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  • Outsource SEO - A Strong Business Case

    Outsourcing became quite popular in the 1990's as companies raced to reduce costs by moving non-essential functions out of the corporate cost structure. One of the main methods for doing this was to outsource. The basic business case to move any function to a subcontract was quite simple. Subcontractors that focus only on one thing have probably developed a deeper technical understanding of the process and are more effective. Economies of scale allow the outsourcer to provide the same (or higher quality) service at a lower price.

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  • Is on Page Or Off Page SEO Easier and More Effective?

    To reach top positions in search results you should use all possible methods and opportunities to optimize your pages. On-page and off-page SEO work together and help to get traffic to your website. To understand this process you need to know more about both optimization types.

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  • How to Get a Top Google Rank - 3 SEO Secrets

    If you're one of the many marketers who are interested in getting a top Google rank, but don't know how the "big guns" are able to pull off consistent top ranks, then you should look at these 3 SEO secrets. Getting to the top of Google is actually pretty easy if you use the right methods and techniques - here's what you need to do.

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  • Ask and You Shall Receive - More Links That Is!

    What do most web site owners or webmasters want? Well, other than bushel baskets full of cash, they want links! Yes, they want LINKS. Lots of inbound links... The more links the better! Sometimes it's easy to overlook the obvious and only think about the complex and complicated methods of linking strategies.

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  • Get More Traffic by Integrating SEO Techniques

    Many SEO techniques can generate good site traffic. Some webmasters however choose to apply these methods separately. This is perhaps because of the belief that some options are better than others. In a lot of cases though, a fully integrated campaign makes better sense.

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  • Finding Profitable Keywords For Your Internet Business

    There are hundreds of methods to use to find keywords in today's marketplace and the main focus of this post is to find profitable keywords for your Internet business. I prefer to stick with one method that works very well and it is free. These keywords will help you generate organic free traffic to your website and in turn if you have the right mechanisms in place to capture leads, then these keywords become very profitable for you.

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  • What You Need to Know About SEO

    Search Engine Optimization is commonly the technique utilized where websites prepare themselves for a higher ranking within the major online search engines. Various methods are applies as well as the careful selection of keywords. Don't forget the navigation of hierarchy and back links.

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  • How to Dramatically Improve Search Engine Rankings

    While most conventional methods seem to work well to help you optimize your site to its fullest potential, sometimes exploring some other options does wonders to your search engine rankings. Most optimizations come in with the package of keywords, the correct niche, search engine optimization and article directories etc. and are extremely competent in handling optimization process.

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  • PeopleSoft HCM?????????????????????????????

    - by user775380
    ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ????????????????????  - ?????????  - ?????????????????????  - ????(???????????????/??/????????)  - ???????????????? ???????????????????????????ERP???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ??????????????????Hyperion???????????????????????????????????????????????CSE??????PeopleSoft HCM?????????Essbase????????????????????????????????????????????????????PeopleSoft?HCM????????????????????????(Essbase????/???????????????????????????)  Essbase?????~Excel??????·?? Essbase?Excel?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Essbase?????????????????????????????????????????????PeopleSoft HCM???????????????????????????????????????????PeopleSoft????????????PeopleTools 8.52?Cube Builder?????????????? ???????????????????????????????????? ????: ????????????(12/5): ???????ERP???PeopleSoft Enterprise??????????? CSE?????: ???????????? (?????????????????????????????????) ITPro????: ????????????CSE?PeopleSoft???????? Oracle Essbase????: ????????????????

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  • ????JavaFX??Java???????·?????????????????Java Developer Workshop #2?????|WebLogic Channel|??????

    - by ???02
    WebLogic Server?????????Java???????????????????WebLogic Channel?????????JavaOne 2011??Java/Java EE????????!――???????????????!!?????????????????????JavaOne 2011????????????????????????????????????JavaFX?????2011?12?1?????????????Java?????????????Java Developer Workshop #2????JavaOne 2011?JavaFX???????????????Oracle Corporation?JavaFX??????Nandini Ramani?(Client Java Group???????????)??????JavaFX 2.0-Next generation Java client solution????????????????????JavaFX?????????????????????(???)?Pure Java???????UI??????JavaFX 2.0??JavaOne 2011??Java/Java EE????????!???????????API????Java????????????1?????????Ramani?????????JavaFX????????JavaFX 2.0?????????????????????? ???JavaFX 2.0?????????????????????????????????JavaFX Script??????????????????Java?????????????·???????????????????????Java????????????????????????????? ??????????????PC????????????·??????????????????????????????????????API???????????????????·?????????????????????????????????????????????900????????????Java???????????JavaFX??????????????????????????????·???????(UI)????????????????????(Ramani?) Ramani??????JavaFX 2.0??????/???????????100% Java API?Swing????FXML???UI????????WebKit???Web???????????????????????????? ??????FXML(FX Markup Language)???JavaFX?UI????????XML????????????????Ramani????????????????????????????????·?????????????UI????????????????????????JavaScript?Groovy?Scala???JVM???????????????????????? ???JavaFX 2.0????????(JavaFX Runtime)???????????????????????AWT????????????????OS???????????????Glass Windowing Toolkit??2D/3D????????·???????GPU???????????Prism???????????????? ?????Prism????????????????·??????????3D?????????????????????????????????????????????·????????60fps??HD??????????VP6?MP3?????????????????????????????????????·?????????????? ?????????????????????????JavaFX 2.0???????Ramani???????????????????·????????????·???????????????????????????????JavaFX 2.0?????????????·?????????????????????????????????????Prism???????????????????????????????????????????????????????????????????????JavaFX??????????·??????????????????????????????????????????????/???????????(?????????)???????????????????? ??????????????????NetBeans IDE 7.0?????Eclipse?JDeveloper???????IDE?????????????????????????????&??????????????UI???????JavaFX Scene Builder???????? ?????JavaFX 2.0???????????·???????????????3D????????????·????????????????????????????????????Ramani????JavaFX Labs????????????JavaFX 2.0????????????????????????????3D???????????????????????????????UI?????????????????????????????????????3D???·????????????????? ???JavaFX 2.0?????????????3D?????????·??????·??????????????????????·?????·?????Kinect?????????????????????·?????????????????????·?????·????Kinect????3D?????????????????????????????? ????JavaFX????????????????????????JavaFX????????·?????????Linux?????????PC?iPad???????????????????? ?????????2???????????JavaFX??Java??????????????????GUI?????????????????????????????JavaFX??????????????????????Ramani??????????? ?JavaFX???????????????????????????????·??????????????????Swing?AWT???????????????·????????????????????????????????????? ???JavaFX???????????·???????OpenJFX?????OpenJDK????????????????????????????UI??????????????????Ramani??????????????????????????????????????????????Java???????????????????JavaFX???????????????????????????????????????????:?Java Developer Workshop #2?????Nandini Ramani?????????????????????

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  • ????/??????

    - by WebLogic Channel ???
    01. ?? - WebLogic Server 02. ?? - Java EE 03. ???? - WebLogic Server 04. ??! Java EE 6 05. ??? - WebLogic??? ?? ???! 06. ??? - Around WebLogic 07. ????/???? ???? WebLogic Channel ????????Java????? ????????????????! ?????? ¦ ?????URL???????? https://blogs.oracle.com/weblogic_channel/ ? https://blogs.oracle.com/wlc/ ¦ ?????WebLogic Channel powered by builder?????!! ?????????????

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  • Help With Database Layout

    - by three3
    Hello everyone, I am working on a site similar to Craigslist where users can make postings and sell items in different cities. One difference between my site and Craigslist will be you will be able to search by zip code instead of having all of the cities listed on the page. I already have the ZIP Code database that has all of the city, state, latitude, longitude, and zip code info for each city. Okay, so to dive into what I need done and what I need help with: 1.) Although I have the ZIP Code database, it is not setup perfectly for my use. (I downloaded it off of the internet for free from http://zips.sourceforge.net/) 2.) I need help setting up my database structure (Ex: How many different tables should I use and how should I link them) I will be using PHP and MySQL. These our my thoughts so far on how the database can be setup: (I am not sure if this will work though.) Scenario: Someone goes to the homepage and it will tell them, "Please enter your ZIP Code.". If they enter "17241" for example, this ZIP Code is for a city named Newville located in Pennsylvania. The query would look like this with the current database setup: SELECT city FROM zip_codes WHERE zip = 17241; The result of the query would be "Newville". The problem I see here now is when they want to post something in the Newville section of the site, I will have to have an entire table setup just for the Newville city postings. There are over 42,000 cities which means I would have to have over 42,000 tables (one for each city) so that would be insane to have to do it that way. One way I was thinking of doing it was to add a column to the ZIP Code database called "city_id" which would be a unique number assigned to each city. So for example, the city Newville would have a city_id of 83. So now if someone comes and post a listing in the city Newville I would only need one other table. That one other table would be setup like this: CREATE TABLE postings ( posting_id INT NOT NULL AUTO_INCREMENT, for_sale LONGTEXT NULL, for_sale_date DATETIME NULL, for_sale_city_id INT NULL, jobs LONGTEXT NULL, jobs_date DATETIME NULL, jobs_city_id INT NULL, PRIMARY KEY(posting_id) ); (The for_sale and job_ column names are categories of the types of postings users will be able to list under. There will be many more categories than just those two but this is just for example.) So now when when someone comes to the website and they are looking for something to buy and not sell, they can enter their ZIP Code, 17241, for example, and this is the query that will run: SELECT city, city_id FROM zip_codes WHERE zip = 17241; //Result: Newville 83 (Please note that I will be using PHP to store the ZIP Code the user enters in SESSIONS and Cookies to remember them throughout the site) Now it will tell them, "Please choose your category.". If they choose the category "Items For Sale" then this is the query to run and sort the results: SELECT posting_id, for_sale, for_sale_date FROM postings WHERE for_sale_city_id = $_SESSION['zip_code']; Will this work? So now my question to everyone is will this work? I am pretty sure it will but I do not want to set this thing up and realize I overlooked something and have to start from all over from scratch. Any opinions and ideas are welcomed and I will listen to anyone who has some thoughts. I really appreciate the help in advance :D

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  • Entity Framework many-to-many using VB.Net Lambda

    - by bgs264
    Hello, I'm a newbie to StackOverflow so please be kind ;) I'm using Entity Framework in Visual Studio 2010 Beta 2 (.NET framework 4.0 Beta 2). I have created an entity framework .edmx model from my database and I have a handful of many-to-many relationships. A trivial example of my database schema is Roles (ID, Name, Active) Members (ID, DateOfBirth, DateCreated) RoleMembership(RoleID, MemberID) I am now writing the custom role provider (Inheriting System.Configuration.Provider.RoleProvider) and have come to write the implementation of IsUserInRole(username, roleName). The LINQ-to-Entity queries which I wrote, when SQL-Profiled, all produced CROSS JOIN statements when what I want is for them to INNER JOIN. Dim query = From m In dc.Members From r In dc.Roles Where m.ID = 100 And r.Name = "Member" Select m My problem is almost exactly described here: http://stackoverflow.com/questions/553918/entity-framework-and-many-to-many-queries-unusable I'm sure that the solution presented there works well, but whilst I studied Java at uni and I can mostly understand C# I cannot understand this Lambda syntax provided and I need to get a similar example in VB. I've looked around the web for the best part of half a day but I'm not closer to my answer. So please can somebody advise how, in VB, I can construct a LINQ statement which would do this equivalent in SQL: SELECT rm.RoleID FROM RoleMembership rm INNER JOIN Roles r ON r.ID = rm.RoleID INNER JOIN Members m ON m.ID = rm.MemberID WHERE r.Name = 'Member' AND m.ID = 101 I would use this query to see if Member 101 is in Role 3. (I appreciate I probably don't need the join to the Members table in SQL but I imagine in LINQ I'd need to bring in the Member object?) UPDATE: I'm a bit closer by using multiple methods: Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim count As Integer Using dc As New CBLModel.CBLEntities Dim persons = dc.Members.Where(AddressOf myTest) count = persons.Count End Using System.Diagnostics.Debugger.Break() End Sub Function myTest(ByVal m As Member) As Boolean Return m.ID = "100" AndAlso m.Roles.Select(AddressOf myRoleTest).Count > 0 End Function Function myRoleTest(ByVal r As Role) As Boolean Return r.Name = "Member" End Function SQL Profiler shows this: SQL:BatchStarting SELECT [Extent1].[ID] AS [ID], ... (all columns from Members snipped for brevity) ... FROM [dbo].[Members] AS [Extent1] RPC:Completed exec sp_executesql N'SELECT [Extent2].[ID] AS [ID], [Extent2].[Name] AS [Name], [Extent2].[Active] AS [Active] FROM [dbo].[RoleMembership] AS [Extent1] INNER JOIN [dbo].[Roles] AS [Extent2] ON [Extent1].[RoleID] = [Extent2].[ID] WHERE [Extent1].[MemberID] = @EntityKeyValue1',N'@EntityKeyValue1 int',@EntityKeyValue1=100 SQL:BatchCompleted SELECT [Extent1].[ID] AS [ID], ... (all columns from Members snipped for brevity) ... FROM [dbo].[Members] AS [Extent1] I'm not certain why it is using sp_execsql for the inner join statement and why it's still running a select to select ALL members though. Thanks. UPDATE 2 I've written it by turning the above "multiple methods" into lambda expressions then all into one query, like this: Dim allIDs As String = String.Empty Using dc As New CBLModel.CBLEntities For Each retM In dc.Members.Where(Function(m As Member) m.ID = 100 AndAlso m.Roles.Select(Function(r As Role) r.Name = "Doctor").Count > 0) allIDs &= retM.ID.ToString & ";" Next End Using But it doesn't seem to work: "Doctor" is not a role that exists, I just put it in there for testing purposes, yet "allIDs" still gets set to "100;" The SQL in SQL Profiler this time looks like this: SELECT [Project1].* FROM ( SELECT [Extent1].*, (SELECT COUNT(1) AS [A1] FROM [dbo].[RoleMembership] AS [Extent2] WHERE [Extent1].[ID] = [Extent2].[MemberID]) AS [C1] FROM [dbo].[Members] AS [Extent1] ) AS [Project1] WHERE (100 = [Project1].[ID]) AND ([Project1].[C1] > 0) For brevity I turned the list of all the columns from the Members table into * As you can see it's just ignoring the "Role" query... :/

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  • Fetching data (responsebody) with a HttpClient in an AsyncTask and returning the data outside the As

    - by Peter Warbo
    Basically I'm wondering how I'm able to do what I've written in the topic. I've looked through many tutorials on AsyncTask but I can't get it to work. I have a little form (EditText) that will take what the user inputs there and make it to a url query for the application to lookup and then display the results. What I think would seem to work is something like this: In my main activity i have a string called responseBody. Then the user clicks on the search button it will go to my search function and from there call the GrabUrl method with the url which will start the asyncdata and when that process is finished the onPostExecute method will use the function activity.this.setResponseBody(content). This is what my code looks like simpliefied with the most important parts (I think). public class activity extends Activity { private String responseBody; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); initControls(); } public void initControls() { fieldSearch = (EditText) findViewById(R.id.EditText01); buttonSearch = (Button)findViewById(R.id.Button01); buttonSearch.setOnClickListener(new Button.OnClickListener() { public void onClick (View v){ search(); }}); } public void grabURL(String url) { new GrabURL().execute(url); } private class GrabURL extends AsyncTask<String, Void, String> { private final HttpClient client = new DefaultHttpClient(); private String content; private boolean error = false; private ProgressDialog dialog = new ProgressDialog(activity.this); protected void onPreExecute() { dialog.setMessage("Getting your data... Please wait..."); dialog.show(); } protected String doInBackground(String... urls) { try { HttpGet httpget = new HttpGet(urls[0]); ResponseHandler<String> responseHandler = new BasicResponseHandler(); content = client.execute(httpget, responseHandler); } catch (ClientProtocolException e) { error = true; cancel(true); } catch (IOException e) { error = true; cancel(true); } return content; } protected void onPostExecute(String content) { dialog.dismiss(); if (error) { Toast toast = Toast.makeText(activity.this, getString(R.string.offline), Toast.LENGTH_LONG); toast.setGravity(Gravity.TOP, 0, 75); toast.show(); } else { activity.this.setResponseBody(content); } } } public void search() { String query = fieldSearch.getText().toString(); String url = "http://example.com/example.php?query=" + query; //this is just an example url, I have a "real" url in my application but for privacy reasons I've replaced it grabURL(url); // the method that will start the asynctask processData(responseBody); // process the responseBody and display stuff on the ui-thread with the data that I would like to get from the asyntask but doesn't obviously }

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  • Dynamic gridview columns event problem

    - by ropstah
    Hi, i have a GridView (selectable) in which I want to generate a dynamic GridView in a new row BELOW the selected row. I can add the row and gridview dynamically in the Gridview1 PreRender event. I need to use this event because: _OnDataBound is not called on every postback (same for _OnRowDataBound) _OnInit is not possible because the 'Inner table' for the Gridview is added after Init _OnLoad is not possible because the 'selected' row is not selected yet. I can add the columns to the dynamic GridView based on my ITemplate class. But now the button events won't fire.... Any suggestions? The dynamic adding of the gridview: Private Sub GridView1_PreRender(ByVal sender As Object, ByVal e As System.EventArgs) Handles GridView1.PreRender Dim g As GridView = sender g.DataBind() If g.SelectedRow IsNot Nothing AndAlso g.Controls.Count &gt; 0 Then Dim t As Table = g.Controls(0) Dim r As New GridViewRow(-1, -1, DataControlRowType.DataRow, DataControlRowState.Normal) Dim c As New TableCell Dim visibleColumnCount As Integer = 0 For Each d As DataControlField In g.Columns If d.Visible Then visibleColumnCount += 1 End If Next c.ColumnSpan = visibleColumnCount Dim ph As New PlaceHolder ph.Controls.Add(CreateStockGrid(g.SelectedDataKey.Value)) c.Controls.Add(ph) r.Cells.Add(c) t.Rows.AddAt(g.SelectedRow.RowIndex + 2, r) End If End Sub Private Function CreateStockGrid(ByVal PnmAutoKey As String) As GridView Dim col As Interfaces.esColumnMetadata Dim coll As New BLL.ViewStmCollection Dim entity As New BLL.ViewStm Dim query As BLL.ViewStmQuery = coll.Query Me._gridStock.AutoGenerateColumns = False Dim buttonf As New TemplateField() buttonf.ItemTemplate = New QuantityTemplateField(ListItemType.Item, "", "Button") buttonf.HeaderTemplate = New QuantityTemplateField(ListItemType.Header, "", "Button") buttonf.EditItemTemplate = New QuantityTemplateField(ListItemType.EditItem, "", "Button") Me._gridStock.Columns.Add(buttonf) For Each col In coll.es.Meta.Columns Dim headerf As New QuantityTemplateField(ListItemType.Header, col.PropertyName, col.Type.Name) Dim itemf As New QuantityTemplateField(ListItemType.Item, col.PropertyName, col.Type.Name) Dim editf As New QuantityTemplateField(ListItemType.EditItem, col.PropertyName, col.Type.Name) Dim f As New TemplateField() f.HeaderTemplate = headerf f.ItemTemplate = itemf f.EditItemTemplate = editf Me._gridStock.Columns.Add(f) Next query.Where(query.PnmAutoKey.Equal(PnmAutoKey)) coll.LoadAll() Me._gridStock.ID = "gvChild" Me._gridStock.DataSource = coll AddHandler Me._gridStock.RowCommand, AddressOf Me.gv_RowCommand Me._gridStock.DataBind() Return Me._gridStock End Function The ITemplate class: Public Class QuantityTemplateField : Implements ITemplate Private _itemType As ListItemType Private _fieldName As String Private _infoType As String Public Sub New(ByVal ItemType As ListItemType, ByVal FieldName As String, ByVal InfoType As String) Me._itemType = ItemType Me._fieldName = FieldName Me._infoType = InfoType End Sub Public Sub InstantiateIn(ByVal container As System.Web.UI.Control) Implements System.Web.UI.ITemplate.InstantiateIn Select Case Me._itemType Case ListItemType.Header Dim l As New Literal l.Text = "&lt;b&gt;" & Me._fieldName & "</b>" container.Controls.Add(l) Case ListItemType.Item Select Case Me._infoType Case "Button" Dim ib As New Button() Dim eb As New Button() ib.ID = "InsertButton" eb.ID = "EditButton" ib.Text = "Insert" eb.Text = "Edit" ib.CommandName = "Edit" eb.CommandName = "Edit" AddHandler ib.Click, AddressOf Me.InsertButton_OnClick AddHandler eb.Click, AddressOf Me.EditButton_OnClick container.Controls.Add(ib) container.Controls.Add(eb) Case Else Dim l As New Label l.ID = Me._fieldName l.Text = "" AddHandler l.DataBinding, AddressOf Me.OnDataBinding container.Controls.Add(l) End Select Case ListItemType.EditItem Select Case Me._infoType Case "Button" Dim b As New Button b.ID = "UpdateButton" b.Text = "Update" b.CommandName = "Update" b.OnClientClick = "return confirm('Sure?')" container.Controls.Add(b) Case Else Dim t As New TextBox t.ID = Me._fieldName AddHandler t.DataBinding, AddressOf Me.OnDataBinding container.Controls.Add(t) End Select End Select End Sub Private Sub InsertButton_OnClick(ByVal sender As Object, ByVal e As EventArgs) Console.WriteLine("insert click") End Sub Private Sub EditButton_OnClick(ByVal sender As Object, ByVal e As EventArgs) Console.WriteLine("edit click") End Sub Private Sub OnDataBinding(ByVal sender As Object, ByVal e As EventArgs) Dim boundValue As Object = Nothing Dim ctrl As Control = sender Dim dataItemContainer As IDataItemContainer = ctrl.NamingContainer boundValue = DataBinder.Eval(dataItemContainer.DataItem, Me._fieldName) Select Case Me._itemType Case ListItemType.Item Dim fieldLiteral As Label = sender fieldLiteral.Text = boundValue.ToString() Case ListItemType.EditItem Dim fieldTextbox As TextBox = sender fieldTextbox.Text = boundValue.ToString() End Select End Sub End Class

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  • SQL Select syntax error

    - by Odette
    hi guys thanks for your help yesterday. I am now trying to incorporate the query from yesterday into an existing query so I can show the highest itemcode's reporting group in the existing query..but I have a syntax error somewhere at my Select statement. ERROR: Keyword SELECT not expected. I have tried putting brackets at every possible place but still no go..can you please help? (ps-this whole query has been giving me nightmares!) WITH CALC1 AS (SELECT OTQUOT, OTIT01 AS ITEMS, ROUND(OQCQ01 * OVRC01,2) AS COST FROM @[email protected] WHERE OTIT01 < '' UNION ALL SELECT OTQUOT, OTIT02 AS ITEMS, ROUND(OQCQ02 * OVRC02,2) AS COST FROM @[email protected] WHERE OTIT02 < '' UNION ALL SELECT OTQUOT, OTIT03 AS ITEMS, ROUND(OQCQ03 * OVRC03,2) AS COST FROM @[email protected] WHERE OTIT03 < '' UNION ALL SELECT OTQUOT, OTIT04 AS ITEMS, ROUND(OQCQ04 * OVRC04,2) AS COST FROM @[email protected] WHERE OTIT04 < '' UNION ALL SELECT OTQUOT, OTIT05 AS ITEMS, ROUND(OQCQ05 * OVRC05,2) AS COST FROM @[email protected] WHERE OTIT05 < '' UNION ALL SELECT OTQUOT, OTIT06 AS ITEMS, ROUND(OQCQ06 * OVRC06,2) AS COST FROM @[email protected] WHERE OTIT06 < '' UNION ALL SELECT OTQUOT, OTIT07 AS ITEMS, ROUND(OQCQ07 * OVRC07,2) AS COST FROM @[email protected] WHERE OTIT07 < '' UNION ALL SELECT OTQUOT, OTIT08 AS ITEMS, ROUND(OQCQ08 * OVRC08,2) AS COST FROM @[email protected] WHERE OTIT08 < '' UNION ALL SELECT OTQUOT, OTIT09 AS ITEMS, ROUND(OQCQ09 * OVRC09,2) AS COST FROM @[email protected] WHERE OTIT09 < '' UNION ALL SELECT OTQUOT, OTIT10 AS ITEMS, ROUND(OQCQ10 * OVRC10,2) AS COST FROM @[email protected] WHERE OTIT10 < '' ) (SELECT OTQUOT, DESC FROM ( SELECT OTQUOT, ITEMS, B.IXRPGP AS GROUP, C.OTRDSC AS DESC, COST, ROW_NUMBER() OVER (ORDER BY COST DESC) AS RN FROM CALC1 AS A INNER JOIN @[email protected] AS B ON (A.ITEMS = B.IKITMC) INNER JOIN DATAGRP.GDSGRP AS C ON (B.IXRPGP = C.OKRPGP) ) T WHERE T.RN = 1) SELECT A.OKPBRN, A.OCAREA, A.OTCCDE, A.OTCNAM, A.OTSMAN, A.OKPBRN||A.OAPNUM AS OTQUOT, A.OTONUM, A.OTCAD1, A.OTCAD2, A.OTCAD3, A.OTPCDE, A.OTDEL1, A.OTDEL2, A.OTDEL3, CHAR(DATE(CASE WHEN SUBSTR(A.ODOQDT,5,4) = '0000' THEN '0001' ELSE SUBSTR(A.ODOQDT,5,4) END ||'-'|| CASE WHEN SUBSTR(A.ODOQDT,4,2) = '00' THEN '01' ELSE SUBSTR(A.ODOQDT,3,2) END ||'-'|| CASE WHEN SUBSTR(A.ODOQDT,1,2) = '00' THEN '01' ELSE SUBSTR(A.ODOQDT,1,2) END), ISO) AS ODOQDT_CCYYMMDD, CHAR(DATE(CASE WHEN SUBSTR(A.ODDELD,7,2) = '' THEN '0001' ELSE '20'||SUBSTR(A.ODDELD,7,2) END ||'-'|| CASE WHEN SUBSTR(A.ODDELD,4,2) = '' THEN '01' ELSE SUBSTR(A.ODDELD,4,2) END ||'-'|| CASE WHEN SUBSTR(A.ODDELD,1,2) = '' THEN '01' ELSE SUBSTR(A.ODDELD,1,2) END), ISO) AS ODDELD_CCYYMMDD, B.DESC, A.OVQTVL FROM @[email protected] AS A INNER JOIN CALC1 AS B ON (A.OKPBRN||A.OAPNUM = B.OTQUOT) WHERE A.OKPBRN = '@OKPBRN@' AND A.OTCCDE NOT LIKE '*DEP%' AND CHAR(DATE(CASE WHEN SUBSTR(A.ODOQDT,5,4) = '0000' THEN '0001' ELSE SUBSTR (A.ODOQDT,5,4) END ||'-'|| CASE WHEN SUBSTR(A.ODOQDT,4,2) = '00' THEN '01' ELSE SUBSTR(A.ODOQDT,3,2) END ||'-'|| CASE WHEN SUBSTR(A.ODOQDT,1,2) = '00' THEN '01' ELSE SUBSTR(A.ODOQDT,1,2) END), ISO) = CHAR(CURDATE() - 3 MONTH, ISO) AND A.OCQF01 = '0' AND A.OCQF02 = '0' AND A.OCQF04 = '0' AND A.OCQF05 = '0' AND A.OCQF06 = '0' AND A.OCQF07 = '0' AND A.OCQF08 = '0' AND A.OCQF09 = '0' AND A.OCQF10 = '1' AND A.OTCGRP LIKE 'S/%' ORDER BY A.OTSMAN ASC, A.OVQTVL DESC, CHAR(DATE(CASE WHEN SUBSTR(A.ODDELD,7,2) = '' THEN '0001' ELSE '20'||SUBSTR(A.ODDELD,7,2) END ||'-'|| CASE WHEN SUBSTR(A.ODDELD,4,2) = '' THEN '01' ELSE SUBSTR(A.ODDELD,4,2) END ||'-'|| CASE WHEN SUBSTR(A.ODDELD,1,2) = '' THEN '01' ELSE SUBSTR(A.ODDELD,1,2) END),ISO) ASC

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  • How to overcome shortcomings in reporting from EAV database?

    - by David Archer
    The major shortcomings with Entity-Attribute-Value database designs in SQL all seem to be related to being able to query and report on the data efficiently and quickly. Most of the information I read on the subject warn against implementing EAV due to these problems and the commonality of querying/reporting for almost all applications. I am currently designing a system where almost all the fields necessary for data storage are not known at design/compile time and are defined by the end-user of the system. EAV seems like a good fit for this requirement but due to the problems I've read about, I am hesitant in implementing it as there are also some pretty heavy reporting requirements for this system as well. I think I've come up with a way around this but would like to pose the question to the SO community. Given that typical normalized database (OLTP) still isn't always the best option for running reports, a good practice seems to be having a "reporting" database (OLAP) where the data from the normalized database is copied to, indexed extensively, and possibly denormalized for easier querying. Could the same idea be used to work around the shortcomings of an EAV design? The main downside I see are the increased complexity of transferring the data from the EAV database to reporting as you may end up having to alter the tables in the reporting database as new fields are defined in the EAV database. But that is hardly impossible and seems to be an acceptable tradeoff for the increased flexibility given by the EAV design. This downside also exists if I use a non-SQL data store (i.e. CouchDB or similar) for the main data storage since all the standard reporting tools are expecting a SQL backend to query against. Do the issues with EAV systems mostly go away if you have a seperate reporting database for querying? EDIT: Thanks for the comments so far. One of the important things about the system I'm working on it that I'm really only talking about using EAV for one of the entities, not everything in the system. The whole gist of the system is to be able to pull data from multiple disparate sources that are not known ahead of time and crunch the data to come up with some "best known" data about a particular entity. So every "field" I'm dealing with is multi-valued and I'm also required to track history for each. The normalized design for this ends up being 1 table per field which makes querying it kind of painful anyway. Here are the table schemas and sample data I'm looking at (obviously changed from what I'm working on but I think it illustrates the point well): EAV Tables Person ------------------- - Id - Name - ------------------- - 123 - Joe Smith - ------------------- Person_Value ------------------------------------------------------------------- - PersonId - Source - Field - Value - EffectiveDate - ------------------------------------------------------------------- - 123 - CIA - HomeAddress - 123 Cherry Ln - 2010-03-26 - - 123 - DMV - HomeAddress - 561 Stoney Rd - 2010-02-15 - - 123 - FBI - HomeAddress - 676 Lancas Dr - 2010-03-01 - ------------------------------------------------------------------- Reporting Table Person_Denormalized ---------------------------------------------------------------------------------------- - Id - Name - HomeAddress - HomeAddress_Confidence - HomeAddress_EffectiveDate - ---------------------------------------------------------------------------------------- - 123 - Joe Smith - 123 Cherry Ln - 0.713 - 2010-03-26 - ---------------------------------------------------------------------------------------- Normalized Design Person ------------------- - Id - Name - ------------------- - 123 - Joe Smith - ------------------- Person_HomeAddress ------------------------------------------------------ - PersonId - Source - Value - Effective Date - ------------------------------------------------------ - 123 - CIA - 123 Cherry Ln - 2010-03-26 - - 123 - DMV - 561 Stoney Rd - 2010-02-15 - - 123 - FBI - 676 Lancas Dr - 2010-03-01 - ------------------------------------------------------ The "Confidence" field here is generated using logic that cannot be expressed easily (if at all) using SQL so my most common operation besides inserting new values will be pulling ALL data about a person for all fields so I can generate the record for the reporting table. This is actually easier in the EAV model as I can do a single query. In the normalized design, I end up having to do 1 query per field to avoid a massive cartesian product from joining them all together.

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