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Data Warehouse Interview Questions
Questions Answers Views Company eMail

What is lookup table in etl testing?

1183

for example You have One Table with 4 Columns (Mgr ID, Department ID, Salary, Employee ID). Can you find out the Average Salary and Number of Employee present per Department and Mgr

1380

what is stage is used for below Input columns: dept|mgr|employee|salary Output columns: mgr|count of employee per mgr|avg salary per dept note: each dept has one mgr and each mgr has many employees

1088

What is the maximum and minimum length of macro variable

1254

Looking for IBM COGNOS Certification C1000-065 , C2020-605 , C2090-621 , C2090-623 Dumps?

1077

Can someone tell me the behaviour of next_in_sequence() and innovation_number() in a multifile. Suppose I have records 1,1,1,2,2,3,4,4 in a 4ways mfs file. Data in each partition is: 0th : 1,1,1 1st : 2,2 3rd : 3 4th : 4,4 What will be the sequence of these records if I pass next_in_sequence() and innovation_number() ? Also how can I extract 3rd record from each of the 4 partitions of a 4way multifile through AbInitio? In unix we can use m_dump

1 4890

Can some tell me at which level pdl gets resolved when parameters are resolved in abinitio? Also what happens in dml evaluation during parameter evaluation ?

1344

Whenever we load data into oracle table from staging table using exchange partition...then I read somewhere that data actually doesn't move in this and this command only reset the pointer in the data dictionary...so if data doesn't move then how data is loaded into the main table ? I mean wat is the point of pointer update in data dictionary?

1004

What is the return type of lookup_not_loaded() ? Does it return 0 or 1 to signify true or false or does it return index ...can someone please explain.

1373

How can we increase the loading performance of oracle table in AbInitio?

1149

What happens when we provide null key to sort, merge and pbks in Abinitio ?

1673

Input Data: AAABBBCC CCAAABB expected output A3B3C2 A3B2C2 How can I achieve this in Ab initio? where In output count of occurrences should be sorted from high to low

1471

Input A 100 NUll A NUll 200 B 100 Null B Null 300 Output A 100 200 B 100 300 Do this using Ab initio

1748

I/p : F1 table have A,B,C,D,E and F2 table having C,E,V i need output 0utput1: ABD output2: V any one suggest me this

1008

IN SCD1, insource we have 10 billion records and in the first day its uploaded successfully and in the second day its taking time to upload because some records it might get update or insert new records. As a developer what will be the better solution for this??

1040


Un-Answered Questions { Data Warehouse }

what is data modeling?

2313


what does the run statement do? : Sas programming

1056


What do the SAS log messages "numeric values have been converted to character" mean?

1381


How to create different types of slowly changing dimensions (SCD) in informatica using the mapping wizard?

1081


How to import multiple xls files into sas. Out of those files, how to get different values from a single variable and how to find number of rows per value type? We can do this using group by for one xls file with proc sql. Was wondering how I can achieve this for multiple files at the same time. Any ideas?

2929


All ready we have alias tables for modifications why we are using views if anybody this answer plz reply me

2091


Give a way in which u can implement a real time scenario where data in a table is changing and u need to look up data from it.How will u configure the look up transform for this purpose?

1893


Can you define materialized view?

1045


how do the in= variables improve the capability of a merge? : Sas programming

1436


What is cognos connection?

1297


Explain what are the mapping paramaters and maping variables?

1070


What are the general problems that are faced while importing the .biar files and what is the solution to overcome it in business objects?

2906


What is the use of datastage designer?

1154


Hi friends I want to know about what r the dimensions in the banking porjects and genarally how many tables r in project ?

1901


Can you execute macro within another macro? If so, how would sas know where the current macro ended and the new one began? : sas-macro

1199