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Qlikview Data Modeling --- Concatenation, qlikviewThis Blog introduces how to avoid loops and synthetic keys through Concatenation (Concatenation) fact tables:The Modeling in Qlikview is usually very simple. Generally, we only need to rename the names of some sub-segments to prevent or establish automatic association between tables.But sometimes we can't solve the problem by simply renaming it. For example,

Define system fields in QlikView and qlikview Fields In Settings-> User Preferences, there is a "Show System Fields" option. If this option is selected, you can select the system field when creating a List Box. Otherwise, no. How to define system fields. The following code is used: SET HidePrefix = "_"; TableB: LOAD * Inline [Test1, Test2, Test3, _ Test41, 2, 3, t2, 3, 4, e3, 4, 5, s1, 5, 2, t2, 6, 3,

Tags: qlikview ODBC SQL ServerOne, Qlikview configures ODBC connection to SQL SERVER1. Open ODBC Data Source Administrator: Run--〉ODBC2, add User DSN3, select SQL Server Native Client 11.0, then click [Finish]4. Enter the user name and password for the connection database5, select the default connected database (you can not set this step)6, Configuration complete7. Test Connection DatabaseYou can see from t

This Blog introduces how to avoid loops and synthetic keys through Concatenation (Concatenation) fact tables:The modeling in Qlikview is usually very simple. Generally, we only need to rename the names of some sub-segments to prevent or establish automatic association between tables.But sometimes we can't solve the problem by simply renaming it. For example, we have multiple fact tables and multiple associations with other tables, which usually pr

Problem Background: The company spent more than N to ask for a solution made by qlikview consultant, which did not involve reload, so that the entire data model needs to be refreshed every time the data is refreshed, in my previous discussions with my colleagues in the Department, I also vowed that qlikview could only be like this, you cannot find a method to refresh the new data to the data model without l

Tags: qlikview load drop tableQlikview loads the data in the database, usually through ODBC and the database to connect, and then the database in the corresponding table data loaded into the local disk folder, the latter can be directly from the local disk The Qvd file in folder gets the data to do the dashboard. I start to load the data will always crash, because I load the table data in the good one database to the local QVD file, not in time to del

Making income contract analysis data with Qlikview1. Installation and use of QlikviewSee "qlikview_11_ Chinese Reference Manual full version _v1.0"Qlikview Data Extraction Step "to connect a database as an example"Create a new file:To edit the current script:Select the OLE DB data source:Click "Connect"Click "Next" (here is an example of connecting a SQL SERVER database)Enter the database's IP, user name, password, and then select a databaseClick "Tes

Label: join load autonumberhash265 keylink table qlikviewIn the future, we will learn how to create a Key or Link Table in QlikView to prevent fact tables loops and qlikview from automatically generating synthetic keys. When two fact tables share the same key set, concatenation should be the preferred solution to avoid qlikview automatically creating a synthetic

In the QlikView, you can select certain configurations to easily convert chart types. You can select a chart to view details such as a bar chart, bar chart, or vertical chart. After selecting the options shown in FastTypeChange, A FastChange option is added in the upper-right corner of the chart to the following: In the QlikView, you can select certain configurations to easily convert chart types. You can s

Many times users will have such a need, is qlikview design a good pivot table, if directly with the Qlikview Send to Excel function, then the export has no pivot table effect, such asThen I use a macro to export this pivot table, after the export format and Qlikview consistent, the code is as follows:Sub ExportSet xlapp = CreateObject ("Excel.Application") ' Defi

Data preparation is as follows: SalesData:LOADNum(ID) as ID,Date(Date) as Date,Month,Num(Year) as Year,Num(Sales) as SalesInline [ID, Date, Month, Year, Sales1, 2012-1-1, 1, 2012, 202, 2012-1-1, 2, 2012, 213, 2012-1-1, 3, 2012, 234, 2013-1-1, 1, 2013, 345, 2013-2-1, 2, 2013, 356, 2013-3-1, 3, 2013, 467, 2014-1-1, 1, 2014, 278, 2014-2-1, 2, 2014, 309, 2014-3-1, 3, 2014, 49]; Name the new line chart "sales ,, Use month as the dimension ,: Create two new expressions in the expression tab as fol

QlikView connects IBM DB2 via ODBCPART1: Creating an ODBC-driven connection for IBMDB2First go to the control Panel to findControl Tools,--> Choose an ODBC data source based on the version of your system,Because the IBM DB2 database needs to be connected via an ODBC data source, you need to go to the IBM website to download the driver driver that is right for you based on the number of bits in your system.Because my system is 64 bits, I am here to sha

The Qlikview chart can be easily configured by examining some of the transformations that can be made to the chart type, allowing the user to select the graph above as a bar or histogram or a vertical chart detail data.After you select the option as you see in the Fast Type change. There is a fast change option in the upper-right corner of the chart. It becomes the following:Since the preferred icon in the lower right corner of the first image is chec

Implement RowNumber () Over (Partition by) and qlikviewrownumber in SQL Server in QlikView This is often the case when field A has many duplicate values, but the values in field B are unique After grouping by field A. Therefore, SELECT, when field B is used, you do not know which value in field B is used. Therefore, when field A is repeated, you want to obtain the value of field B, the data must be based on the row corresponding to the maximum and min

Often there is a requirement that when a field has a lot of duplicate values, but the values in the B field are unique after grouping by a field, so select a, B fields do not know which value in the B field, so when the A field repeats, you want to take the value of the B field, The row of data that corresponds to the maximum minimum value in the C field.SQL Server can be implemented as follows, Row_number () over (Partition by A Order by C) ID, and then take id=1.In

difference set (XOR operator) operator. This binary operation returns a collection that is contained in two collection operands, but does not consist of records that are common to them.Operator precedence is: 1) Unary negative operator (complement), 2) intersection and symmetric difference set operator, 3) and exclude operator. Within the same group, the expression is judged from left to right. The non-priority order can be determined by the standard brackets, which may be necessary because the

There is a "Show Systemfields" option in User Preferences, Settings . If you check this option, you can select the System field when you create a new List Box . Or not. So how do you define system fields?As shown in the following code:After hideprefix= "_" is defined, all fields whose names are prefixed with "_" will be treated as system fields. As shown, you will not be able to see the _test4 field when you create a new List Box .After checking "Show System Fields" in User Preferences , create

The customer often asks for this. When the user selects a time, the data of the year before the selected time is displayed in the chart. The following is my method. If there is any improper method, please advise: Data preparation is as follows: Salesdata: loadnum (ID) as ID, date (date) as date, month, num (year) as year, num (sales) as salesinline [ID, date, month, year, sales1, 2012-1-1 1, 2012-1, 2012,202,201 2-1-1 1, 2012-2, 2012,213,201 2-1-1, 2012-3, 2012,234,201 3-1-1, 2013-1, 2013,34

the second parameter in the first year of October 1. If yes, the formula returns-1; otherwise, it is 0. In the example above, October 1 is the first day of the new year. Because the third parameter is 0, the first parameter is directly compared with the second parameter, indicates whether the value in the date field is the same as today's one year starting from January 1, October 1. For example, 2013-11-1 is, And 2013-09-31 is not. Inyeartodate (date, today (),-1, 10) indicates that the field