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• What is a simple command line program or script to backup SQL server databases?

  - by Frank Krueger

  I've been too lax with performing DB backups on our internal servers. Is there a simple command line program that I can use to backup certain databases in SQL Server 2005? Or is there a simple VBScript?

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• What is the best way to convert an int or null to boolean value in an SQL query?

  - by Thomas Bratt

  What is the best way to convert an int or null to boolean value in an SQL query, such that: Any non-null value is TRUE in the results Any null value is FALSE in the results

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• What are some good examples where SQL's OUTER JOIN is used?

  - by Jian Lin

  I often get asked the questions in an interview that "what is an outer join in SQL"? While it can be answered, I wonder what might be some classic and good real life examples where a (LEFT) OUTER JOIN is used?

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• Why would you use "AS" when aliasing a SQL table?

  - by froadie

  I just came across a SQL statement that uses AS to alias tables, like this: SELECT all, my, stuff FROM someTableName AS a INNER JOIN someOtherTableName AS b ON a.id = b.id What I'm used to seeing is: SELECT all, my, stuff FROM someTableName a INNER JOIN someOtherTableName b ON a.id = b.id I'm assuming there's no difference and it's just syntactic sugar, but which of these is more prevalent/wide-spread? Is there any reason to prefer one over the other?

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• In SQL how to I exclude a record if there are more than 3 characters after a dash..

  - by Pete Kamenszky

  In SQL how do I exclude a record if there are more than 2 characters after a dash.. Example I only want to return records that match the following AA00000-0 but the table also has recoreds like AA0000-000,AA0000000-00 I need to return only records that have a single digit after the dash

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• What operation type invoked a trigger in SQL Server 2008?

  - by Neil Moss

  I'm contemplating a single SQL trigger to handle INSERT, UPDATE and DELETE operations as part of an auditing process. Is there any statement, function or @@ variable I can interrogate to find out which operation type launched the trigger? I've seen the following pattern: declare @type char(1) if exists (select * from inserted) if exists (select * from deleted) select @Type = 'U' else select @Type = 'I' else select @Type = 'D' but is there anything else a little more direct or explicit? Thanks, Neil.

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• Are there multiline comment delimiters in SQL that are vendor agnostic?

  - by ojblass

  While editing, building up, or cherry picking from SQL statements I can find myself interacting with one of four popular database tools. I have been resorting to single line commenting for DB2 and Informix. I have created macros in vim to make this slightly more efficient but I was wondering if I am working too hard.

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• Store and retrieve html from sql server 2008 and display using ASP.NET MVC?

  - by VJ

  Hi all I am trying to store html and hyperlinks in my sql server 2008 database. I want to also be able to display the hyperlinks and render the html accordingly. I am trying to do this in ASP.NET MVC so I tried using HTTPUtility.HtmlEncode() method but didnt really store it thw way I wanted. So can anyone please guide me through the steps i need to take to achieve this.

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• Trying to save changes to a SQL databse, results in "Cannot open user default database. Login failed

  - by Jacob Bellamy

  I am building an MVC application with C# as my language which is hosted on Widows 7 IIS. A call to Add a new member to the database works, but when attempting to save the change I get the following error: Cannot open user default database. Login failed. Login failed for user 'IIS APPPOOL\myApplication' The SQL table was added just by adding it within VS.

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• How to formulate a SQL Server indexed view that aggregates distinct values?

  - by Jeremy Lew

  I have a schema that includes tables like the following (pseudo schema): TABLE ItemCollection { ItemCollectionId ...etc... } TABLE Item { ItemId, ItemCollectionId, ContributorId } I need to aggregate the number of distinct contributors per ItemCollectionId. This is possible with a query like: SELECT ItemCollectionId, COUNT(DISTINCT ContributorId) FROM Item GROUP BY ItemCollectionId I further want to pre-calculate this aggregation using an indexed (materialized) view. The DISTINCT prevents an index being placed on this view. Is there any way to reformulate this which will not violate SQL Server's indexed view constraints?

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• SQL Server 2005 Error "The user does not have permission to perform this action" - clears up after r

  - by Sylvia

  We're getting the error "The user does not have permission to perform this action" during times of heavy load (regularly, when a trim job occurs). The error clears up when the service accessing sql server is restarted, so it's obviously not a real permissions problems. There's a possibility that the problem is occurring when we're trying to query dm_tran_active_transactions and sys.dm_tran_session_transactions. Any ideas of good places to start looking? thanks for any insights...

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• Problem with insert Thai Language data to SQL Server 2008 field datatype text and show ????

  - by embarus

  Hello everyone I created MVC ASP.Net Web application and tried insert Thai language data to SQL Server 2008 database to field with data type text and then database store ?????? which is incorrect. For Html Page I user charset utf-8 However I tried to Encode string before insert data to database and change database field collation. These do not solve problem. I'm looking forward to your reply. Thanks, embarus

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• How can I write a SQL count with group by clause using Propel ORM in Symfony?

  - by Failpunk

  How can I write the following SQL query using the Propel ORM? SELECT species, COUNT(*) FROM Bird GROUP BY species;

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• Are there any utilities to extract binary data from SQL Server?

  - by Sean Taylor

  Are there any utilities available that allow you to bulk extract binary data from a SQL Server table? For example, I have a number of Word documents stored in a table and I would like to extract all of these documents into files. I know could do this by writing some .NET code, but I only need to do it once.

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• Which is better practice: complex SQL statements or Recordset manipulation in Access VBA?

  - by mazi

  I'm doing some VBA development and I found creating SQLs quite efficient way of getting everything done (selecting and updating). But I got to this stage where my SQL statements contain complex Switches and WHERE conditions where I have another Selects to update appropriate records. Therefore, I create this SQLs and I simply run it via "CurrentDb.Execute strSQL" and it does everything fine. The question is, why would I declare ADODB.connections etc, set recordsets, loop through it and manipulate the data one by one?

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• For SQL, when did it start to be desirable to always use the words "Inner Join" instead of implicitl

  - by Jian Lin

  For SQL, when did it start to be desirable to always use the words "Inner Join" instead of implicitly joining by: select * from t1, t2 where t1.ID = t2.ID; ? Is it just for style or to distinguish between outer join or are there other reasons for it?

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• Is it poor practice to build an SQL query using WHERE 1=1 AND ...

  - by Rob

  I'm writing a script that builds an SQL query by concatenating the string and adding conditions to the WHERE clause as needed. Would it be better practice to use WHERE 1=1 so that the first condition is satisfied and the script can just concatenate an AND x = 'y' to the query, or should I write the extra code to check if a clause has been added and if not, add the AND ? Confusing question, I know. Let me know if I need to be more clear. Rob

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• How is this Nested Set SQL query converted into a LINQ query?

  - by Chad

  Querying a Nested Set Model table, here's the SQL... how can this be written in LINQ? SELECT parent.name FROM nested_category AS node, nested_category AS parent WHERE node.lft BETWEEN parent.lft AND parent.rgt AND node.name = 'FLASH' ORDER BY parent.lft; particularly, the FROM part... never tried to do anything like that in LINQ.

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• How do you extract just date from datetime in T-Sql?

  - by Grand Master T

  I am running a select against a datetime column in SQL Server 2005. I can select only the date from this datetime column?

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• How to move data from VistaDB to MS SQL Server?

  - by Samnang

  Currently, I have a blog that is using VistaDB as back-end database, but later I realize that I want to MS SQL Server instead. I was wondering there is any tools that are available for migration data like this problem?

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• Can I execute SQL statements directly in a JDO environment?

  - by Carl Rosenberger

  I am using Datanucleus JDO on top of HSqlDb. I would like to execute the following SQL statement to tell HsqlDb to set the write delay to 0: "SET WRITE_DELAY 0" Is there a way I can do this from a JDO PersistenceManager or a PersistenceManagerFactory? On a sidenote: I have tried to modify write_delay by using the following connection URL: jdbc:hsqldb:file:data/hsqldb/dbbench;write_delay=false It didn't work. I debugged the HsqlDb sources and I could still see the write delay being set to 10 seconds.

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• Can I use @table variable in SQL Server Report Builder?

  - by edosoft

  Using MS SQL 2008 Reporting services: I'm trying to write a report that displays some correlated data so I thought to use a @table variable like so DECLARE @Results TABLE (Number int, Name nvarchar(250), Total1 money, Total2 money) insert into @Results(Number, Name, Total1) select number, name, sum(total) from table1 group by number, name update @Results set total2 = total from (select number, sum(total) from table2) s where s.number = number select from @results However, Report Builder keeps asking to enter a value for the variable @Results. It this at all possible?

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• ASP.NET - Storing SQL Queries in Global Resource File?

  - by Arthur Chaparyan

  Is it a good idea to store my SQL queries in a global resource file instead of having it in my codebehind? I know stored procedures would be a better solution but I don't have that luxury on this project. I don't want queries all over my pages and thought a central repository would be a better idea.

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• Are products like SQL Server and Oracle are "ORDBMS"?

  - by n10i

  According to wikipedia! http://en.wikipedia.org/wiki/ORDBMS IBM's DB2, Oracle database, and Microsoft SQL Server, make claims to support this technology and do so with varying degrees of success So, are these products true "ORDBMS" like PostgreSQL? or they are they are long way from it? can someone plz! point me to any link where i can read about the features still to be implemented by these RDBMS to become true ORDBMS!

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• How can I trim certain characters from a string in sql?

  - by Matt

  I would like to trim all special characters from a string in SQL. I've seen a bunch of people who use substring methods to remove a certain amount of characters, but in this case the length on each side of the string is unknown. Anyone know how to do this? Thanks, Matt

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