what is advantages of snowflake when it is used?

Answer Posted / sudhakar

the main disadvantage of snowflake schema is its normalised
format, so performance is poor and it is complex.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is use of SDR function?

4706


How many types of hash files are there?

610


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

772


In Informatica,for the table I can find coreesponding dependent mappings.Likewise can I find the dependent jobs with all the information by using the table name

2006


What is oci?

850






Have you used Unstructured data?

830


Different ways a project can be moved to production ?...example ….export-import and Version control.

1931


What is the flow of loading data into fact & dimensional tables?

593


i WANTED TO USE THE RANGE LOOKUP SCENARIO IN DATASTAGE 7.5.2 SRVER JOB.i HAVE A DATE FIELD IN SOURCE AND I SHOULD MATCH IT WITH A FIELD IN LOOKUP FILE.BUT,THE FIELDS SHOULD MATCH EVEN THOUGH THERE IS SOME RANGE.CAN SOMEONE TELL ME HOW CAN I DO THAT. THANKS

3309


What is the purpose of pivot stage and types of containers in datastage

609


If we take 2 tables(like emp and dept),we use join stage and how to improve the performance?

1624


What is use Array size in datastage

1302


Explain usage analysis in datastage?

649


What is quality stage?

568


What are the primary usages of datastage tool?

623