{"id":39041,"date":"2018-11-27T11:30:42","date_gmt":"2018-11-27T06:00:42","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=39041"},"modified":"2021-12-07T11:18:07","modified_gmt":"2021-12-07T05:48:07","slug":"latest-qlikview-interview-questions","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/latest-qlikview-interview-questions\/","title":{"rendered":"Latest QlikView Interview Questions &#8211; Examine Your Skills"},"content":{"rendered":"<p>In our last tutorial, we discussed all basic to intermediate level of QlikView interview questions in <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-interview-questions-for-freshers\/\">part 1<\/a>, <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-interview-questions-and-answers\/\">part 2<\/a> and <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-interview-questions\/\">part 3<\/a>.<\/p>\n<p>In this part of the latest QlikView Interview Questions, we are trying to cover most advance and scenario based interview questions for QlikView.<\/p>\n<p>Latest QlikView Interview Questions is mainly for professional and experienced. These questions help you to prepare a QlikView interview.<\/p>\n<p align=\"justify\">So, let&#8217;s start Latest QlikView Interview Questions.<\/p>\n<h3 align=\"justify\">Best Latest QlikView Interview Questions with Answers<\/h3>\n<p>These are the latest qlikview interview questions for experienced.<\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.1. What do you mean by Set Analysis?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">The <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-set-analysis\/\">set analysis<\/a> is a way of sorting and arranging data into different sets in sheet objects like charts or tables. <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">The name set analysis is given because it provides with ways to add context to the data and analyze a data set by segregating and structuring the data and pre-defining it into tables and <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-charts\/\">charts<\/a>. <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.2. What are Modifiers in Set Analysis?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Modifiers are part of the whole set expression and are used to modify the selected data set in a certain way. <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">The modifiers are used to specify fields from the data <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-table\/\">tables<\/a> from which data is to be chosen for set analysis. The modifier expression is written in &lt;&gt; brackets and can have more than one fields. <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.3. What are the three types of Concatenation?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Three types of <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-set-analysis\/\">concatenation<\/a> are:<\/span><\/span><\/span><\/p>\n<ul>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Automatic Concatenation<\/span><\/span><\/span><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Forced Concatenation<\/span><\/span><\/span><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">No Concatenation<\/span><\/span><\/span><\/li>\n<\/ul>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.4. What is the difference between Join and Keep?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Using <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-join-functions\/\">Join<\/a> two tables are permanently merged into one and are stored into QlikView\u2019s memory as one joined table. <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Whereas <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-keep-functions\/\">Keep<\/a> is used when the user wants to keep the two tables separately in the memory and join them virtually by linking them only from the intersection (same values region) points in the two tables. <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.5. How is Join different from Concatenate?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Join combines two tables in such a way that all the repeating values i.e. those values which are same in both the tables are reduced to only one set of such values in the final (joined) table.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"> Whereas, Concatenate does not make any such reduction and joins two tables as it is, with the same field values repeating themselves in the concatenated table. <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">The repeated values will be displayed in the concatenated table which is not so with join as it eliminated one set of repeating values keeping only the set from one table of the two.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.6. Which Join type will be in use it gives the outcome of only those records which were common in both the tables?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Inner Join<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.7. What is a Master Calendar?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">A <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-master-calendar\/\">Master Calendar<\/a> can be so created that it can be linked to any of the databases present in QlikView.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"> Whenever some entries are made in those databases in fields having time or date, creating a Master Calendar and linking it with that particular database or fact table will give you all the details of time and date like week, quarter, weekday etc. <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.8. What additional date fields can you add using a Master Calendar?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Day, Weekday, Week, Month, Year, Quarter.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.9. What causes Circular References?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"><a href=\"https:\/\/data-flair.training\/blogs\/qlikview-circular-reference\/\">Circular References<\/a> are loops that are generated in <a href=\"https:\/\/data-flair.training\/blogs\/best-practice-for-data-modeling-in-qlikview\/\">QlikView\u2019s data models<\/a> in a situation when three or more tables can be associated with each other through two or more ways or paths. <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.10. What are the ways to resolve circular reference?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Rename, Concatenate and Link Tables.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><em>Latest QlikView Interview Questions for Beginners &#8211; Q. 3, 4, 6, 7, 8<\/em><\/p>\n<p align=\"justify\"><em>Latest QlikView Interview Questions for Experienced &#8211; Q. 1, 2, 5, 9, 10\u00a0<\/em><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.11. What are the three certifications available in QlikView?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">QlikView Data Architect, QlikView Business Analyst, QlikView System Administrator <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"><strong>Q.12. What are some of the new features added in QlikView version of November 2017?<\/strong> <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Analytical connections, web client improvements, XLSX format exporting, BNF script reloading, KML support.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.13. What is a LEF?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">LEF stands for License Enabler File. For <a href=\"https:\/\/data-flair.training\/blogs\/upgrade-qlikview-server\/\">QlikView Server upgradation<\/a>, a maintenance contract is required. The end\/expiry date, active period and current Maintenance Contract details are stored in the License Enabler File (LEF).<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.14. Name some important directories that you need to take a back-up of while upgradation and restoring process?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Log files, configuration files, custom files, certifications and license, <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-publisher-repository-qvpr\/\">QlikView Publisher Repository<\/a> database files, program files and program data. <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.15. What is silent installation?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"><a href=\"https:\/\/data-flair.training\/blogs\/qlikview-silent-installation\/\">Silent Installation<\/a> is installing a program to your device with minimum or no user interaction.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"> It is different from the typical installer because during that you are asked for confirmations and permissions on several steps while the program is being installed such installations are known as attended<\/span><\/span><\/span><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"> Installation as opposed to silent installation where the user is not asked for confirmations and permissions to proceed with the installation\u2019s next steps.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.16. What is QlikView Server Load Sharing?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">In <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-server-load-sharing-clustering\/\">server load sharing<\/a>, a file irrespective of its physical location can assign to any server that is a part of the server cluster.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"> This process manages data load and network traffic by distributing data load between servers and assigning different server for different data files so that the data load gets evenly distributed between the servers in a cluster.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.17. What do you understand by QlikView Distribution Service?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"><a href=\"https:\/\/data-flair.training\/blogs\/qlikview-distribution-service\/\">QlikView Distribution Service<\/a> is a part of the QlikView Publisher component which use in distributing source documents created by QlikView Developer to the server sitting at the front end where they transform and used as user documents. <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.18. Explain QlikView\u2019s Publisher Repository.<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">The QlikView Management Console (QMC) assigns Reload and Distribution tasks for the <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-documents\/\">QlikView Documents<\/a>. The information related to this assigning of tasks and additional settings stores as a separate set of XML files and the folder is called QlikView Publisher Repository (QVPR).<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.19. What is the role of QlikView Web Server in QlikView\u2019s architecture?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">The most important role of QlikView Web Server in the <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-architecture\/\">QlikView architecture<\/a> is to act as a middleman between the QlikView Server and the client.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"> The data traffic coming from QlikView Server is directed to the <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-web-server-qvws\/\">QlikView Web Server component<\/a> (QVWS or Microsoft IIS) at some point before reaching the user access points.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.20. What is the function of the Directory Service Connector?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">QlikView Directory Service Connector is a service which searches and fetches user information from a variety of sources. Sources like Open Database Connectivity (ODBC), Active Directory, E-directory, Lightweight Directory Access Protocol (LDAP) are used to retrieve user details.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><em>Latest QlikView Interview Questions for Beginners &#8211; Q. 13, 14, 15, 16, 18, 20<\/em><\/p>\n<p align=\"justify\"><em>Latest QlikView Interview Questions for Experienced &#8211; Q. 11, 12, 17, 19<\/em><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.21. How are all the components of QlikView\u2019s architecture managed?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"><a href=\"https:\/\/data-flair.training\/blogs\/qlikview-management-service-qms\/\">QlikView Management Service (QMS)<\/a> is the ultimate management platform in QlikView. All the management tasks of different QlikView services and the communications between them is handled by QMS. <\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">There are two management outlets, the QlikView Management Console and QlikView Management APIs (Application Programming Interface) for users.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.22. What is SNMP?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">SNMP stands for <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-snmp-tutorial\/\">Simple Network Management Protocol<\/a> which is a protocol used for managing, controlling and monitoring the devices\/nodes within a network.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"> SNMP collects all the important information about the network or nodes and provides useful real-time data\/information on the working of the network.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.23. Which protocols are used in sending commands in QlikView?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Commonly used protocols are User Datagram Protocol (UDP) and TCP\/IP.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.24. What are the three main tasks performed on a QlikView document?<\/span><\/span><\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Reload, Reduce and Distribute<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.25. List the types of data files that can be loaded into QlikView.<\/span><\/span><\/span><\/strong><\/p>\n<ul>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Databases<\/span><\/span><\/span><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Text Files, also known as Flat files (<a href=\"https:\/\/data-flair.training\/blogs\/qlikview-delimited-file\/\">CSV<\/a>, TSV etc.,)<\/span><\/span><\/span><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">XML<\/span><\/span><\/span><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">KML<\/span><\/span><\/span><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Webpages (HTML)<\/span><\/span><\/span><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Log Files<\/span><\/span><\/span><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Excel (Xls and Xlsx)<\/span><\/span><\/span><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Inline Data<\/span><\/span><\/span><\/li>\n<li><a href=\"https:\/\/data-flair.training\/blogs\/qvd-files\/\"><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">QVD<\/span><\/span><\/span><\/a><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">QVX<\/span><\/span><\/span><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">QlikView (QVW)<\/span><\/span><\/span><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Fixed Record file<\/span><\/span><\/span><\/li>\n<li><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Dif<\/span><\/span><\/span><\/li>\n<\/ul>\n<p><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.26. What is the difference between QVD, QVW and QVX files?<\/span><\/span><\/span><\/strong><\/p>\n<p><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"><strong>QVW:<\/strong> Stands for QlikView Worksheet which are the application files containing your reports\/dashboard data\/script\/data model and connection strings.<\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"><strong>QVD:<\/strong> Stands for QlikView Data. Such files are a patent to QlikView and can only be read in QlikView. QVD files stores data in a simple format (without GUI) fetched from the database. Processing QVD files is around 10 times faster than processing data from traditional files. <\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"><strong>QVX:<\/strong> Stands for QlikView Data Exchange. QVX files are used you wish to make your own connector that could connect to QlikView files. <\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">One of the efficient and optimize way to fetch data from the database. It is a much preferred and efficient way to retrieve data from the databases if you are not using ODBC\/OLEDB.<\/span><\/span><\/span><\/p>\n<p><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.27. List some common ports used by QlikView services.<\/span><\/span><\/span><\/strong><\/p>\n<p><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">4747, 4774, 4720, 4750, 4730, 4735, 4780, 443, 80 and a few more. <\/span><\/span><\/span><\/p>\n<p><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.28. What is Backus-Naur Formalism?<\/span><\/span><\/span><\/strong><\/p>\n<p><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"><a href=\"https:\/\/data-flair.training\/blogs\/qlikview-backus-naur-form-bnf\/\">Backus-Naur Form<\/a> is a metalanguage. Metalanguages are the languages which are used to explain other natural or computer languages. <\/span><\/span><\/span><\/p>\n<p><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Any metalanguage follows a specific notation technique or meta syntax through which rules of a language are defined and explained. BNF is used to explain the scripting language in QlikView. <\/span><\/span><\/span><\/p>\n<p><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.29. What is the Aggregation Function?<\/span><\/span><\/span><\/strong><\/p>\n<p><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\"><a href=\"https:\/\/data-flair.training\/blogs\/qlikview-aggregate-function-aggr\/\">Aggregation functions<\/a> are applied on entire data set and covers the data being evaluated as a whole\/aggregate and returns result accordingly. Some commonly used aggregate functions are Sum, Average, Mix, Max, Text Count etc. <\/span><\/span><\/span><\/p>\n<p><strong><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">Q.30. How is the scope of aggregation defined?<\/span><\/span><\/span><\/strong><\/p>\n<p><span style=\"font-family: Georgia, serif\"><span style=\"font-size: large\"><span lang=\"en-US\">By defining aggregation scope, it is meant selecting such data values or records are relevant to our purpose of analysis. Aggregation is only applied over the relevant data hence defining the scope for analyzing data.<\/span><\/span><\/span><\/p>\n<p align=\"justify\"><em>Latest QlikView Interview Questions for Beginners &#8211; Q. 21, 23, 24, 25, 27, 29<\/em><\/p>\n<p align=\"justify\"><em>Latest QlikView Interview Questions for Experienced &#8211; Q. 22, 26, 28, 30<\/em><\/p>\n<p align=\"justify\">So, this was all about Latest QlikView Interview Questions.<\/p>\n<h3 align=\"justify\">Conclusion<\/h3>\n<p>Hence, we hope you like our latest Qlikview interview questions and answers. Refer our latest article part 5. Still confusion? Feel free to ask in the comment box.<\/p>\n<p>QlikView Interview Question <a href=\"https:\/\/data-flair.training\/blogs\/qlikview-developer-interview-questions\/\"><strong>Part &#8211; 5<\/strong><\/a><\/p>\n<p><a href=\"https:\/\/www.qlik.com\/us\/products\/qlikview\">Reference for QlikView<\/a><span hidden class=\"__iawmlf-post-loop-links\" data-iawmlf-links=\"[{&quot;id&quot;:1716,&quot;href&quot;:&quot;https:\\\/\\\/www.qlik.com\\\/us\\\/products\\\/qlikview&quot;,&quot;archived_href&quot;:&quot;http:\\\/\\\/web-wp.archive.org\\\/web\\\/20250912103845\\\/https:\\\/\\\/www.qlik.com\\\/us\\\/products\\\/qlikview&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[{&quot;date&quot;:&quot;2025-12-09 20:09:13&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2025-12-14 03:04:41&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2025-12-17 20:28:34&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2025-12-22 10:19:04&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2025-12-26 07:46:24&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2025-12-29 08:31:30&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-01-01 17:05:55&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-01-06 06:37:10&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-01-09 16:47:25&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-01-12 17:12:31&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-01-16 10:14:58&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-01-20 07:41:26&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-01-26 11:00:22&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-01-30 05:38:09&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-02-04 09:36:44&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-02-11 19:33:08&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-02-18 13:39:00&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-02-23 06:43:31&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-02-27 18:55:15&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-03-05 07:38:08&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-03-11 02:23:43&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-03-14 15:20:55&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-03-19 02:12:18&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-03-23 19:08:00&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-03-27 11:53:33&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-03-31 09:38:58&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-04-06 04:58:41&quot;,&quot;http_code&quot;:503},{&quot;date&quot;:&quot;2026-04-09 22:05:22&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-04-14 05:48:18&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-04-18 10:00:28&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-04-22 00:48:59&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-04-27 16:54:50&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-05-05 07:26:34&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-05-13 14:26:02&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-05-19 11:21:37&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-05-29 07:20:35&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-06-01 15:11:43&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-06-04 21:33:08&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-06-08 02:23:05&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-06-13 21:13:36&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-06-17 12:32:02&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-06-22 00:21:17&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-06-26 22:10:24&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-06-30 07:25:12&quot;,&quot;http_code&quot;:206}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-06-30 07:25:12&quot;,&quot;http_code&quot;:206},&quot;process&quot;:&quot;done&quot;}]\"><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In our last tutorial, we discussed all basic to intermediate level of QlikView interview questions in part 1, part 2 and part 3. In this part of the latest QlikView Interview Questions, we are&#46;&#46;&#46;<\/p>\n","protected":false},"author":6,"featured_media":39051,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[17405,17404,17402,17399,17403,17447,17406],"class_list":["post-39041","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-qlikview","tag-advanced-qlikview-interview-questions","tag-qlikview-basic-interview-questions","tag-qlikview-developer-interview-questions","tag-qlikview-interview-questions","tag-qlikview-interview-questions-and-answers","tag-qlikview-interview-questions-and-answers-for-experienced","tag-qlikview-interview-questions-for-freshers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Latest QlikView Interview Questions - Examine Your Skills - DataFlair<\/title>\n<meta name=\"description\" content=\"Latest QlikView Interview Questions and Answer to crack QlikView Interview for freshers &amp; 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