![]() ![]() To improve the performance of ETL (Extract, Transform, Load) transactions, partitioning is often employed. Which partition is used to improve the performance of ETL transactions? PowerCenter can be connected with ERP sources such as SAP, Oracle Apps, PeopleSoft, etc. With which apps can PowerCenter be connected? Help Source Bugs: Due to this bug, the help documentation becomes incorrect. Hardware Bugs: This type of bug hinders the device from responding to an application as expected. Version Control Bugs: Regression testing is where you commonly encounter these types of bugs, and it lacks version details. Race Condition Bugs: This type of bug disrupts the proper functioning of your system, causing it to crash or hang.ĮCP (Equivalence Class Partitioning) Bug: A bug of this type leads to the presence of invalid types. Load Condition Bugs: This software defect prevents the inclusion of multiple users and prohibits the utilization of user-accepted data. Input/Output Bug: This type of bug causes the application to accept invalid values instead of valid ones.īoundary Value Analysis Bug: Bugs in this section verify both the minimum and maximum values.Ĭalculation bugs: Calculation bugs usually result in mathematical errors that lead to incorrect results. User Interface Bug: GUI bugs encompass issues with color selection, font style, navigation, spelling check, etc., in the user interface. PowerCenter processes large volumes of data, whereas Power Mart processes small volumes of data. What is the difference between PowerCenter and PowerMart? Learn more about Informatica from this in-depth Informatica Tutorial ! 12. A materialized view is a pre-computed aggregate table that contains summarized or joined data from fact and dimension tables. What is the meaning of a materialized view log, and how would you define a materialized view?Ī materialized view log is a table that stores changes to the base tables used in a materialized view. They help in ensuring data quality, consistency, and alignment with the desired data model or requirements.ĮTL Interview Questions for Experienced (2 to 5 Years) 11. These sub-steps provide a more detailed breakdown of the tasks and operations that can be performed within each step of the ETL process.
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