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• Which is better: Ad hoc queries, or stored procedures?

  - by Will

  Assuming you can't use Linq for whatever reason, is it a better practice to place your queries in stored procedures, or is it just as good a practice to execute ad hoc queries against the database (say, Sql Server for argument's sake)?

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• Help with simple query - why isn't an index being used?

  - by Randy Minder

  I have the following query: SELECT MAX([LastModifiedTime]) FROM Workflow There are approximately 400M rows in the Workflow table. There is an index on the LastModifiedTime column as follows: CREATE NONCLUSTERED INDEX [IX_Workflow_LastModifiedTime] ON [dbo].[Workflow] ( [LastModifiedTime] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 100) The above query takes 1.5 minutes to execute. Why wouldn't SQL Server use the above index and simply retrieve the last row in the index to get the maximum value? Thanks.

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• Maximum capabilities of MySQL

  - by cdated

  How do I know when a project is just to big for MySQL and I should use something with a better reputation for scalability? Is there a max database size for MySQL before degradation of performance occurs? What factors contribute to MySQL not being a viable option compared to a commercial DBMS like Oracle or SQL Server?

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• How to connect to a database from VC++/CLI .NET 4.0

  - by abatishchev

  How to connect to a database (any natively supported by .NET) - SQL Server 2008 or Access - from a Windows Forms application written on VC++/CLI (compiler ver. 16.0 from .NET 4.0)

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• How to user IN operator in Linq?

  - by Umapathy

  Query: Select * from pu_Products where Part_Number in ('031832','027861', '028020', '033378') and User_Id = 50 and Is_Deleted = 0 The above mentioned query is in SQL and i need the query might be converted into Linq. Is there any option using the "IN" operator in Linq?. can you convert above mentioned query into Linq?

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• Coping Indexes from old database to new one?

  - by AmRoSH

  Hi, I converted an old sql server database from 2000 to 2005 and forgetten to add old indexes to the new db. is there any way to copy the old indexes to the new db? any help?

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• Refreshing data in a java.sql.ResultSet

  - by llm

  I have a java.sql.ResultSet object containg data from a query that was run. How do I refresh the data in the ResultSet to reflect the current data in the database? Thanks!

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• Option To AutoFormat Query Syntax in SSMS 2005 or 2008?

  - by dragon77

  In TOAD (for SQL or Oracle), there is a simple AUTOFORMAT button that will nicely format your query - I couldn't find that option in SSMS 2005, but was advised by a co-worker that it was available in SSMS 2008. I am unable to locate the option there either. This is VERY helpful when pasting a query from another source. Thanks for any assistance.

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• In mysql or postgres, is there a limit to the size of an IN (1,2,n) statement?

  - by Kyle

  I've got quite a few SQL statements like such: SELECT foo FROM things WHERE user_id IN (1,2,3..n) Is there a known limit to the number of elements that will safely fit in an IN clause like that?

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• Linking database column to dropdown control in ASP.Net

  - by kunal

  I am using c# with asp.net and SQL Server 2005 as backend. I want to use dropdown list control in a form to populate a textbox. The dropdown control is linked to a column in the database. How can I code this in c#?

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• On Update: Auto Update Date/Time Field

  - by Abs

  Hello all, Is there an equivalent of MySQLs on update field for SQL server? With both DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP clauses, the column has the current timestamp for its default value, and is automatically updated. What I am looking for is to have a date/time field and every time I update a record it updates the field with the date/time it was updated automatically? If it doesn't exist, I guess I'll have to go manual. Thanks all

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• How to generate script/stored procedure to copy data from one database to another

  - by aein

  I had to restore may database to 1 day erlier, so My database is missing data from a day before, and this databse has been used by users since the restoration. How do I generate script/stored procedure to copy just the missing data from the backup database into my current database. There are PK and FK relationships that need to be considering. I'm using SQL server 2005 Thanks for your help. Aein

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• best encryption method sql server asp.net c#

  - by mazhar kaunain baig

  What is the most standard encryption technique used in sql server for asp.net c# enterprise level application? . i am talking with respect to standards like md5 or sh1 etc, hashing

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• is it possible to add line from Database to text file in the server ?

  - by Gold

  hi i have sql-server 2008 database that in the main server. i have 10 terminals that connect to this server and work against the database. i need that every new inserting to database through any terminal - in the server this line will inserting to text file (every line) can i do it ? thank's in advance

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• Rails activerecord to_sql_string?

  - by pepernik

  I've seen somewhere but can not remember. How to get an SQL from ActiveRecord object? Client.find(1).to_sql_string

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• How to manipulate sql connection string in C#

  - by Liveonthree

  Hi i'm trying to manipulate the sql connection string so instead of running the original copy of our database it runs from the copy one folder up in our C# project.

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• Excel : sum of values depending of other values

  - by gregseth

  Hi, What would be the equivalent Excel formula of this SQL query SELECT SUM(a) FROM table WHERE b < 0; A B ---- ---- 1 0 2 -1 3 4 5 -3 >> 7

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• ms-access: difference between .value and .text

  - by every_answer_gets_a_point

  i am passing values from a textbox into a sql statement in ACCESS i do not understand the difference in the usage of these two properties when i set the the .text property to something, how does the .value property get affected? when i do want something to be displayed in the textbox should i be using the value or text property?

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• how to write a bat file to execute the .sql fiel

  - by ganuke

  I want to execute query in side the db.sql file using MySQL 5.1 in windows environment. Can any one help me to this. I want to do this by runing a bat file.

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• What's the best method for sanitizing user input with PHP?

  - by UltimateBrent

  Is there a catchall function somewhere that works well for sanitizing user input for sql injection and XSS attacks, while still allowing certain types of html tags?

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• How to speed up saving data to database over internet?

  - by robert_d

  I am using C#, Entity Framework and SQL Server 2008 Express. I am connected to the database over internet. What is the best method to speed up saving/updating data to database? It takes 60 seconds to save 140 records to database.

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• Anything like GROUP BY that gives you the max value'd field instead of the min?

  - by William

  I'm trying to get the results from this question (SO 2429348 - Help with a SQL query) except I need it to return values 1 and 3.

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• Service Broker is not starting

  - by Costa

  Hi ALTER DATABASE [Database Name] SET ENABLE_BROKER; Does not respond, and works infinitely. SQL Agent service is running, what is chances? Thanks

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• storing images in sqlserver using c#

  - by barq

  i want to store images of my employees with thier profiles in sql server database. i have following reservations. whether i should compress images or not if yes please provide me sample code or article how should i retrieve images efficiently, i an afraid of asp.net application performance issue. i think with ten thousand employee records it will halt or slow down

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• How to create CSV file from SQL?

  - by Z77

  I am wondering how to create or export CSV file from SQL? Is tehre any function for that similar as pgsql2shp????? I would appreciate your ideas, tip or solutions.

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