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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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• group by with value of another column

  - by phenevo

  Hi, I've got table Articles ID identity autoincement, IDArticle: nvarchar(100) ,IDCar nvarchar(100), createddate How to convert this: SELECT IDCar , MAX(createddate) FROM Articles GROUP BY IDCar to get IDArticle eg: 1 art1 BWM 5-21-2010 2 art2 BMW 5-24-2010 3 art3 BMW 5-31-2010 4 art4 Porshe 5-31-2010 5 art5 Porshe 6-1-2010 Expecting result is: art3 art5 It's not duplicated with: http://stackoverflow.com/questions/2736769/sql-query-number-of-occurance/2736809#2736809

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• LINQ Option Missing in Data Source for Grid View

  - by stringo0

  Hi, I don't see a LINQ option when picking a data source for a grid view - any ideas? I just upgraded to Visual Web Developer 2010. I see the other options like SQL etc. Thanks!

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• How do I TRUNCATE TABLE using Django orm?

  - by Silver Light

  Hello! To empty database table, I use this SQL Query: TRUNCATE TABLE `books` How to I Truncate table using Django models and orm? I've tried this, but it doesn't work: Book.objects.truncate()

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• Encoding in SQL to CSV

  - by Z77

  When do I execute query COPY TO ... CSV, I create CSV file. BUt when open it column with names in excel that should be with national characters are not as it should be. So my question is, If it is possible within a sql query to change this encoding to utf8? Or something else? Because I want that new created CSV file to be as final product for user on web. I hope someone understood what I want:)

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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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• How to identify the culprit in "Error converting data type varchar to numeric"?

  - by Stan

  An insert statement with a large number of values returns 'Error converting data type varchar to numeric.' How can I find which value actually triggers the error? MS SQL Server 2008 is used.

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• select xml data column into flat reporting table

  - by Bernard

  We have a xml column in SQL Server 2008. We need to do reporting off the data in the xml so we're going to select the xml into a flat table. The flat table has columns that correspond to various nodes in the xml. What is the best way to do this using SSIS? Is this a good approach? Or should we just try and write the reports directly off the xml column?

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• Inserting a null value into the database.

  - by J Harley

  Good Morning, Say I have an insert statement: Insert INTO tblTest (fieldOne,FieldTwo,fieldThree) VALUES ('valueOne','valueTwo','null') This statement doesn't seem to want to insert a null value into the database... I have also tried to insert the word "nothing". Has anyone any ideas how to make this work? I am using SQL server 2005.

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• How to use the IN operator in linq

  - by Hallaghan

  I'm querying a view and filtering the results with a column named status. I'd like to query it so I can search for rows with different status, by using the IN operator as I'd do in SQL. As so: SELECT * FROM VIEW WHERE Status in ('....', '.....') How can I achieve this?

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• ms-access: specifying formatting for a column

  - by every_answer_gets_a_point

  i would like all data that is entered into a specific column to always have a trailing comma and also i need the first character to always be a comma. how do i do this? the best solution is probably not in vba or sql but probably the properties of the table?

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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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• 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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• 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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• Hibernate Beans generator

  - by Julio Guerra

  Hi, Does anybody know if there is any program able to create beans classes from a SQL file ? Thank you.

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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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• Is it possible to capture data from a WHERE clause?

  - by Kristopher Ives

  I have a scenario where I'm calculating something in the WHERE clause of my SQL, but I also want to get that calculation - since it's expensive. Is it possible to get the results of something done in the WHERE clause, like this: SELECT `foo` FROM `table` WHERE (foo = LongCalculation()) Wishful thinking, or possible with MySQL?

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• how and when to update a mysql index?

  - by fayer

  im using this sql query to create an index: $query = "CREATE INDEX id_index2 ON countries(geoname_id, name)"; but how do i update the index when new entries are added? should i run a php script with the update query in CRON and run it every night? is this best practice for automated index updating?

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• Help creating a SQL Query

  - by Wes

  Somewhat new to SQL queries and I need a little help with my join. I am supplied with gid For each of these I need to grab name from table wp_ngg_gallery then join in table wp_ngg_pictures and grab field filename limit 1 order DESC by field imagedate Anyone able to help?

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• Case Statements versus coded if statements

  - by Eric

  What is more efficient - handling with case statements in sql or handling the same data using if statements in code. I'm asking because my colleague has a huge query that has many case statements. I advised her to take stress off of the DB by coding the case statements. I've found that it is more efficient...but why?

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• How to automatically reseed after using identity_insert?

  - by Earlz

  Hello, I recently migrated from a PostgreSQL database to a SQL Server database. To switch the data over I had to enable IDENTITY_INSERT. Well come to find out that I get all sorts of strange errors due to duplicate identity values(which are set as primary keys) upon doing an insert in any of the tables. I have quite a few tables. What would be the easiest way of automatically reseeding the identity of every table so that it is after max(RID)?

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• Doctrine: how to create a query using "LIKE REPLACE" ?

  - by user248959

  Hi, this SQL clause is working OK: SELECT * FROM `sf_guard_user` WHERE nombre_apellidos LIKE REPLACE('Mar Sanz',' ','%') Now I'm trying to write this query for Doctrine. I have tried this: $query->andWhere(sprintf('%s.%s LIKE REPLACE (?," ","%")', $query->getRootAlias(), $fieldName), 'Mar Sanz')); but I get this error: Warning: sprintf() [function.sprintf]: Too few arguments Any idea? Regards Javi

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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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• 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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• 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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