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  • SSIS - Parallel Execution of Tasks - How efficient is it?

    - by Randy Minder
    I am building an SSIS package that will contain dozens of Sequence tasks. Each Sequence task will contain three tasks. One to truncate a destination table and remove indexes on the table, another to import data from a source table, and a third to add back indexes to the destination table. My question is this. I currently have nine of these Sequences tasks built, and none are dependent on any of the others. When I execute the package, SSIS seems to do a pretty good job of determining which tasks in which Sequence to execute, which, by the way, appears to be quite random. As I continue adding more Sequences, should I attempt to be smarter about how SSIS should execute these Sequences, or is SSIS smart enough to do it itself? Thanks.

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  • How to manage Constants in Application

    - by changed
    what is the best way to use Application Constants ? What i usually do is create a separate table in database of constants and reference them as foreign key in other table. In Java i use enum. But how to keep a single place of authority for constants in application and what are the different ways i can do that(like table or enum).

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  • Getting the primary key back from a SQL insert with SQLLite

    - by Paul Nathan
    Hi, I have a SQL table set that looks like this create table foo ( id int primary key asc, data datatype ); create table bar ( id int primary key asc, fk_foo int, foreign key(foo_int) references foo(id)); Now, I want to insert a record set. insert into table foo (data) values (stuff); But wait - to get Bar all patched up hunkydory I need the PK from Foo. I know this is a solved problem. What's the solution?

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  • Query column and everything subordinate (hard to describe, non native speaker, PLS let me explain)

    - by MAD9
    A few weeks ago, I asked a question about how to generate hierarchical XML from a table, that has a parentID column. It all works fine. The point is, according to the hierarchy, I also want to query a table. I'll give you an example: Thats the table with the codes: ID CODE NAME PARENTID 1 ROOT IndustryCode NULL 2 IND Industry 1 3 CON Consulting 1 4 FIN Finance 1 5 PHARM Pharmaceuticals 2 6 AUTO Automotive 2 7 STRAT Strategy 3 8 IMPL Implementation 3 9 CFIN Corporate Finance 4 10 CMRKT Capital Markets 9 From which I generate (for displaying in a TreeViewControl) this XML: <record key="1" parentkey="" Code="ROOT" Name="IndustryCode"> <record key="2" parentkey="1" Code="IND" Name="Industry"> <record key="5" parentkey="2" Code="PHARM" Name="Pharmaceuticals" /> <record key="6" parentkey="2" Code="AUTO" Name="Automotive" /> </record> <record key="3" parentkey="1" Code="CON" Name="Consulting"> <record key="7" parentkey="3" Code="STRAT" Name="Strategy" /> <record key="8" parentkey="3" Code="IMPL" Name="Implementation" /> </record> <record key="4" parentkey="1" Code="FIN" Name="Finance"> <record key="9" parentkey="4" Code="CFIN" Name="Corporate Finance"> <record key="10" parentkey="9" Code="CMRKT" Name="Capital Markets" /> </record> </record> </record> As you can see, some codes are subordinate to others, for example AUTO << IND << ROOT What I want (and have absolutely no idea how to realise or even, where to start) is to be able to query another table (where one column is this certain code of course) for a code and get all records with the specific code and all subordinate codes For example: I query the other table for "IndustryCode = IND[ustry]" and get (of course) the records containing "IND", but also AUTO[motive] and PHARM[aceutical] (= all subordinates) Its an SQL Express Server 2008 with Advanced Services.

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  • SQL Server - CAST AND DIVIDE

    - by rs
    DECLARE @table table(XYZ VARCHAR(8) , id int) INSERT INTO @table SELECT '4000', 1 UNION ALL SELECT '3.123', 2 UNION ALL SELECT '7.0', 3 UNION ALL SELECT '80000', 4 UNION ALL SELECT NULL, 5 SELECT CASE WHEN PATINDEX('^[0-9]{1,5}[\.][0-9]{1,3}$', XYZ) = 0 THEN XYZ WHEN PATINDEX('^[0-9]{1,8}$',XYZ) = 0 THEN CAST(XYZ AS decimal(18,3))/1000 ELSE NULL END FROM @table This part - CAST(XYZ AS decimal(18,3))/1000 doesn't divide value it gives me more number of zeros after decimal instead of dividing it. (I even enclosed that in brackets and tried but same result) Am i doing something wrong here?

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  • MySQL - optimising selection across two linked tables

    - by user293594
    I have two MySQL tables, states and trans: states (200,000 entries) looks like: id (INT) - also the primary key energy (DOUBLE) [other stuff] trans (14,000,000 entries) looks like: i (INT) - a foreign key referencing states.id j (INT) - a foreign key referencing states.id A (DOUBLE) I'd like to search for all entries in trans with trans.A 30. (say), and then return the energy entries from the (unique) states referenced by each matching entry. So I do it with two intermediate tables: CREATE TABLE ij SELECT i,j FROM trans WHERE A30.; CREATE TABLE temp SELECT DISTINCT i FROM ij UNION SELECT DISTINCT j FROM ij; SELECT energy from states,temp WHERE id=temp.i; This seems to work, but is there any way to do it without the intermediate tables? When I tried to create the temp table with a single command straight from trans: CREATE TABLE temp SELECT DISTINCT i FROM trans WHERE A30. UNION SELECT DISTINCT j FROM trans WHERE A30.; it took a longer (presumably because it had to search the large trans table twice. I'm new to MySQL and I can't seem to find an equivalent problem and answer out there on the interwebs. Many thanks, Christian

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  • Is there a way to optimize this update query?

    - by SchlaWiener
    I have a master table called "parent" and a related table called "childs" Now I run a query against the master table to update some values with the sum from the child table like this. UPDATE master m SET quantity1 = (SELECT SUM(quantity1) FROM childs c WHERE c.master_id = m.id), quantity2 = (SELECT SUM(quantity2) FROM childs c WHERE c.master_id = m.id), count = (SELECT COUNT(*) FROM childs c WHERE c.master_id = m.id) WHERE master_id = 666; Which works as expected but is not a good style because I basically make multiple SELECT querys on the same result. Is there a way to optimize that? (Making a query first and storing the values is not an option. I tried this: UPDATE master m SET (quantity1, quantity2, count) = ( SELECT SUM(quantity1), SUM(quantity2), COUNT(*) FROM childs c WHERE c.master_id = m.id ) WHERE master_id = 666; but that doesn't work.

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  • Displaying tree path of record in SQL Server 2005

    - by jskiles1
    An example of my tree table is: ([id] is an identity) [id], [parent_id], [path] 1, NULL, 1 2, 1, 1-2 3, 1, 1-3 4, 3, 1-3-4 My goal is to query quickly for multiple rows of this table and view the full path of the node from its root, through its superiors, down to itself. The ultimate question is, should I generate this path on inserts and maintain it in its own column or generate this path on query to save disk space? I guess it depends if this table is write heavy or read heavy. I've been contemplating several approaches to using the "path" characteristic of this parent/child relationship and I just can't seem to settle on one. This "path" is simply for display purposes and serves absolutely no purpose other than that. Here is what I have done to implement this "path." AFTER INSERT TRIGGER - requires passing a NULL path to the insert and updating the path for the record at the inserted rows identity INSTEAD OF INSERT TRIGGER - does not require insert to have NULL path passed, but does require the trigger to insert with a NULL path and updating the path for the record at SCOPE_IDENTITY() STORED PROCEDURE - requiring all inserts into this table to be done through the stored procedure implementing the trigger logic VIEW - requires building the path in the view 1 and 2 seem annoying if massive amounts of data are entered at once. 3 seems annoying because all inserts must go through the procedure in order to have a valid path populated. 1, 2, and 3 require maintaining a path column on the table. 4 removes all the limitations of the above but require the view to perform the path logic and requires use of the view if a path is to be displayed. I have successfully implemented all of the above approaches and I'm mainly looking for some advice. Am I way off the mark here or are any of the above acceptable? Each has it's advantages and disadvantages.

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  • Association not imported in EF4 designer for non-primary key

    - by Rommel Manalo
    The relationship 'FK_EXTERNAL_ISMARKETI_MARKETIN' has columns that are not part of the key of the table on the primary side of the relationship. The relationship was excluded. USE [Instruments.UnitTest] GO ALTER TABLE [Instr].[ExternalIdentification] WITH CHECK ADD CONSTRAINT [FK_EXTERNAL_ISMARKETI_MARKETIN] FOREIGN KEY([InstrumentID], [MarketInstrumentID]) REFERENCES [Instr].[MarketInstrument] ([InstrumentID], [MarketInstrumentID]) GO ALTER TABLE [Instr].[ExternalIdentification] CHECK CONSTRAINT [FK_EXTERNAL_ISMARKETI_MARKETIN] GO I'm using an association for NON-PRIMARY KEY columns, is this possible in the EF4?

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  • EXPORT AS INSERT STATEMENTS: But in SQL Plus the line overrides 2500 characters!

    - by The chicken in the kitchen
    Hello, I have to export an Oracle table as INSERT STATEMENTS. But the INSERT STATEMENTS so generated, override 2500 characters. I am obliged to execute them in SQL Plus, so I receive an error message. This is my Oracle table: CREATE TABLE SAMPLE_TABLE ( C01 VARCHAR2 (5 BYTE) NOT NULL, C02 NUMBER (10) NOT NULL, C03 NUMBER (5) NOT NULL, C04 NUMBER (5) NOT NULL, C05 VARCHAR2 (20 BYTE) NOT NULL, c06 VARCHAR2 (200 BYTE) NOT NULL, c07 VARCHAR2 (200 BYTE) NOT NULL, c08 NUMBER (5) NOT NULL, c09 NUMBER (10) NOT NULL, c10 VARCHAR2 (80 BYTE), c11 VARCHAR2 (200 BYTE), c12 VARCHAR2 (200 BYTE), c13 VARCHAR2 (4000 BYTE), c14 VARCHAR2 (1 BYTE) DEFAULT 'N' NOT NULL, c15 CHAR (1 BYTE), c16 CHAR (1 BYTE) ); ASSUMPTIONS: a) I am OBLIGED to export table data as INSERT STATEMENTS; I am allowed to use UPDATE statements, in order to avoid the SQL*Plus error "sp2-0027 input is too long(2499 characters)"; b) I am OBLIGED to use SQL*Plus to execute the script so generated. c) Please assume that every record can contain special characters: CHR(10), CHR(13), and so on; d) I CAN'T use SQL Loader; e) I CAN'T export and then import the table: I can only add the "delta" using INSERT / UPDATE statements through SQL Plus.

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  • Keyword search on all columns of multiple tables in sql server

    - by hiralshah
    Dear all, We are maintaining the profile information’s (like profile first name, last name, address, city, state, age, religion, occupation, education, etc….) from tbl_profie table in sql server. The users can search profiles using any keywords like Example 1: MBBS, Delhi, India Example 2: MBA, Delhi, cricket Example 3 : London, Hindu Tbl_profile table defending some parent table like Tbl_city, Tbl_state, Tbl_country, Tbl_occupation, Tbl_education tables, etc. So how to fetch user search results from Tbl_profile and profiles related tables using user’s keyword with easiest way.

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  • Terminating app due to uncaught exception 'NSInvalidArgumentException' in iPhnoe

    - by mayur birari
    i have view controller including image ,table and tab ,i want to fill the table thats why i written separate class for table as uitableviewcontroller and give mapping to that class in IB, but i have following exception Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '* -[AssetTableView superview]: unrecognized selector sent to instance 0x39322b0' please give me answer ,i am waiting, thANKS IN ADVANCE

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  • Dynamic paging using divs and Javascript

    - by jethomas
    I have a recordset loop that creates a table, and every 9 items it wraps a div around them so basically looks like: <div> <table>rs1, rs2 ----> rs9</table> </div> <div> <table>rs10, rs11 ----> rs18</table> </div> etc... Now, I want it so at first only the first div is showing and the others are hidden, but I have ASP loop that generates clickable links for the various divs (pages) and clicking on any given link will show that div and hide all the others. Here is the asp code I have so far: Dim i If totalPages > 1 Then Response.Write("<div id='navigation'>") For i=1 to totalPages Response.Write ("<a href='' onlick=''>"& i &"</a> | ") Next Response.Write("</div>") End If Now I just need to figure out the javascript...

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  • NULL ForeignKeyTo property in Subsonic 3/ASP.NET MVC?

    - by chad
    Issue: the primary key of the base table is named differently than the the key in the fk table. Subsonic 3 does not know how to handle that, which is fine, its beta. So I was going to change the Html.ControlFor logic to just grab the table and use the pkname from that: var fk = db.FindTable(col.ForeignKeyTo.FriendlyName); However the .ForeignKeyTo is null. Where in the templates does that ITable get populated?

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  • Fastest way to convert a list of doubles to a unique list of integers?

    - by javanix
    I am dealing with a MySQL table here that is keyed in a somewhat unfortunate way. Instead of using an auto increment table as a key, it uses a column of decimals to preserve order (presumably so its not too difficult to insert new rows while preserving a primary key and order). Before I go through and redo this table to something more sane, I need to figure out how to rekey it without breaking everything. What I would like to do is something that takes a list of doubles (the current keys) and outputs a list of integers (which can be cast down to doubles for rekeying). For example, input {1.00, 2.00, 2.50, 2.60, 3.00} would give output {1, 2, 3, 4, 5). Since this is a database, I also need to be able to update the rows nicely: UPDATE table SET `key`='3.00' WHERE `key`='2.50'; Can anyone think of a speedy algorithm to do this? My current thought is to read all of the doubles into a vector, take the size of the vector, and output a new vector with values from 1 => doubleVector.size. This seems pretty slow, since you wouldn't want to read every value into the vector if, for instance, only the last n/100 elements needed to be modified. I think there is probably something I can do in place, since only values after the first non-integer double need to be modified, but I can't for the life of me figure anything out that would let me update in place as well. For instance, setting 2.60 to 3.00 the first time you see 2.50 in the original key list would result in an error, since the key value 3.00 is already used for the table.

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  • Foreign key not working in MySQL: Why can I INSERT a value that's not in the foreign column?

    - by stalepretzel
    I've created a table in MySQL: CREATE TABLE actions ( A_id int NOT NULL AUTO_INCREMENT, type ENUM('rate','report','submit','edit','delete') NOT NULL, Q_id int NOT NULL, U_id int NOT NULL, date DATE NOT NULL, time TIME NOT NULL, rate tinyint(1), PRIMARY KEY (A_id), CONSTRAINT fk_Question FOREIGN KEY (Q_id) REFERENCES questions(P_id), CONSTRAINT fk_User FOREIGN KEY (U_id) REFERENCES users(P_id)); This created the table I wanted just fine (although a "DESCRIBE actions;" command showed me that the foreign keys were keys of type MUL, and I'm not sure what this means). However, when I try to enter a Q_id or a U_id that does not exist in the questions or users tables, MySQL still allows these values. What did I do wrong? How can I prevent a table with a foreign key from accepting invalid data? If I add TYPE=InnoDB to the end, I get an error: ERROR 1005 (HY000): Can't create table './quotes/actions.frm' (errno: 150) Why might that happen? I'm told that it's important to enforce data integrity with functional foreign keys, but also that InnoDB should not be used with MySQL. What do you recommend?

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  • MySQL - query to return CSV in a field?

    - by StackOverflowNewbie
    Assume I have the following tables: TABLE: foo - foo_id (PK) TABLE: tag - tag_id (PK) - name TABLE: foo_tag - foo_tag_id (PK) - foo_id (FK) - tag_id (FK) How do I query this so that I get a result like this: ========================== | foo_id | tags | ========================== | 1 | foo, bar | | 2 | foo | | 3 | bar | -------------------------- Basically, I need all of foo's tags in one column, comma separated. Possible in MySQL?

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  • STOP ERASING MY QUESTIONS! - VIEWING FIRST_ROWS BEFORE QUERY COMPLETES (RE-VISITED)

    - by Frank Developer
    OK, so say I have a table with 500K rows, then I ad-hoc query with unsupported indexing which requires a full table scan. I would like to immediately view the first rows returned while the full table scan continues. Then I want to scroll thru the next results. In the meantime, I would like to display the progress of the table scan, example: "SEARCHING.. FOUND 23 OF 500,000 ROWS SO FAR". If I scroll too far ahead, I want to display a message like: "REACHED LAST ROW IN LOOK-AHEAD BUFFER.. QUERY HAS NOT COMPLETED".. Can this be done? Maybe like: spawn/exec, declare scroll cursor, open, fetch, etc.?

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  • jQuery custom validation for a selected radio selection

    - by Kaushik Gopal
    Hey peeps, This is my requirement: I have a bunch of radio box selections (types of workflows). If one of the radios are selected(i.e one particular type of workflow selected), I want to run a custom validation on that. This is what i tried, but it's not behaving well. Any help? jQuery part: $(document).ready(function() { // this part is to expand the child radio selection if particular parent workflow selected $("#concernedDirectorChoice").hide(); $("input[name^=workflowChoice]").change( function (){ if($(this).attr("class")=='chooseDir'){ $("#concernedDirectorChoice").show(); }else{ $("#concernedDirectorChoice").hide(); } }); // FORM VALIDATION $.validator.addMethod("dirRequired", function(value, element) { return this.optional(element) || ($("input[name^=rdDir:checked]").length); }, "That particular workflow requires a Director to be chosen. Please select Director"); $("#contExpInitiateForm").validate({ debug:true ,rules:{ RenewalNo: {required: true, number: true}, chooseDir: {dirRequired: true}, workflowChoice: {required: true} } ,errorPlacement: function(error, element) { $('.errorMessageBox').text(error.html()); } }); }); HTML form part: <!-- Pick type of workflow --> <table class="hr-table" > <tr> <td class="hr-table-label " colspan=2 >Pick Workflow Type</td> </tr> <tr> <td> <input type="radio" name="workflowChoice" value="1"> </input> </td> <td> Workflow 1 </td> </tr> <tr> <td> <input type="radio" name="workflowChoice" value="2" class="chooseDir"> </input> </td> <td> Workflow 2 (Dir selection required) </td> </tr> <tr> <td> <input type="radio" name="workflowChoice" value="3"> </input> </td> <td> Workflow 3 </td> </tr> </table> <!-- Pick Director for Workflow type 2 --> <table id="concernedDirectorChoice" name="concernedDirectorChoice" > <tr><td class="hr-table-label" colspan=2 > Choose Concerned Director</td></tr> <tr> <td><input type="radio" value='Dir1' name="rdDir" /></td> <td>Director 1</td> </tr> <tr> <td><input type="radio" value='Dir2' name="rdDir" /></td> <td>Director 2</td> </tr> <tr> <td><input type="radio" value='Dir3' name="rdDir" /></td> <td>Director 3</td> </tr> </table>

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  • iphone reset tableview

    - by satyam
    I'm having navigation controller with few views. I've table view in one of the views. I'm showing tick mark when user selects a cell in table view. Upto this point, its fine. When user goes back to previous view and comes back, i want to reset the table view. How?

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  • Entity Framework doesn't like 0..1 to * relationships.

    - by Orion Adrian
    I have a database framework where I have two tables. The first table has a single column that is an identity and primary key. The second table contains two columns. One is a nvarchar primary key and the other is a nullable foreign key to the first table. On the default import of the database I get the following error: Condition cannot be specified for Column member 'ForeignKeyId' because it is marked with a 'Computed' or 'Identity' StoreGeneratedPattern. where ForeignKeyId is the second foreign key reference in the second table. Is this just something the entity model doesn't do? Or am I missing something?

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  • How to get Nokogiri to ignore HTML elements that doesn't exist

    - by user296507
    any idea how i can get the code below to produce this output? 1 - 2 - B i'm getting this error "undefined method `text' for nil:NilClass (NoMethodError)", because i think table 1 does not have the element 'td class=r2' in it. require 'rubygems' require 'nokogiri' require 'open-uri' doc = Nokogiri::HTML.parse(<<-eohtml) <table class="t1"> <tbody> <tr> <td class="r1">1</td> </tr> </tbody> </table> <table class="t2"> <tbody> <tr> <td class="r1">2</td> <td class="r2">B</td> </tr> </tbody> </table> eohtml doc.css('tbody > tr').each do |n| r1 = n.at_css(".r1").text r2 = n.at_css(".r2").text puts "#{r1} - #{r2}" end

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  • Prettify working using python idle but not when using python script

    - by Loclip
    So when I use print soup.prettify() on idle it's prettifying my html but when I calling the script from server the prettify() not working #!/usr/bin/python import cgi, cgitb, urllib2, sys from bs4 import BeautifulSoup styles = [] i = 1 site = "www.example.com" page = urllib2.urlopen(site) soup = BeautifulSoup(page) table = soup.find('table', {'class' :'style5'}) alltd = table.findAll('td') allspans = table.findAll('span') while i<55: styles.append("style" + str(i)) i+=1 for td in alltd: if any(x in td["class"] for x in styles): td["class"] = "align" for span in allspans: span.replaceWithChildren() print "Content-type: text/html" print print "<!DOCTYPE html>" print "<html>" print "<head>" print '<meta http-equiv="content-type" content="text/html; charset=utf-8">' print '<link rel="stylesheet" href="lightbox/css/lightbox.css" type="text/css" media="screen">' print '<style type="text/css">' print "body {background-color:#b0c4de;}" print '.align {text-align: center;}' print "</style>" print "</head>" print "<body>" print table.pretiffy() print "</body>" print "</html>"

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