Answer : The inner query is executed only once…
Tata Consultancy Service interview questions and answers
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Answer : The union operator combines the results of two or more queries into a single result set…
Answer : Index is a database object which improves the efficiency of the query…
Answer : The page footer tab is used to present various attributes and functions.
Answer : PDI supports combination of two tables form the same database using a ‘Table Input’ method performing the join in SQL only….
Answer : The biggest benefit is that integrating data improves consistency and reduces conflicting and erratic data from the Database.
Answer : Pentaho Data Integration (PDI), it is also called as Kettle. Pentaho responsible for the Extract, Transform and Load (ETL) processes to the PDI component.
Answer : Metadata model in pentaho gives an encapsulation about the physical definitions…..
Answer : All of the tools.
PDI / Kettle is sometimes used to mean Spoon.
Answer : Dashboards are the group of different information objects on single page such as tables, diagrams and textual content.
Answer : A chart is defined as graphical representation of data or otherwise called a graph.
Answer : Pentaho Reporting evaluation is a package of its reporting activities……
Answer : The wizard used to install PDI. PDI software install by wizard…..
Answer : Pentaho is ability for building Advanced Reporting Algorithms despite of their input and output data format.