procedure Now this procedure (spMAIN) has a cursor inside which looks for a value from a table as T1,which has the following structure ID Status ---- -------- 1 New 2 New 3 success 4 Error now the cursor looks for all rows with a status of 'New' Now while processing , if that instance of the cursor encounters an error, another SP say spError needs to be called, the 'Status' column in T1 needs to be updated to 'Error' and spMAIN needs to be called again which again repeats the process, looking for rows with 'new' how do I do it? Also, also, while we are at it, what if an SP has other SPs inside it and if any of those SP raises an error, same thing needs to be done, the T1 table needs to be updated ('Error') and spMAIN needs to be called again. can you also recommend something ? here's some code ALTER PROC zzSpMain AS BEGIN DECLARE @id INT BEGIN TRY IF EXISTS ( SELECT * FROM dbo.zzTest WHERE istatus = 'new' ) BEGIN DECLARE c CURSOR FOR SELECT id FROM zztest WHERE istatus = 'new' OPEN c FETCH NEXT FROM c INTO @id WHILE @@FETCH_STATUS = 0 BEGIN PRINT @id IF @id = 2 BEGIN UPDATE zztest SET istatus = 'error' WHERE id = @id RAISERROR ( 'Error occured', 16, 1 ) END UPDATE zztest SET istatus = 'processed' WHERE id = @id FETCH NEXT FROM c INTO @id END CLOSE c DEALLOCATE c END END TRY begin CATCH EXEC zzSpError END CATCH END

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• Selecting fields in SQL Select statements (Dumbest SQL Question)

  - by JC

  Hello all, Here's a dumb question which I can't find an answer to: I have a table which contains 20 fields, a few of which are date/time. I am interested in pulling all the fields. I would like to pull the datetime fields using the to_char function but don't want to individually list out all the other fields. Is there an easy way to do this? I tried select *, tochar(dtfield) as dt2 and select tochar(dtfield) as dt2, * and both give errors. Thanks for all your help! JC

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• SQL Server - Complex Dynamic Pivot columns

  - by user972255

  I have two tables "Controls" and "ControlChilds" Parent Table Structure: Create table Controls( ProjectID Varchar(20) NOT NULL, ControlID INT NOT NULL, ControlCode Varchar(2) NOT NULL, ControlPoint Decimal NULL, ControlScore Decimal NULL, ControlValue Varchar(50) ) Sample Data ProjectID | ControlID | ControlCode | ControlPoint | ControlScore | ControlValue P001 1 A 30.44 65 Invalid P001 2 C 45.30 85 Valid Child Table Structure: Create table ControlChilds( ControlID INT NOT NULL, ControlChildID INT NOT NULL, ControlChildValue Varchar(200) NULL ) Sample Data ControlID | ControlChildID | ControlChildValue 1 100 Yes 1 101 No 1 102 NA 1 103 Others 2 104 Yes 2 105 SomeValue Output should be in a single row for a given ProjectID with all its Control values first & followed by child control values (based on the ControlCode (i.e.) ControlCode_Child (1, 2, 3...) and it should look like this Also, I tried this PIVOT query and I am able to get the ChildControls table values but I dont know how to get the Controls table values. DECLARE @cols AS NVARCHAR(MAX); DECLARE @query AS NVARCHAR(MAX); select @cols = STUFF((SELECT distinct ',' + QUOTENAME(ControlCode + '_Child' + CAST(ROW_NUMBER() over(PARTITION BY ControlCode ORDER BY ControlChildID) AS Varchar(25))) FROM Controls C INNER JOIN ControlChilds CC ON C.ControlID = CC.ControlID FOR XML PATH(''), TYPE ).value('.', 'NVARCHAR(MAX)') , 1, 1, ''); SELECT @query ='SELECT * FROM ( SELECT (ControlCode + ''_Child'' + CAST(ROW_NUMBER() over(PARTITION BY ControlCode ORDER BY ControlChildID) AS Varchar(25))) As Code, ControlChildValue FROM Controls AS C INNER JOIN ControlChilds AS CC ON C.ControlID = CC.ControlID ) AS t PIVOT ( MAX(ControlChildValue) FOR Code IN( ' + @cols + ' )' + ' ) AS p ; '; execute(@query); Output I am getting: Can anyone please help me on how to get the Controls table values in front of each ControlChilds table values?

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• SQL Server Express Uninstall / Enterprise Install Issue

  - by user19049

  I need help installing SQL Server 2005 Enterprise edition.I really need to remove the current SQL Server 2005.installation that is no longer on my Add/Remove software list but yet still installed on the machine. I tried to uninstall SQL Server Express / Developer Edition but it only removed it from my Add/Remove software list. It returned immediately but did NOT actually remove the product. (I'm now in a bad state.) i tried to install SQL Server 2005 Enterprise and its says I'm blocked as all components are already installed - but they are not. How can I remove all instance of previous one and install clean Enterprise edition on my server Thanks

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• When is referential integrity not appropriate?

  - by Curtis Inderwiesche

  I understand the need to have referential integrity for limiting specific values on entry or possibly preventing them from removal upon a request of deletion. However, I am unclear as to a valid use case which would exclude this mechanism from always being used. I guess this would fall into several sub-questions: When is referential integrity not appropriate? Is it appropriate to have fields containing multiple and/or possibly incomplete subsets of a foreign key's list? Typically, should this be a schema structure design decision or an interface design decision? (Or possibly neither or both) Thoughts?

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• sql server procedure error

  - by Mohan

  CREATE PROCEDURE USP_SEARCH_HOTELS ( @Text varchar(50), @Type varchar(40) ) AS BEGIN Declare @Query VARCHAR(60) IF @Type = 'By Country' BEGIN SET @Query = 'Hotel.countryName like '+ @Text+'%' END ELSE IF @Type = 'By State' BEGIN SET @Query = 'HOTEL.stateName like '+ @Text+'%' END ELSE IF @Type='By Property Name' BEGIN SET @Query='hotel.propertyname like'+ @Text+'%' End ELSE IF @Type='By Rating' BEGIN SET @Query='hotel.starRating='+ Cast(@Text as INT) END ELSE IF @Type='By City' BEGIN SET @Query='hotel.cityName like '+ @Text+'%' END begin select * from hotel,tbl_cust_info where hotel.agentID=Tbl_Cust_Info.Cust_ID and (@Query) end END WHAT IS THE ERROR IN THIS PROCEDURE PLEASE HELP.

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• How to enforce this constraint in sql server

  - by Jeremy

  I have a table called city, and a table called city_city. city_city correlates two city records, so it has a fromcity_id and a tocity_id. I can enforce uniqueness on fromcity_id and and tocity_id through a unique key, but how do I enforce uniqueness so that I cant insert a record if fromcity_id and tocity_id are reversed. For example, the following records are conceptually the same: id fromcity_id tocity_id 1 100 200 2 200 100

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• How to Delete all data from a table which contain self referencing foreign key

  - by Shantanu Gupta

  I have a table which has employee relationship defined within itself. i.e. EmpID Name SeniorId ----------------------- 1 A NULL 2 B 1 3 C 1 4 D 3 and so on... Where Senior ID is a foreign key whose primary key table is same with refrence column EmpId I want to clear all rows from this table without removing any constraint. How can i do this? Deletion need to be performed like this 4, 3 , 2 , 1 How can I do this

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• SQl to list rows in not in another table

  - by SmartestVEGA

  I have the following query which have 1000 rows select staffdiscountstartdate,datediff(day,groupstartdate,staffdiscountstartdate),EmployeeID from tblEmployees where GroupStartDate < '20100301' and StaffDiscountStartDate '20100301' and datediff(day,groupstartdate,staffdiscountstartdate)1 order by staffdiscountstartdate desc i have the following query which have 400 rows: ie the employees in tblemployees and in tblcards select a.employeeid,b.employeeid from tblEmployees a,tblCards b where GroupStartDate < '20100301' and StaffDiscountStartDate '20100301' and datediff(day,groupstartdate,staffdiscountstartdate)1 and a.employeeid=b.employeeid How to list the employees which is there in tblemployees and not in tblcards? ie is 1000-400 = 600 rows ???

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• t-sql grouping query

  - by stackoverflowuser

  Hi based on the following table Name --------- A A A B B C C C I want to add another column to this table called 'OnGoing' and the values should alternate for each group of names. There are only two values 'X' and 'Y'. So the table will look like Name OnGoing ---------------- A X A X A X B Y B Y C X C X C X how to write such a query that can alternate the values for each group of names.

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• SQL Server replication and load balance

  - by Ahmed Galal

  I'm running a web service that serves a mobile app on IIS 8 and SQL Server 2014, my service has a massive load and i'm trying to improve performance, most of the load is happening on SQL. i don't think i have a bottleneck, my processor and ram is up to the max and i think my code is not that bad, am already using memcached and other stuff to avoid hitting SQL too much. i know i can always upgrade the server hardware but i already have a spare server that i would like to use, so i was thinking to split the SQL load on the 2 servers. What i was thinking of is to setup replication on the other server and do some load balancing, but am not sure how to do the load balance. I know i can adjust my code to hit the other server for some queries but i was hoping to find a solution that avoid changing my code. So my question is, What are the ways of doing load balancing between 2 SQL servers ? I would appreciate suggestions or best practices or some directions. Thanks.

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• How to setup Database Permissions on SqlServer Express 2008

  - by Timo Willemsen

  I'm using a code-first approach of using the Entity Framework. When I first run the application it will try to create the database matching my MVC models. However, it doesn't have permission to create it I think. I get the following error: CREATE DATABASE permission denied in database 'master'. What user is trying to access the SqlServer and how can I add it's permissions to let it work? This is the connectionstring I'm using (which should be right...) <add name="ContextDb" connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;initial catalog=ContextDb" providerName="System.Data.SqlClient"/> Cheers

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• T-SQL: Omit/Ignore repetitive data from a specific column

  - by Dsyfa

  Hi, For my question lets consider the following sample table data: ProductID    ProductName    Price   Category 1                Apple                 5.00       Fruits 2                Apple                 5.00       Food 3                Orange               3.00       Fruits 4                Banana                 2.00       Fruits I need a query which will result in the following data set: ProductID    ProductName    Price   Category 1                Apple                 5.00       Fruits 3                Orange               3.00       Fruits 4                Banana                 2.00       Fruits As you can see ProductID 2 has been omitted/ignored because Apple is already present in the result i.e. each product must appear only once irrespective of Category or Price. Thanks

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• Cross Join 'n' times a table

  - by SDReyes

  It is possible to write a generic function/procedure/select/somethingElse to cross-join a table against himself 'n' times? (yes, 'n' is a given parameter : ) How would you do it? Example Having this table: Value ------- 1 2 3 cross join it 2 times, would return: Value | Value ------------------ 1 1 1 2 1 3 2 1 2 2 2 3 3 1 3 2 3 3

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• Data Modeling of Entity with Attributes

  - by StackOverflowNewbie

  I'm storing some very basic information "data sources" coming into my application. These data sources can be in the form of a document (e.g. PDF, etc.), audio (e.g. MP3, etc.) or video (e.g. AVI, etc.). Say, for example, I am only interested in the filename of the data source. Thus, I have the following table: DataSource Id (PK) Filename For each data source, I also need to store some of its attributes. Example for a PDF would be "numbe of pages." Example for audio would be "bit rate." Example for video would be "duration." Each DataSource will have different requirements for the attributes that need to be stored. So, I have modeled "data source attribute" this way: DataSourceAttribute Id (PK) DataSourceId (FK) Name Value Thus, I would have records like these: DataSource->Id = 1 DataSource->Filename = 'mydoc.pdf' DataSource->Id = 2 DataSource->Filename = 'mysong.mp3' DataSource->Id = 3 DataSource->Filename = 'myvideo.avi' DataSourceAttribute->Id = 1 DataSourceAttribute->DataSourceId = 1 DataSourceAttribute->Name = 'TotalPages' DataSourceAttribute->Value = '10' DataSourceAttribute->Id = 2 DataSourceAttribute->DataSourceId = 2 DataSourceAttribute->Name = 'BitRate' DataSourceAttribute->Value '16' DataSourceAttribute->Id = 3 DataSourceAttribute->DataSourceId = 3 DataSourceAttribute->Name = 'Duration' DataSourceAttribute->Value = '1:32' My problem is that this doesn't seem to scale. For example, say I need to query for all the PDF documents along with thier total number of pages: Filename, TotalPages 'mydoc.pdf', '10' 'myotherdoc.pdf', '23' ... The JOINs needed to produce the above result is just too costly. How should I address this problem?

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• Two different tables or just one with bool column?

  - by Aidas

  We have two tables: OriginalDocument and ProcessedDocument. In the first one we put an original, not processed document. After it's validated and processed (converted to our xml format and parsed), it's put into Document table. Processed document can be valid or invalid. Which makes more sense: have two different tables for valid and invalid documents or just have one with 'Valid' column? Some of the columns (~5-7) are irrelevant for invalid document. Storing both invalid and valid documents would also make Document table filled with 'NULL' columns (if document is invalid, information like document number, receiver can be unknown). What else should we consider and weigh, when making this decision?

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• sql server 2005

  - by NIKS

  How to create database in sql server 2005. How to start with sql server 2005.

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• SQL Query To Get Multiple Max Values From Multiple Columns

  - by Sheridan

  I am trying to figure out how to pull multiple max values from multiple columns. Here is some sample data: DATE | A | B | C 4/4/2011 | 64.4 | 62.1 | 33.3 4/5/2011 | 34.6 | 33.5 | 32.3 4/6/2011 | 33.1 | 49.4 | 32.1 4/7/2011 | 55.2 | 32.8 | 33.5 4/8/2011 | 31.2 | 50.1 | 30.4 4/9/2011 | 31.7 | 31.1 | 30.4 I want the top 5 so: 4/4/2011 | 64.4 4/4/2011 | 62.1 4/7/2011 | 55.2 4/8/2011 | 50.1 4/6/2011 | 49.4 Thanks

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• MS SQL Server decimal data type rounds up

  - by Jonesy

  Hui folks, I need to be able to store numbers like 3.5 in my table. So I've used the decimal type field. But if I enter 3.5 it round it up to 4. Am I being stupid or is it not the point of decimal to have a decimal point? Thanks, Jonesy

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• not including null values in sql join

  - by Ashanti

  Hi, I have two tables CustomerAddress(CustomerId, City, Country) and CustomerTransactions(TransactionId, CustomerId, CustomerContact). Here are the values in the tables: For CustomerAddress: 1001, El Paso, USA 1002, Paris, France 1003, Essen, Germany For CustomerTransactions: 98, 1001, Phillip 99, 1001, NULL 100, 1001, NULL 101, 1003, Carmen 102, 1003, Carmen 103, 1003, Lola 104, 1003, NULL 105, 1002, NULL I'm trying to join both tables and have the following result set: 1001, El Paso, USA, Phillip 1002, Paris, France, (empty string) 1003, Essen, Germany, Carmen 1003, Essen, Germany, Lola It seems like a simple join but I'm having trouble coming up with the above result set. Please help. Thanks.

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• SQL Server IS_NULLABLE

  - by J Harley

  Good Morning, Just a quick question what this field actually means? I am trying to create an export script which follows this standard: lname varchar(30) **NOT NULL**, So if last name is_nullable=yes then would I put NULL rather than NOT NULL at the *'d code. Many Thanks, Joel

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