Sep 29, 2014 if we did not use aggregate awareness, we would need to define separate objects for each of the fact tables which would be difficult to understand from a users point of view. Right now i have issue when i try to link the index awareness prompt reports. Unleash the full potential of business intelligence with factbased decisions, aligned to business goals, using reports and dashboards that lead from insight to action. Aug 10, 2010 the second step is to set up the aggregate awareness function in your objects. There are times when you want to run query againts summary tables rather then normal non aggregated tables because of the amount of data calculation is involved.
Use aggregate aware function in objects that needs to be made aggregate aware. When a query is fired against the base table the query gets rewritten by query rewrite feature of materialized view. Applying the aggregate awareness optimization method 17 lesson. Through welldesigned universes, report designers and business users will be able to create reports without having to know anything about the underlying data source or structure. For example, teradata now allows aggregate join indices aji. Validating objects lesson objectives after completing this lesson, you will be able to. Insert the aggregate table into the universe and add the appropriate joins. We are trying to use it as a reporting tool for our scientific data but running into issues when performing calculations to create objects and then trying to perform statistical or aggregate functions on them. Performance tuning in business objects environment sap. Identify all the possible definitions tablecolumn combinations of the objects.
The main idea of this feature is to use the available database index. Have a look on designer pdf help files for more details about this. Feb 03, 2015 relaxing jazz for work and study background instrumental concentration jazz for work and study duration. When we go for aggregate awareness in business objects do we need to insert the materialized view or the base table. Sum qty sum price total, in other words it is doing.
Define aggregate aware objects in a business layer 5. Dec 31, 2015 many of us are not aware of this listagg function in bo universe since this is an oracle 11g function and should work well in bo when you use oracle db. I used index awareness prompt in a parent report and child report. Jun 02, 2014 zeek zeek, the region table is being used in the where clause. Sap universe designer is a tool used by businessobjects developers to create semantic layer between. Tutorials sap businessobjects information design tool 4. If we did not use aggregate awareness, we would need to define separate objects for each of the fact tables which would be difficult to understand from a users point of view.
Inserting a navigation path object into a business layer. You can use multiple universes to solve a chasm trap in a webintelligence universe when multiple sql for measures cannot be used as there are dimension objects defined for one or both of the fact tables. Go here to see the second part of our aggregate awareness series to see how to implement your new summary tables into a universe. An aggregate table is summary table that dba build to execute querys faster. Experience in resolving join path problems, including loops and traps in the universes using aliases, contexts, and aggregate awareness in sap business objects designer experience with sap business objects reporting functionalities, including master detail, slice and dice, drilling methodology, filters, ranking, sections, and graphs and breaks. By setting the month dimension as incompatable with the year fact aggregate navigation, the measure will selected from the month table. When i call child report using opendocument i pass key fields in the index awareness prompt. I am new to business objects and more specifically desktop intelligence. Jan 02, 2014 ill start by listing the five steps to setting up aggregate awareness in a sap businessobjects universe. Aggregate awareness improves the performance of a query by reducing the query fetch time. Audience the target audience for this course is anyone responsible for creating and designing universes using a businessobjects enterprise xi r2 or xi 3. Thats why the choices within the aggregate aware measure are set from best to worst, left to right.
You can perform an integrity check on business layer. List aggregate listagg listagg is a built in function that enables us to perform string aggregation natively. The aa function takes multiple fields from multiple tables that have been inserted into your universe and determines which one to use depending on objects selected for a query by the. Apr 20, 2010 steps involved in enabling aggregate awareness are credits to complete reference business objects reference by cindi howson are. Sap business objects developer resume example american. Is it possible to set up aggregate awareness in a universe with contexts and it will still work with objects from 2 contexts in one query. Responsible for effort estimations for business objects universe and reports requirement. May 10, 2012 may 10, 2012 business objects leave a comment. Aggregate tables allow for faster querying speed and increases query performance manifolds. Hi, if we have summarized data in the materialized view. Setting incompatibilities of objects with tables in aggregate navigation section. This class is a combination of instructorled lecture, discussions, and demonstrations with a heavy emphasis on handson workshops to teach businessobjects 4. Before we get into the syntax, here is a quick overview of how the function works. Add business layer folders create business layer dimension objects create time dimension objects create attribute objects lesson 3.
When i try to aggregate that variable on the summary report bowi is not calculating correctly. Map the star schema to understand which data columns do not work with the aggregate tables. Dear readers, these sap webi 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 webi. Steps involved in enabling aggregate awareness are credits to complete reference business objects reference by cindi howson are. Aggregate aware is one of the powerful functions in bo and very common famous function in business objects designer and reports. In this tutorial, we are going to learn about aggregate awareness that is indeed one of the most powerful features of business objects. A demo with a couple of basicsimple tables where i. Interview questions and answers free pdf download page 19 of 51 what are the 2 different approaches of implementing aggregate awareness. Selection from creating universes with sap businessobjects book. The video versions of these tutorials on youtube include optional text captions that can be translated into a number of languages. May 12, 2014 aggregate awareness functionality will help me in achieving the same. Using contexts is the most effective way to solve chasm traps. In this tutorial, you will change the select statements for both a dimension and a measure.
Created the new universes as well as customizing the old universes using aliases, contexts, aggregate awareness, aggregate navigation and hierarchies as per the requirements. Top 20 business objects interview questions and answers pdf. There are three main steps to set up the aggregate awareness feature. String aggregation or list aggregate listagg function in bo. However, it can be solved easily by using aggregate awareness in business objects. Using the function correctly can greatly improve the performance and user experience. Aggregate awareness solving steps theoritical basic definition. Accessing an object from its path in the business layer. Sap universe designer aggregate awareness tutorialspoint. T elling database to redirect to the desired query table based on selection objects in report so this will not track all the tables in db it will directly query from the aggregate table. The ibi recommendation was to leverage database solutions for handling aggregate awareness. May 10, 2012 aggregate awareness is a term that describes the ability of a universe to make use of aggregate tables in a database.
Using aggregate awareness in conditions business objects. An aggregate table which summarises the above table by departure month amongst others. The query objects exclude all possible sql choices for an aggregate aware function. It is a concept which involves the creation of summary tables which leads to simplified storage of. Set sql options and sql generation parameters in the business layer properties. The semantic layer offers a functionality called aggregate awareness which automatically makes the sql sentence optimally point to the highest aggregation level available in the schema for the requested result set. Migrating bo aggregate awareness functionality to obiee.
Aggregate tables contain precalculated aggregated data. Verify business object accuracy and integrity lesson 4. Aggregate awareness the aggregate awareness feature is used to increase performance by leading the report query to select objects from the aggregated table instead of the detailed table at runtime. Sap business objects interview questions and answers. When i put this on the aggregate report it is doing the following. The following tutorials have been developed to help you get started using the business intelligence suite products.
Business objects interview questions and answers business. Aggregate awareness is a feature of designer that makes use of aggregate tables in a database. Using an alias and the aggregate awareness function. Aggregate awareness an aggregate table is a summary table that dbas build to execute queries faster. The business layer and its classesfolders and objects. Aggregate awareness as the name suggest awareness will objects aware of the aggregate tables in the database. Aggregate awareness is the ability of a universe to make use of aggregate tables in a database. Index awareness is a feature that will help the idt use key columns while generating sql queries to speed up data retrieval. Aggregate awareness is a term that describes the ability of a universe to make use of aggregate tables in a database. Ask your universe designer to remove the incompatibility between the objects.
Information design tool user guide sap help portal. Sap businessobjects business intelligence suite document version. I have sucessfully created a condition that will derive the dates of the first and last days for the previous month, however if i attempt to use this condition in a report that only hits the aggregate. Set up aggregate awareness to improve query performance.
Topics to be covered include universe creation, creating relational database connections, creating data foundations, creating business layers, folders and objects, filters, table aliases, aggregate awareness, viewing table keys, publishing and securing universes, index awareness, universe maintenance, and converting 3. Sap businessobjects web intelligence users guide sap help portal. Free web intelligence best practices guide we put together a best practices guide for web intelligence development that includes over 20 pages of tips and techniques for developing business ready reports. Using functions, formulas and calculations in web intelligence. Information design tool user guide crystal reports. 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. Business objects training classes in puneerp academy. Introducing web intelligence bo architecture describing web intelligence concepts explaining web intelligence core functionality creating web intelligence documents with queries querying with web intelligence creating a new document modifying a documents query. You can select the objects you want to perform integrity check.
There are times when you want to run query againts summary tables. Detect incompatability option is provided by bo in order to find out incompatible objects based on some crietria. Aggregate awareness is a function in universe designer that makes use of aggregate tables. Aggregate awareness is a feature that makes use of predefined aggregate tables to enhance the performance of sql transactions. This creates two sql statements and two separate tables in business objects, avoiding the creation of a cartesian product. Business objects developer resume samples velvet jobs. When we define aggegrate awareness, we manually define incompatible objects. Business objects xi web intelligence aggregation issue 11. The navigation map and report map panes list all the reports in a document. Jan 22, 2014 aggregate aware is one of the powerful functions in bo and very common famous function in business objects designer and reports. Using index awareness and setting up a foreign key column on your object means that if no objects are used from that table in this case countrys then the foreign key column kicks in and takes the place of the object. Ill start by listing the five steps to setting up aggregate awareness in a sap businessobjects universe. To use aggregate awareness in a universe, you need to arrange objects by aggregation level and objects are.
The second step is to set up the aggregate awareness function in your objects. Aggregate awareness function is used in scenarios where we have same fact tables in different grains. Business objects training classes and business objects training in camp pune. Top 20 business objects interview questions and answers. Aggregate tables are smaller than detail tables and can be aggregated in a number selection from sap businessobjects bi 4. New content is added as it becomes available, so check back on a regular basis. Using this function we can define only one object for the measures in the fact tables. Book description the definitive reference for building actionable business intelligencecompletely revised for sap businessobjects bi 4. So if you have aggregate tables in your db, you will always get the summarised data as compared to detailed one. When i remove aggregate awareness the universe works fine again, but then without aggregate awareness. Export a document as a pdf, text, excel or excel 2007 file.
An overview of aggregate awareness in business objects. It will speeds up the execution of queries, improving the performance of sql transactions using database aggregate tables. Well dig deeper into each step in the next section. The purpose of these tables is to enhance the performance of sql transactions.
Aggregate awareness in business objects universe design. Aggregate awareness functionality will help me in achieving the same. Index awareness creating universes with sap businessobjects. Sap businessobjects business intelligence platform 4. And you make the universe object aware to use those aggregate table at run time, if only summary info is required. Applying the aggregate awareness optimization method. Dec 19, 2012 once aggregate tables have been inserted into your data foundation, the next step to setting up aggregate awareness in a universe is to modify the select statement of certain objects in the business layer to make them aggregate aware. The using functions, formulas and calculations in web intelligence guide provides detailed information on the advanced calculation capabilities available in when you perform data analysis. Our previous reporting tool, business objects, allowed aggregate awareness.
If you have summary tables and detailed tables and if you want the bo to pick up right table based on what kind of dimension objects you picked at the report level. Does power bi support aggregate awareness aggregate awareness is supported in obiee. If you are not using aggregate awareness you dont need to define incomatiblity objects. This you will see in setting up in navigation path. Universe design with sap businessobjects bi amazon s3. A query based on an indexed database column will retrieve data faster than a normal column. When this is possible, all queries regardless of reportingsql tool can benefit from the aggregations.