What are the main steps to build the data warehouse?
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After the generation of a report to whom we have to deploy or what we do after the completion of a report?
Store (and count) non-fact records?
What is MODEL is Data mining world?
What is the difference between a primary and secondary actor in use case modeling?
What is VLDB?
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
Explain what is analytical or analytic mean?
What are the advantages and disadvantages of using stored procedures versus calling sql inline in cold fusion?
Explain what is a cube in data warehousing concept?
Explain why denormalization is promoted in universe designing?
What is index awareness in universe?
a perceptron has two inputs x1,x2 wih weights w1,w2and bias weight of w0. the activation function of perceptron is h(x).the output of perceptron