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• SQL: Is there a more efficient way to calculate elapsed hours, minutes, seconds?

  - by hamlin11

  I'm using Computed Columns to provide me with the following information: Hours, Minutes, and Seconds between a Start DateTime and Finish DateTime (Where Minutes and Seconds are between 0 and 59 and Hours can be any value 0 or greater) Computed Column for Seconds: datediff(second,[Start],[Finish]) % 60 Computed Column for Minutes: floor(datediff(second,[Start],[Finish]) / 60.0) % 60 Computed Column for Hours: floor(datediff(second,[Start],[Finish]) / 3600.0) Here's the table for reference Note: I'm also calculating TotalElapsedSeconds, TotalElapsedMinutes, and TotalElapsedHours in other computed columns, but those are easy. I just feel like I might be missing out on a nice built in function in SQL.

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• How can I handle emailed job control files for SQL Server?

  - by ganesh

  How can I detect control files from any mailbox, scan that file, decrypt it and queue it as a job using job manager in SQL Server?

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• Which user account to assign as owner when attaching an SQL Server database?

  - by FreshCode

  This is a simple database security & performance question, but I've always used either a special user (eg. mydbuser), or Windows' built-in NETWORK SECURITY account as the owner when attaching databases to my SQL Server instances. When deploying my database to a production server, is there a specific user I should stick to or avoid? I would think that using an account with a set password could open the database up to a potential security issue.

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• Is the max limit of 4 GB on sql server 2005 express .mdf + .ldf or for .mdf only ?

  - by HotTester

  Is the max limit of 4 GB on sql server 2005 express .mdf + .ldf or for .mdf only ? Kindly clarify. Thanks.

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• In SQL Server, how do I know what transaction mode I'm currently using?

  - by Yousui

  Hi guys, In SQL Server, how do I know what transaction mode I'm currently using? Such as autocommit, explicit, or implicit. And how can I change one mode to another using tsql? Great thanks.

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• Where does sql server stores the stored proecdure code?

  - by NoProblemBabe

  I once needed the lines of the stored procedures, to be able to trace whether i have a reference to some function, procedure or table, or sometimes to try to find something inside of the sp's code. Where does the sql server stores the procedures's code?

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• How to find size of a data type in pl/sql (oracle 9i)?

  - by Vineet

  hi, I want to find the size of any data type in pl/sql,for eg DECLARE x boolean; I want to find size of like X,is there any function like (sizeof() in C) or any how i can find it.Please let me know!

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• Why does SQL Server 2008 suggest I have the primary key column as an included column in an index

  - by Raine

  SQL Server 2008 is telling me to include the Primary Key in an index in the Included Column field. I thought the PK was automagically returned with all indexes?

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• What is the correct SQL for a trigger to copy a record to an identical table?

  - by Owen

  I have two tables TABLE1 and TABLE2 with identical structures. I need a trigger to copy a record after insert from TABLE1 to TABLE2. What's the proper SQL for this?

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• how to show only even or odd rows in sql server 2008 ?

  - by Gold

  hi i have a table MEN in sql server 2008 that contain 150 rows. how i can show only the even or only the odd rows ? thank's in advance

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• In SQL, can we always write an inner join statement as a main query and subquery?

  - by Jian Lin

  In SQL, can we always write an inner join statement as a main query and subquery? For example, select * from gifts g where g.giftID in (select giftID from sentGifts); can do a join and show the gifts sent in the sentGifts table, but it won't be able to show the sentTime because that is inside the subquery?

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• How to use Linq To Sql to get Users who has more than 2 photos?

  - by Mike108

  The scenario is I want to get the users who has more than 2 photos. There are two table: [Users] (UserId, UserName) [UserPhotos] (PhotoId, PhotoName, UserId) and UserId is a Foreign Key. A user may have none photo in the [UserPhotos] table. How to use Linq To Sql to get List who has more than 2 photos?

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• SQL CE, SQLite. What are the differences between them?

  - by acidzombie24

  What is the difference between SQL CE and SQLite? In what situation would i choose one over the other?

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• SQL: ... WHERE X IN (SELECT Y FROM ...) ...

  - by Craig Johnston

  Is the following the most efficient in SQL to achieve its result: SELECT * FROM Customers WHERE Customer_ID NOT IN (SELECT Cust_ID FROM SUBSCRIBERS) Could some use of joins be better and achieve the same result?

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• How do I add a record only if it doesn't already exist in SQL Server?

  - by menacheb

  Hi, I have a project in C# with a Sql-server Database. In that database I have a table named 'Process' and columns named 'process_name', 'Full_Name' and 'Version' (all of the type:nvarchar(50)). I want to write a query wich will add the new process, only if it doesn't exist in the table yet. How can I do that? Many thanks,

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• SQL SERVER Query result in CSV format is possible?

  - by gopal

  Hi, Is it possible to get the query result in .CSV file format from SQL SERVER 2000 and above versions? If so can we use this feature from an asp.net application to get the result in CSV format? If so how can we do this?

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• Does Hibernate log the values that it assigns to placeholders in prepared SQL statements?

  - by Derek Mahar

  Does Hibernate log the values that it assigns to placeholders in prepared SQL statements? How can configure Log4j so that it writes these values to my log files?

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• LINQ to SQL .Count takes way to much process time and decreases performances.

  - by soldieraman

  LINQ to SQL .Count takes way to much process time and decreases performances. I am doing a recursive loop and for one child (lets call it parent) I have to check the number of children under it to make a decision if it should be included or not. The Count is too slow 8 ms :( for 120 parent records. Any ideas to make it quicker.

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• sql server: looking for table usage through out database...

  - by dotnet-practitioner

  How would I figure out what type of sql code such as procs, functions, views etc. are interacting with my table called TABLE1 through out a given database. Sample code would be very helpful for me. thanks

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• how to get time (hh:mm:ss) from sql query ?

  - by Gold

  hi i have Database with date field. i see the time like: 1900-01-01 13:38:00.000 how i can see it like: 13:38 ? (i work on sql server 2008) thank's in advance

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• How do I insert records into 2 SQL tables sharing a dependency when I don't commit until the end?

  - by Cunning Lingus

  I keep finding myself in this situtation: I have an ASP.NEt 2.0 app. I have to insert into 2 tables in SQL. There is a dependency between the tables. I insert a record the first using a transaction. Then I move onto the 2nd table. But, because the first isn't committed yet the second one throws a error.

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• What SQL query should I perform to get the result set expected?

  - by texai

  What SQL query should I perform to get the result set expected, giving the first element of the chain (2) as input data, or any of them ? table name: changes +----+---------------+---------------+ | id | new_record_id | old_record_id | +----+---------------+---------------+ | 1| 4| 2| | -- non relevant data -- | | 6| 7| 4| | -- non relevant data -- | | 11| 13| 7| | 12| 14| 13| | -- non relevant data -- | | 31| 20| 14| +----+---------------+---------------+ Result set expected: +--+ | 2| | 4| | 7| |13| |14| |20| +--+ I know I should consider change my data model, but: What if I couldn't? Thank you in advance!

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• I have a problem saving foriegn text to a SQL Server database table with a nvarchar field.

  - by user307840

  I have a requirement to have a multiline textbox that accepts any text from any language and stores this into the database for later use. I am using Linq with ASP .NET 3.5 with a SQL Server 2005 database. Any/all information you can provide me with is much appreciated :D

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• How to distinguish between the first and rest for duplicate records using sql ?

  - by Biswanath

  Hi, These are the input table and required output table. Input table ID Name ------------- 1 aaa 1 ababaa 2 bbbbbb 2 bcbcbccbc 2 bcdbcdbbbbb 3 ccccc Output table ID Name Ord ----------------------------- 1 aaa first 1 ababaa rest 2 bbbbbb first 2 bcbcbccbc rest 2 bcdbcdbbbbb rest 3 ccccc first First and Rest is based on the occurrence of an ID field. Is there a way to write a SQL query to achieve this ? P.S. - This question is somewhat similar to what I am looking for.

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• How to write or append to text file using sql?

  - by aron

  Hello, in short i need to convert following C# code into SQL stored procedure foreach (var e in Entity) { if (File.Exists(e.Filename)) File.AppendAllText(e.Filename,e.Content); else File.WriteAllText(e.Filename, e.Content); }

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