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• Open Source/ Free alternatives to Redgate Test Data Generator

  - by Perpetualcoder

  I was wondering if there are any free / open source alternatives to RedGate's Data Generator. I do not care if the tool is script based, GUI based, written in anly language/platform. I should be able to target a SQL Server or MySQL schema and have test data generated for me which gets inserted into db directly or generate scripts for insertion.

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• Stored procedure modified time

  - by Ashley

  Is there a way to find out when a stored procedure or table was last modified? I tried checking the properties via SQL Management Studio, but only found the creation date. Thanks!

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• How do I get 5 records before AND after a record with a specific ID?

  - by richleland

  I have a table named scores with the columns id and score. I want to access a specific record by its id as well as the 5 records before and after it. Is there a way in SQL to say "grab the score with the id of n and x items before and after it?"

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• How to create a database and populate it during setup

  - by Philippe

  I would like to find a way to create and populate a database during asp.net setup. So, what I'm willing to do is: Create the database during the setup Populate the database with some initial data (country codes or something like that) Create the appropriate connection string in the configuration file I'm using .NET 3.5 and Visual Studio 2005, and the Database is SQL Server 2005. Thanks in advance.

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• SqlServer Split operation

  - by Geetha

  Hi All, How to split a string in sql server. Ex: Input String: stack over flow Result: stack over flow Geetha.

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• What are the uses for Cross Join?

  - by vanslly

  A cross join performs a cartesian product on the tuples of the two sets. SELECT * FROM Table1 CROSS JOIN Table2 Which circumstances render such an SQL operation particularly useful?

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• Sql query executing perfectly in phpmyadmin but giving warning while running on page

  - by saurav

  i don't know whats wrong with this sql query. SELECT * FROM main WHERE key LIKE '%$word%' its giving results in phpMyAdmin but giving warning while executing it in a php page. Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource

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• Which kinds of queries is better for querying against conceptual model in Entity Framework?

  - by masoud ramezani

  There are 3 way for querying against conceptual model in EF : LINQ to Entity Entity SQL Query Builder Methods Which one is better for which situation? Is there any performance issues for these 3 type of querying?

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• TSQL Email Validation (without regex)

  - by Eric Z Beard

  Ok, there are a million regexes out there for validating an email address, but how about some basic email validation that can be integrated into a TSQL query for Sql Server 2005? I don't want to use a CLR procedure or function. Just straight TSQL. Has anybody tackled this already?

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• Oracle Sql Developer vendor code 1317

  - by Zemian

  Hi, I am using Oracle Sql Developer to browse a MySQL database. When I browse table with Columns tab(shows table definitions), some of tables will display an Error Encountered dialog that says: Vendor code 1317. Does anyone know how I can resolve this? Thanks, /Z

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• See images in SSMS?

  - by Vaccano

  I was browsing around and found this blog post: http://erikej.blogspot.com/2010/04/version-3-of-exportsqlce-now-available.html (It is for a great add in if you user SQL Server CE.) On that post I saw an screen shot of SSMS with images in the results. How is this done? I have images in my database (PNG files that are serialized via memory stream), but I just see numbers when I select the image column.

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• Which one can have better performance - LINQ to EF or NHibernate?

  - by masoud ramezani

  I want to start working on a big project. I research about performance issues about LINQ to EF and NHibernate. I want to use one of them as ORM in my project. now my question is that which one of these two ORM can get me better performance in my project? I will use SQL Server 2008 as database and C# as programming language.

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• hex value in field/row terminator for bulk insert

  - by TheObserver

  I'm running SQL Server 2005 Express. And I'm trying to do a bulk insert/import of a data file with a field/row terminator that uses a hexadecimal value 0x001. How should I represent it in a bulk insert command? I have something like: bulk insert xxx.dbo.[yyy] from 'D:\zzz\zzz.dat' with ( CODEPAGE='RAW', FIELDTERMINATOR = '=|=', ROWTERMINATOR = '=|=\001\n', KEEPNULLS ); which results in Msg 4863, Level 16, State 1, Line 7 Bulk load data conversion error (truncation) for row 1, column 3 (code).

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• Primary Key Names in Fluent Nhibernate

  - by fregas

  Is there a way in fluent nhibernate (or possibly NHibernate in general) to tell it to generate the primary keys differently? It creates the column name for the key fine, but the index/constraint gets weird generated names like: PK_Address_3214EC2725332734 PK_CreditCa_3214EC2756CA82C8 etc... I can use straight sql to rename them but i'd rather not. thanks, all

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• Determine if an Index has been used as a hint

  - by Joe Bloggs

  In SQL Server, there is the option to use query hints. eg SELECT c.ContactID FROM Person.Contact c WITH (INDEX(AK_Contact_rowguid)) I am in the process of getting rid of unused indexes and was wondering how I could go about determining if an index was used as a query hint. Does anyone have suggestions on how I could do this? Cheers, Joe

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• What is wrong with this Anonymous Object Initializate Syntax?

  - by Ramiz Uddin

  What is wrong with this Anonymous Object Initialize syntax? If (Not row Is Nothing) Then Dim info As New CultureInfo(Conversions.ToString(row.Item("cultureId"))) With { _ .NumberFormat = New With {.CurrencySymbol = Conversions.ToString(row.Item("symbol")), .CurrencyGroupSeparator = Conversions.ToString(row.Item("thousSep")), .CurrencyDecimalSeparator = Conversions.ToString(row.Item("thousSep")), .CurrencyDecimalDigits = Conversions.ToInteger(row.Item("decimals")), .NumberGroupSeparator = Conversions.ToString(row.Item("thousSep")), .NumberDecimalSeparator = Conversions.ToString(row.Item("thousSep")), .NumberDecimalDigits = Conversions.ToInteger(row.Item("decimals"))}} } hashtable.Add(key, info) End If It is a syntax error or object initialization type casting issue. Thanks.

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• How may I create an horizontal view from a tree table

  - by Giuseppe Alfieri

  I want to create a view for each tree for each customer of this 3 table structured in this way: Fields: db_attrib.name, db_attrib.name, db_attrib.name until the last db_tree.id_child = 0 Values: db_attrib_values.value where db_attrib.id = db_attrib_value.id_attrib and so on for each child And so on for each db_tree.id This is the link to sql fiddle with the prepared structure: http://sqlfiddle.com/#!9/21516

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• Why would SET ARITHABORT ON dramatically speed up a query?

  - by Jonathan Allen

  The query is a single select containing a lot of grouping levels and aggragate operations. With SET ARITHABORT ON is takes less than a second, otherwise it takes several minutes. We have seen this behavior on SQL Server 2000 and 2008.

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• How to convert int to nchar or nvarchar with leadind zeros ?

  - by Bitnius

  I need to convert int data table field to nchar or nvarchar leading zeros example: 1 convert to '001' 867 convert to '000867' thx. I tested this T-SQL Script and work fine for me ! DECLARE @number1 INT, @number2 INT SET @number1 = 1 SET @number2 = 867 SELECT RIGHT('000' + CAST(@number1 AS NVARCHAR(3)), 3 ) AS NUMBER_CONVERTED SELECT RIGHT('000000' + CAST(@number2 AS NVARCHAR(6)), 6 ) AS NUMBER_CONVERTED

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• Product with Last Purchase Date

  - by mikewin86

  Hello , I would like to query from SQL Server 2000 Database.I have got two tables. They are Purchase and PurchaseDetails. I would like to get product records with Last Purchase ID but I can't query with the following statements.So please help me. SELECT TOP 100 PERCENT dbo.Purchase.PurchaseID AS LastOfPurchaseID, dbo.PurchaseDetails.ProductID, MAX(dbo.Purchase.PurchaseDate) AS LastOfPurchaseDate FROM dbo.Purchase INNER JOIN dbo.PurchaseDetails ON dbo.Purchase.PurchaseID = dbo.PurchaseDetails.PurchaseID GROUP BY dbo.PurchaseDetails.ProductID, dbo.Purchase.PurchaseDate,dbo.Purchase.PurchaseID ORDER BY MAX(dbo.Purchase.PurchaseDate) DESC

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• Hibernate criteria DB2 composite keys in IN clause

  - by nkr1pt

  Hibernate criteria, using DB2 dialect, generates the following sql with composite keys in the IN clause, but DB2 answers that the query is incorrect: select * from tableA where (x, y) IN ( ( 'x1', y1) ) but, DB2 throws this: SQL0104N An unexpected token "," was found following ", y) in ( ('x1'". Expected tokens may include: "+". SQLSTATE=42601

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• How to use Contains() in my join

  - by jrep...

  I am trying to get my linq query to replicate my t-sql but I am lost. SELECT * FROM BaiDetail INNER JOIN BaiDetailMap ON BaiDetail.DetailText LIKE '%' + BaiDetailMap.BaiDetailMapSearchText +'%' This is what I have so far... but no go from det in Source from map in Map where det.DetailText.Contains(map.SearchText) select new {det, map} Error Message: Only arguments that can be evaluated on the client are supported for the String.Contains method.

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• Rails 3 equivalent of complex SQL query

  - by Bryan

  Given the following models: class Recipe < ActiveRecord::Base has_many :recipe_ingredients has_many :ingredients, :through => :recipe_ingredients end class RecipeIngredient < ActiveRecord::Base belongs_to :recipe belongs_to :ingredient end class Ingredient < ActiveRecord::Base end How can I perform the following SQL query using Arel in Rails 3? SELECT * FROM recipes WHERE NOT EXISTS ( SELECT * FROM ingredients WHERE name IN ('chocolate', 'cream') AND NOT EXISTS ( SELECT * FROM recipe_ingredients WHERE recipe_ingredients.recipe_id = recipes.id AND recipe_ingredients.ingredient_id = ingredients.id))

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• Run SQL scripts on windows mobile installer

  - by Guillermo Vasconcelos

  Hi, We are working on a Windows Mobile 6.5 application. The application is already installed in some devices, and we need to distribute a new version with changes in the database schema (we added a few tables). Is there a way to make a "patch" windows mobile installer that will replace the application and update the embedded SQL database with some scripts? In a normal windows installer we would create a custom action in the installation process to apply the changes in the database, but I'm not sure how to do that for Windows Mobile Thanks.

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• SQL Server 2005 Convert Ascii to Unicode

  - by Guazz

  I have data in an nvarchar field with data in ascii format: "Zard Frères Guesta" How do I convert it to a readable(unicode) format in t-sql?

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