After completion of this course, you can work on sap bw projects. What is table partitioning and what are the benefits of partitioning in an infocube. The new business intelligence platform best bi and eim in an sap landscape version 4. Bi java connectors connectors for various data sources leverages sap webas 6. Can anyone please advise what is the semantic partitioning infocube automatic extension. Fact tables of sap bi aggregates are automatically partitioned. We are using the rsrv transactiondata test named entries not used in the dimension of an infocube to clean up unused entries in a bw infocubes dimensiontable. Semantic partitioning infocube automatic extension. Infocubes in sap bi pdf sap bw infocube learn sap bw in simple and easy steps starting from overview of sap bi, data warehousing, data flow, transformation, infoarea, object. Semantic partitioning is a property of the infoprovider. This includes queries and web templates, for example. The partitions are accessed simultaneously during the query processing and then the result is consolidated to provide the final output. Your own infocube should begin with a letter from a to z and that it should be 3 to 9 characters in length.
Sap delivered infocubes begins with a number usually 0. Performance improvements of datastore objects in sap bw 7. As per my experience good interviewers hardly plan to ask any particular question during your interview, normally questions start with some basic concept of the subject and later they continue based on. It takes several minutes to have that refreshed, when i really just needed to add the 3,000 rows from yesterdays transactions. Posted on august 8, 2019 by engineer leave a comment. In sap bi, an infocube contains extended star schema as shown above. An infocube consists of a fact table which is surrounded by 16 dimension tables and master data that is lying outside the cube. For such cases, the partitioning of an infocube tables is a very effective option to improve. Jul 19, 2017 hi bw gurus, we have created semantic partition infocube in bw for the year 2014 to 2017 but now like to extend the cube for next year and onward for 2018 and so. All attributes of infoobject 0material are shown in the vertical box format. Infocube is classified in to three types based on the way of maintaining and distributing the data.
Step by step procedure to transport sap bibw objects. New partitions on f table of an infocube are created during data loads to the infocube. Partitioning mechanism on an infocube sap netweaver. If there is a cube with uncompressed requests and 10 dimensions every dimension brings with it a local bitmap index than there are partitions for the table itself and 10 x index partitions which makes a total of 11. Partitioning allows you to perform parallel data reads of multiple partitions speeding up the query execution process. By partitioning an infocube, the reporting performance is enhanced because it is easier to search in smaller tables, so maintenance becomes much easier.
With newer version of sap bw, instead of breaking a large infocube into multiple. Beside the simplification list in pdf format this document, the. This can be, for example, the location, or in the case of partitioned tables if. X for smarties series tbw10 solution exercise 5 creating an infocube 2. Sap biw infocube realtime concepts sap bw bi techies. Dimension tables do not exist anymore, with the exception of the technical dimension that includes the request id, package id, and record number. An e fact table is created when activating an infocube with a number of partitions corresponding to the partition value range. House keeping performance tuning activities in sap bw systems. Authorization issues with external sap hana views for sap bw infocubes or datastore objects advanced external sap hana views can retrieve data from the sap bw infocubes when using the retail sap bw structure or from the datastore objects advanced, infocube like when using the omnichannel sap bw structure. The system takes care of the partitioning for psa and ffact tables. Best practices for sap bi using db2 9 for zos ibm redbooks. The database specific information presented in this article is. Learn sap bw modeling step by step from the scratch. This edition applies to db2 version 9 for zos, release 1, and sap bi version 7.
You should definitely use them during preparation for the certification, because it will help you to familiarize yourself with the exam format, test your knowledge, identify areas that require additional attention, and sometimes these sample questions are just a. The structure of an sap hanaoptimized infocube is flatter than the structure of a standard infocube. Mar 23, 2017 whether an infocube is already optimized can be verified using transaction rsa1. Today, sap installations typically have database sizes of around 1tb. This blog post concentrates on the exciting performance improvements with regards to datastore objects in sap business warehouse 7. Contents introductionincluding a bw object into a transport requestrelease a transport requestimport queueimporting requestsa starting the import for individual requests single transport strategy b starting the import of all requests in an import. Only the partitioning for the efact tables can be defined by the user. As part of this transition, sap bw4hana will drastically reduce the number of data objects to be stored and maintained, similar to the elimination of aggregates in sap s4hana. Table partitioning in sap bi on microsoft sql server 20052008.
Sap bi interview questions for freshers experienced. My current data source has transactions for the last few years, and includes more than 2 million rows of data. This has also been taken up towards the end of the document. As a general rule, sap recommends that you do not reload archived data back into the infocube that it originally came from. Database tables of infocubes often contain several million records, so database operations of any nature are timeconsuming for these tables. Right click on the folder named file and choose create. Here are the answers to sample sap bi questions for certification. The transition from standard sap bw to sap bw4hana can be compared with the transition of the sap business suite to sap s4hana. You notice that the database scans all partitions although the query is restricted to a. Data management guide for sap business suite sap community. Setting the default format of sap bw objects to blu acceleration. This is needed if you want do logical partitioning of the data in more than one infocube based on fical year, ledger type, currency type etc. Mar 24, 2016 the structure of an sap hanaoptimized infocube is flatter than the structure of a standard infocube. Infocube compression is used to eliminate zero values as key figures are contained in the infocube.
The following statements are true for partitioning. Instead of creating a new infocube, you can install an infocube from sap bi. Finally, do you have zero knowledge in sap bw and wants to become master in it. For the purposes of analysis, both infocubes can be combined using a multiprovider. Prior to moving the tables intended for data aging into partitions, these.
Msexcel, msword or pdffiles should be stored on an external. Hi bw gurus, we have created semantic partition infocube in bw for the year 2014 to 2017 but now like to extend the cube for next year and onward for 2018 and so. The objects that get their data from a collected object are collected. The f tables of hana optimized infocubes are partitioned. You will read in details about the different types, benefits and reasons why to implement partitioning. May 10, 2020 sap delivered infocubes begins with a number usually 0. Sap hanaoptimized bw objects infocubes sap netweaver. B adding partitions to an e fact table that is already. Data source partitions in power bi desktop microsoft.
Summary a semantically partitioned object is an infoprovider that consists of several infocubes or datastore objects with the same structure. It is better to reload the archived data into a structurally identical copy of the original infocube instead. This book will substantially contribute to the success of sap bw projects in many companies. Infocubes are distributed across the sap hana nodes. It is a selfenclosed data set encompassing one or more related business processes. The solution offers full integration of range partitioning into sap oltp products e. Dear readers, these sap bw interview questions have been designed specially to get you acquainted with the nature of questions you may encounter during your interview for the subject of sap bw. Details regarding how partitioning works on hana side can be found in.
We will learn how to load transactional data from a flat file with the help of a scenario. Infocubes ultimate sap biw concepts explaination sap blogs. Partitioning infocube hi all, i was trying to partition a cube and i want to know what changes should i make to patition on the basis of 0calmonth. It is the method of dividing a table which would enable a quick reference. You can find information about how to use the migration monitor in the document migrationmonitor. Sap bi on sql server supports table partitioning for two table types psa and fact tables fact tables in infocubes as well as fact tables in sap bi aggregates. Many customers already use sap bw as a strategic tool for companywide control of important processes. Remove unused and empty partitions in the f table of infocubes using the abap. In sap bw, automatic partition of the ftable of the infocube, psa table and change log table of the dso takes place based on the request. Aug 16, 20 this blog post will guide you through one of the very important performance features in sap bw partitioning and the new semantically partitioned object spo. A idocs are used for communication between logical systems like sap r3, r2 and nonsap systems using ale and for communication between an sap r3 system and a nonsap system. Sap partitioning engine was released for customers in january 2010.
For an infocube, for example, all the objects that are in the data flow after the infocube, and are therefore reporting objects that display the data stored in the infocube, are collected. If there is a cube with uncompressed requests and 10 dimensions every dimension brings with it a local bitmap index than there are partitions for the table itself and 10 x index partitions. By partitioning an infocube, the reporting performance is enhanced. Business intelligence bi is a broad category of application programs and technologies for gathering, storing, analyzing, and providing access to data to help enterprise users make better business decisions. A idocs are used for communication between logical systems like sap r3, r2 and non sap systems using ale and for communication between an sap r3 system and a non sap system. Sap bi has typically more data and highvolume reads and therefore need more, not.
The ability to define partitions for each table, based on a column value. I know that partitioning can be done only using the 0calmonth char or the 0fiscper char. In bw, an idoc is a data container for data exchange between sap systems or between sap systems and external systems based on an edi interface. Here you will find sample sap bi questions and mock tests for sap bi certification that are relatively similar to the original exam. Hi, yes,it is possible to load data from infocube to dso, but we should maintain the update mode as summation only for key figures but not for characteristics we can change the update mode in the transformation by selecting the required rule and go to rule details and now there is a property called agregation we need to set it to sum. This document is intended to show the step by step procedure to import sap bw objects from one system to another. Unlike sap bi, partitioning is not used by default in the sap erp system, for mainly historical reasons. Bw, by its virtue has to handle a huge amount of data. Where necessary, limit the maximum number of partitions, the sap recommended optimal maximum number of partitions is 3040, so consider this when planning the range spilt.
Multi dimensional modeling, star schema, bw extended star schema. Whether an infocube is already optimized can be verified using transaction rsa1. How to load transaction data from flat file in sap bibw. You might need to use dso as a lookup source to derive some fields while you load data into other cubesdsos. Over a period, the data is bound to increase and in most of the case, this data cant be deleted, because, they play a very important role in the decision making of a company. Create any infoobjects you need that do not already exist and activate them. Refreshing data sources seems to be an all or none decision in power bi desktop. In a previous blog post we gave an overview of the cool new features of sap bw 7. Enabling or disabling fems query processing at the infocube or. Sap uses fact file partitioning to improve performance.
Then, this is right course for you in great plat form udemy. Semantic partitioning infocube automatic extension program sap. Authorization issues with external sap hana views for sap bw infocubes or datastore objects advanced external sap hana views can retrieve data from the sap bw infocubes when using the retail sap bw structure or from the datastore objects advanced, infocubelike when using the omnichannel sap bw structure. Deletion takes place when the data is loaded into the infocubes of the. In addition, the path extras information logsstatus dictionary db status would only show 2 tables, the f table and the package dimension. This blog post will guide you through one of the very important performance features in sap bw partitioning and the new semantically partitioned object spo. Pivoting can be easily implemented using the expert routine. Sql server 20052008 supports range table partitioning which sap bi can use to partition. If a cube has been partitioned, the e table of the info cube will be partitioned on time.