Describe the differences between a data warehouse and data mart.
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Explain what are the advantages and disadvantages of reporting directly against the database?
Suppose your client wants to ensure only specific users can create reports in query studio with other users creating reports using report studio. How can this be accomplished?
What is operational data store (ods)?
Hi Guys, I have been to L& T last week ..Please find the questions mentioned below 1)Slowly changing dimension types 2)DML statement 3)DDL statement 4)write a syntax to create database 5) differences between count(*) and count(column) 6) differences between union and union all 7) what is decode 8) what is NVL 9) Arrange the values in ascending order 10,5,20,15,null 10)Primary and surrogate key 11)what is group by clause does? 12)what is difference between truncate and delete 13)what is difference between OLAP and OLTP ? 14)Architecture of Datawarehouse 15)how do you test the data validation from source as (flat file and xml) to staging tables. 16)what is shedule and time bound the mentioned above question asked in two rounds.all the best
What are the differences between star and snowflake schema?
What is the difference between agglomerative and divisive hierarchical clustering?
What is the difference between metadata and data dictionary?
In my report contain product name, amount, country, sales person I want to create one prompt: sales territory.( Ex: asia, us, uk, aus), but territory column is not there in my model and source if u select the asia in prompt page-ll asian country results I want in report page I discussed with my friends and colleague, they told use the static choice function still I face this problem. If u know please tell me?
Explain is olap databases are called decision support system true/false?
What is the difference between junk dimension and degenerated dimension?
What is Drill by? drill through?
How to pivot data using informatica when you have variable amount of pivot rows?