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• SQL query joining rows with same value

  - by user1285737

  I need to write a query that creates a view that calculates the total cost of each sale, by considering quantity and price of each bought item. The view should return the debit and total cost. In the answer each debit-number should only occur once. Thanks in advance Table ITEM: ID NAME PRICE 118 Jeans 100 120 Towel 20 127 Shirt 55 Table DEBIT: DEBIT ITEM Quantity 100581 118 5 100581 120 1 100586 127 5

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• Need a set based solution to group rows

  - by KM

  I need to group a set of rows based on the Category column, and also limit the combined rows based on the SUM(Number) column to be less than or equal to the @Limit value. For each distinct Category column I need to identify "buckets" that are <=@limit. If the SUM(Number) of all the rows for a Category column are <=@Limit then there will be only 1 bucket for that Category value (like 'CCCC' in the sample data). However if the SUM(Number)@limit, then there will be multiple bucket rows for that Category value (like 'AAAA' in the sample data), and each bucket must be <=@Limit. There can be as many buckets as necessary. Also, look at Category value 'DDDD', its one row is greater than @Limit all by itself, and gets split into two rows in the result set. Given this simplified data: DECLARE @Detail table (DetailID int primary key, Category char(4), Number int) SET NOCOUNT ON INSERT @Detail VALUES ( 1, 'AAAA',100) INSERT @Detail VALUES ( 2, 'AAAA', 50) INSERT @Detail VALUES ( 3, 'AAAA',300) INSERT @Detail VALUES ( 4, 'AAAA',200) INSERT @Detail VALUES ( 5, 'BBBB',500) INSERT @Detail VALUES ( 6, 'CCCC',200) INSERT @Detail VALUES ( 7, 'CCCC',100) INSERT @Detail VALUES ( 8, 'CCCC', 50) INSERT @Detail VALUES ( 9, 'DDDD',800) INSERT @Detail VALUES (10, 'EEEE',100) SET NOCOUNT OFF DECLARE @Limit int SET @Limit=500 I need one of these result set: DetailID Bucket | DetailID Category Bucket -------- ------ | -------- -------- ------ 1 1 | 1 'AAAA' 1 2 1 | 2 'AAAA' 1 3 1 | 3 'AAAA' 1 4 2 | 4 'AAAA' 2 5 3 OR 5 'BBBB' 1 6 4 | 6 'CCCC' 1 7 4 | 7 'CCCC' 1 8 4 | 8 'CCCC' 1 9 5 | 9 'DDDD' 1 9 6 | 9 'DDDD' 2 10 7 | 10 'EEEE' 1

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• How do i find out in sql what db name I'm connect to

  - by gjutras

  We have a change control environment where the developers give scripts to change control people to run. we have dev,qa, & production environments. I want to conditionalize a couple segments to do some different things depending on what database the change control person is running my script. If @dbname='dev' then begin --do some dev stuff end If @dbname='QA' then begin --do some qa stuff end If @dbname='Prod' then begin --do some production stuff end How do I get at what the current connected database is and fill @dbname?

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• Why won't sql server express 2008 service restart after I enable TCP/IP Protocol?

  - by John

  Whenever I enable TCP/IP connections on my SQL Server Express 2008 database server running on Windows XP SP3, I cannot restart the service, it simply states "The request failed or did respond in a timely fashion". Any suggestions of what I may have configured incorrectly? [update] Here is the applicable part of the Error Log: MSSQL$SQLEXPRESS Server failed to list on 'any' 3060. Error: 0x2747. To proceed, notify you system administrator. MSSQL$SQLEXPRESS TDSSNIClient initialization failed with error 0x2747, status code 0xa. Reason: Unable to initialize the TCP/IP listener. An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full. MSSQL$SQLEXPRESS TDSSNIClient initialization failed with error 0x2747, status code 0x1. Reason: Initialization failed with an infrastructure error. Check for previous errors. An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full. MSSQL$SQLEXPRESS Could not start the network library because of an internal error in the network library. To determine the cause, review the errors immediately preceding this one in the error log. MSSQL$SQLEXPRESS SQL Server could not spawn FRunCM thread. Check the SQL Server error log and the Windows event logs for information about possible related problems.

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• Modifying SQL XML ?olumn

  - by Chinjoo

  I have an XML column in one of my table. For example I have an Employee table with following fields: Name (varhcar) | Address (XML) The Address field is having values like <Address> <Street></Street> <City></City> </Address> I have some n number of rows already in the table. Now I want to insert a new node - Country to all the rows in tha table. With default: <Country>IND</Country>. How can I write the query for this. I want all the existing data to be as it is with adding the country node to all the Address column XML.

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• Why does this properly escaped SQL query fail?

  - by Jason Rhodes

  Here's the query: INSERT INTO jobemails (jobid, to, subject, message, headers, datesent) VALUES ('340', '[email protected]', 'We\'ve received your request for a photo shoot called \'another\'.', 'message', 'headers', '2010-04-22 15:55:06') The datatypes are all correct, it always fails at the subject, so it must be how I'm escaping the values, I assume. I'm sure one of you will see my idiot mistake right away. A little help?

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• Is this SQL is valid?

  - by Beck

  UPDATE polls_options SET `votes`=`votes`+1, `percent`=ROUND((`votes`+1) / (SELECT voters FROM polls WHERE poll_id=? LIMIT 1) * 100,1) WHERE option_id=? AND poll_id=? Don't have table data yet, to test it properly. :) And by the way, in what type % integers should be stored in database? Thanks for the help!

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• Difference between dates when grouping in SQL

  - by CeejeeB

  I have a table of purchases containing a user_id and a date_of_purchase. I need to be able to select all the users who have made 2 purchases within 12 months of each other. The dates can be any point in time as long as they are less than 12 months apart. e.g. user_id date_of_purchase 123 01/Jan/2010 124 01/Aug/2010 123 01/Feb/2010 124 05/Aug/2008 In this example i want user_id 123

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• How to enumerate returned rows in SQL?

  - by SilentGhost

  I was wondering if it would be possible to enumerate returned rows. Not according to any column content but just yielding a sequential integer index. E.g. select ?, count(*) as usercount from users group by age would return something along the lines: 1 12 2 78 3 4 4 42

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• SQL java get value assigned to auto increment primary key

  - by iamrohitbanga

  I have a primary key auto increment attribute in my table. I want to know the value assigned to it for a row that is inserted using statement.executeQuery(). How to achieve this in the best possible manner?

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• SQL query help - merge a value to all rows in a column

  - by Tommy

  I'm trying to migrate a site from a joomla system to a drupal. The problem is that drupal needs filename and sourcepath in the same row, but joomla only has filename. I'm looking for a way to add sourcepath before the filename in all the rows in that column. I'm figuring it's the UPDATE statement that I should use, but I can't figure out how to construct the query. There's a person with a similar problem here, but I don't find the answers in that thread helpful to my problem: http://www.daniweb.com/forums/showth...t+value&page=2 Any suggestions?

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• What is wrong with this simple update query?

  - by Kyle Noland

  I get no error message, but the row is not updated. The rows integer is set 1 following the query, indicating that 1 row was affected. String query = "UPDATE contacts SET contact_name = '" + ContactName.Text.Trim() + "', " + "contact_phone = '" + Phone.Text.Trim() + "', " + "contact_fax = '" + Fax.Text.Trim() + "', " + "contact_direct = '" + Direct.Text.Trim() + "', " + "company_id = '" + Company.SelectedValue + "', " + "contact_address1 = '" + Address1.Text.Trim() + "', " + "contact_address2 = '" + Address2.Text.Trim() + "', " + "contact_city = '" + City.Text.Trim() + "', " + "contact_state = '" + State.SelectedValue + "', " + "contact_zip = '" + Zip.Text.Trim() + "' " + "WHERE contact_id = '" + contact_id + "'"; String cs = Lib.GetConnectionString(null); SqlConnection conn = new SqlConnection(cs); SqlCommand cmd = conn.CreateCommand(); cmd.CommandText = query; cmd.Connection.Open(); int rows = cmd.ExecuteNonQuery();

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• Help with SQL query

  - by user154301

  Hello, I have list of DateTime values, and for each value I need to fetch something from the database. I would like to do this with one query. I know it's possible to pass a table (list) to the stored procedure, but Im not sure how to write the query itself. Let's say I have the following table: CREATE TABLE Shows( ShowId [int] NOT NULL, StartTime DateTime NOT NULL, EndTime DateTime NOT NULL ) and an array of dates DECLARE @myDateArray MyCustomDateArrayType Now, if I were fetching a single item, I would write a query like this: SELECT * FROM Shows WHERE StartTime > @ArrayItem and @ArrayItem < EndTime where @ArrayItem is an item from @myDateArray . But how do I formulate the query that would fetch the information for all array items? Thanks!

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• SQL like conditions

  - by garpunkal

  Hi, What does this mean within my like statement? LIKE '%[ .,!?]' + keyword + '[ .,!?]%' I'm trying to get something, that will match for whole words

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• subqueries in UPDATE SET (sql server 2005)

  - by itdebeloper

  I have a question about using subqueries in an Update statement. My example: UPDATE TRIPS SET locations = city + ', ' FROM (select Distinct city from poi where poi.trip_guid = trips.guid) Is it possible to refer to main table value (trips.guid) in subqueries? When i try to use trips.guid I get the error: "The multi-part identifier "trips.guid" could not be bound."

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• select columns by a concat text as columnname in oracle

  - by glaudiston

  I have a table with columns named with the number of hour of day like this: col00 NUMBER(5) col01 NUMBER(5) col02 NUMBER(5) ... col23 NUMBER(5) ...and I have another query that returns a count by hour. I want to recover the colXX value by hour.... then I can recover with "decode" or "case when..." but I want know if exists any way to recover the column by a text like this: select "col"||hour from table; in the hypothetical above example if hour is 13 then would be translated like: select col13 from table; there is any way to do this ?

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• SQL: Limit rows linked to each joined row

  - by SolidSnakeGTI

  Hello, I've certain situation that requires certain result set from MySQL query, let's see the current query first & then ask my question: SELECT thread.dateline AS tdateline, post.dateline AS pdateline, MIN(post.dateline) FROM thread AS thread LEFT JOIN post AS post ON(thread.threadid = post.threadid) LEFT JOIN forum AS forum ON(thread.forumid = forum.forumid) WHERE post.postid != thread.firstpostid AND thread.open = 1 AND thread.visible = 1 AND thread.replycount >= 1 AND post.visible = 1 AND (forum.options & 1) AND (forum.options & 2) AND (forum.options & 4) AND forum.forumid IN(1,2,3) GROUP BY post.threadid ORDER BY tdateline DESC, pdateline ASC As you can see, mainly I need to select dateline of threads from 'thread' table, in addition to dateline of the second post of each thread, that's all under the conditions you see in the WHERE CLAUSE. Since each thread has many posts, and I need only one result per thread, I've used GROUP BY CLAUSE for that purpose. This query will return only one post's dateline with it's related unique thread. My questions are: How to limit returned threads per each forum!? Suppose I need only 5 threads -as a maximum- to be returned for each forum declared in the WHERE CLAUSE 'forum.forumid IN(1,2,3)', how can this be achieved. Is there any recommendations for optimizing this query (of course after solving the first point)? Notes: I prefer not to use sub-queries, but if it's the only solution available I'll accept it. Double queries not recommended. I'm sure there's a smart solution for this situation. I'm using MySQL 4.1+, but if you know the answer for another engine, just share. Appreciated advice in advance :)

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• What is wrong with this SQL syntax?

  - by Finbarr

  UPDATE files SET filepath = REPLACE(filepath, `sites/somedomain.com/files/`, `sites/someotherdomain.com/files/`); I have a table called files with a field called filepath. MySQL returns this error: Unknown column 'sites/somedomain.com/files/' in 'field list'

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• Date & time query question (sql-server 2008)

  - by Gold

  hi i have table that contain date and time field. id|date|time ========= 1|01/01/2001|10:45 2|01/02/2002|11:45 3|01/03/2003|12:45 4|01/04/2004|12:55 i need to know the difference between the MAX(date) and the MIN(date) and the MAX(time) and the MIN(time) something like.... MAX(date)-MIN(date) ???..... thank's in advance

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• SSIS Migration - Pulling IDs from dest DB?

  - by TheSciz

  So I'm working on migrating some data to a new server. In the new server, each entry in the MAIN table is assigned a new GUID when the transfer takes place. A few other tables must be migrated, and their records must link to the GUID in the MAIN table. Example... WorksheetID --- GUID 1245677903 --- 1 AccidentID --- WorksheetID --- Guid 12121412 --- 1245677903 --- 1 The guid is used moreso for versioning purposes, but my question is this. In SSIS, is there any way to pull the Worksheet's GUID from the destination database and assign it directly to the entries in the 'Accident' table? Or do I have to just dump the data into the source DB and run some scripts to get everything nicely referenced? Any help would be greatly appreciated.

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• Sql Server as logging, best connection practise

  - by ozz

  I'm using SqlServer as logging. Yes this is wrong decision, there are better dbs for this requirement. But I have no other option for now. Logging interval is 3 logs per second. So I've static Logger class and it has static Log method. Using "Open Connection" as static member is better for performance. But what is the best implemantation of it? This is not that I know. public static class OzzLogger { static SqlConnection Con; static OzzLogger() { Con=ne SqlConnection(....); Con.Open(); } public static void Log(....) { Con.ExecuteSql(......); } } UPDATE I asked because of my old information. People say "connection pooling performance is enough". If there is no objection I'm closing the issue :)

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• Android sql creating database once

  - by semajhan

  One thing i'm not understanding is how to create the database and data just once in an android application. I extend SQLiteOpenHelper and use a DataHelper class that to manipulate data. Now, I have addEvent() and updateEvent() within the DataHelper class. I create an instance of DataHelper in my Activity and addEvent() a couple of times to insert data. Well, now I don't know how to just do that once. If I restart the app, its just going to "addEvent()" again and so the data is being reset every time. Sorry for the probably really REALLY noob question. The only solution I found was not using the DataHelper class and just adding data "manually" within the onCreate() method in SQLiteOpenHelper.

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• Reseeding the Identity column for new records only (SQL)

  - by Arnej65

  I have data in a table, but am working on data loading. I want to reseed all new inserts for testing. What would be the line to set all new inserts to a certain seed value?

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• Sql Server Management Studio Express (2005 or 2008) - Save Password Doesn't work

  - by hamlin11

  I always click "Remember Password" when connecting to a database server. Sometimes when I come back into SSMS, it has it remembered, sometimes not. More often it does not. I regularly connect to about 4 different servers, it's fairly random when it works for which servers. How can I get this to work all the time?

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• Interval arithmetic to correctly deal with end of month - Oracle SQL

  - by user2003974

  I need a function which will do interval arithmetic, dealing "correctly" with the different number of days in a month. For my version of "correctly" - see below! First try select to_date('31-May-2014') + interval '1' months from dual This returns an error, because there is no 31st June. I understand that this behaviour is expected due to the ANSI standard. Second try select add_months(to_date('31-May-2014'),1) from dual This correctly (in my use case) returns 30th June 2014, which is great. BUT select add_months(to_date('28-Feb-2014'),1) from dual returns 31st March 2014, when I want 28th March 2014. Background This has to do with legal deadlines. The deadlines are expressed in law as a number of months (say, 3) from a base date. If the base date is last day of the month and three months later the month is longer, then the deadline does NOT extend to the end of the longer month (as per the add_months function). However, if the base date is last day of the month and three months later the month is shorter, then the deadline expires on the last day of the shorter month. Question Is there a function that does what I need? I have intervals (year to month) stored in a table, so preferably the function would look like: add_interval_correctly(basedate DATE, intervaltoadd INTERVAL YEAR TO MONTH)

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