| Other Data Warehouse General Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| What are cursors? | | 4 |
| Hi,
Could any one tell me which schema (star and snow flake
schema) will take much space?
Thanks
S.A.K
| Accenture | 3 |
| 4.Explain Snowflkeschema ? | HCL | 6 |
| What is IQD file? | | 1 |
| What is a Data Cube? | | 1 |
| What is source qualifier? | | 1 |
| If I have table T1 and table T2
T1 has 250 cols and 10,000 rows
T2 has 2 billion rows and 10 cols
Which one would be Fact table and which one would be
Dimension table and why ? | Principal-Finance | 3 |
| What's a Cube in Rolap? | Oracle | 2 |
| what are different types of partitioning in oracle ? | | 2 |
| What is confirmed dimension? | | 5 |
| wht is degenerated dimension ?it's uses? | CTS | 8 |
| explain the ROLLUP, CUBE, RANK AND DENSE_RANK FUNCTIONS OF
ORACLE 8I | IBM | 1 |
| How to handle time period attribute for time dependent data??
a.)add time period as a part of pk b.)add time period simply
and make it nullablec.)add time period simply and make it
not null. | | 1 |
| How many repositories can we create in Informatica? | Informatica | 8 |
| How to use the tool Ontobulider | | 1 |
| Explain about Control M JObs detaily?How to execute this. | Scope-International | 2 |
| What is the difference between an ODS and a W/H? | | 1 |
| what is a hot file, why we need in datawarehousing, where
we used in general | Thomson | 2 |
| Compare ?Data mining? and ?Data Warehousing?? | | 4 |
| What is the difference between a W/H and an OLTP application? | | 4 |
| |
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