Tell me one example for multi valued dimension or bridge
table?
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Answer / sudheer.r
bridge table nothig but its a multipart key ..
bridge table maintain relation ship between fact table and
dimension table . at the time of having multiple key
values,that table calls bridge table
| Is This Answer Correct ? | 10 Yes | 2 No |
Answer / jenny
Bridge table is good when you have to change Many-to-Many
relationshipes to two one-to-many relationships.
| Is This Answer Correct ? | 7 Yes | 2 No |
What are diagrams?
0 Answers InfoAxon Technologies,
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
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