Cognos TM1 interview questions have been prepared by industry experts to help you with your Cognos interview process. As part of this interview questions and answers you will understand the basic features of Cognos TM1, types of Viewers, generating Cubes, data sources available with TurboIntegrator, components of Report Studio and more. Learn Cognos TM1 from Intellipaat Cognos TM1 Certification training and fast-track your career.
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TM1 v10.1 has the interoperability function configured to allow packages to be published from TM1.
There are 3 types of viewers in TM1.
To initiate the TI process TM1RunTI is a command line interface tool.
Series of statements that manipulates values for each record in data source.
TM1 package connector helps to import data from packages/dimensions and custom queries.
Series of statements that is to be executed after the data source is processed.
Synchronized () function can is used to serialize TI process so they can be processed sequentially.
EnableBulkLoadMode() = Enable
DisableBulkLoadMode() = Disable.
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The limit of string length in Turbo Integrator is 8000 single byte character. If the length will become more 8000 bytes then it gets truncated.
TM1 executes chores in GMT standards. It doesn’t have any auto mechanism to accommodate DayLight Saving. Its Chores Scheduled time should be edited when DayLight time begins and ends.
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You can create your own custom scripts using Advanced Window
The sub-tabs which are in advance tab of TI are:
All the system and User threads will be resumed and user logins will also be allowed.
Power Play Transformer contains dimension, measure, model and cube. There are different ways to generate a cube.
Steps to be followed:
Data Sources available with TI are:
Snapshot is nothing it’s only a copy of data, whenever we create any snapshot it only copy the exact data that is related to the particular report. It is used to compare reports.
For ex: we want to compare the report of this month with previous month.
Views It contains query whenever execute views it has read from base table Materialized View M views loading or replicated takes place only once which gives you better query performance.
By using Drill-through reporting you can link from one report to another. There are number of ways to Drill Through:
Drill Through id developed with two reports
Procedure is executed before the data source for the TI is opened. TI directly goes to Epilog if the data source for the process is none and if there is no data source then Metadata and data tabs are ignored.
Series of statements that update or create cubes, dimensions and other metadata structures during the processing
2.0 GB. It depends as per your project requirements.
The minimum requirement to run the sample TM1 servers provided will be:
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Using the distributed approach of TM1 10 they have done testing in thousands of users.
It creates a placeholder on the cells so that the cells will not be skipped during the consolidation.
The more dimensions a cube has, the greater will be the degree of sparsity.
Over Feeding means defining feeders for consolidated cells. (Feeding a consolidated cell automatically feeds all children of the consolidation.)
Under Feeding means failing to the feed cells that contain rules-derived values. This always results in incorrect values and must be avoided at all costs.
SKIPCHECK forces TM1 to use the Sparse Consolidation algorithm in all the cases.
It is used for building the Cubes (Multidimensional Structure used for OLAP processing).
It is a Web portal for Cognos 8 and a component which interacts with the Content Store. It is a frontend to publish, find, manage, organize, and view organization’s business intelligence data.
It’s a reporting tool from IBM which helps in reporting and analysis of various data from a data warehouse.
It is also called as garbage dimension. A junk dimension is a convenient grouping of typically low-cardinality flags and indicators.
Catalog is a file containing the information (Database tables) that Impromptu users need to create reports.
Types of catalogs are:
Power play transformer It is an ‘MOLAP’ tool using which one can create multi dimensional structure called “CUBE”.Power play reports Power play for reports is used to generate report from the cube. Only one report can be generated from one cube. If you want ‘n’ reports you must create ‘n’ cubes.
It’s a cube in which number of populated cells as a percentage of total cells is too low.
A Query Subject is a collection of Query Items. Generally query items have a defined relationship. It is primarily a database table upon which query action takes place.
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Most efficient for the guys.. who studies a day before interview……thanks
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