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Data Warehouse Interview Questions
Questions Answers Views Company eMail

What are the tools available for etl?

972

What is the goal of optimizer?

1049

What are the different types of datawarehosuing?

991

What are the approaches used by optimizer during execution plan?

904

What needs to be done while starting the database?

1109

What is the definition of cube in datawarehousing?

992

What is the difference between er modeling and dimensional modeling?

1148

What is defined as partial backup?

1075

What are the stages of datawarehousing?

1013

What is called dimensional modelling?

1109

Can we take backup when the database is opened?

1044

What are the types of dimensional modeling?

1063

What are the steps to build the datawarehouse?

1039

What is execution plan?

1201

What needs to be done when the database is shutdown?

1024


Un-Answered Questions { Data Warehouse }

Is there any other repository domains rather than universe, security, document?

1046


how can i text accracy of ETL migration? i am very new to data warehousing. we are writing ETL scripts using SCRIPELLA tool. how can i test the correctness of data. and we are generating reports using pentaho . is there any easy way to test the pentaho. how can test these ETL scripts written in scriptella? thanks in advance

2536


What versions of SAS have you used (on which platforms)?

1514


what are the tables used in health care domain project and columns used in report?

4512


What are the steps involved in designing a fact table?

891


what specific features and functionality do you get with olap services?

962


for whom is sas data integration studio designed? : Sas-di

1003


What are the different versions of sas that you have used until now? : sas-grid-administration

1339


what are the scrubbing procedures in sas? : Sas programming

1285


While creating table my dba has fallback or no fallback in his ddl. What is that?

1185


Migration of Reports from business objects 5.1.5 to samee version in different hardware?

2333


What is the differences between star and snowflake schemas?

1064


What are the types of security?

1028


What is basic teradata query language?

1113


What is hybrid slowly changing dimension?

1035