Interested to Buy Any Domain ? << Click Here >> for more details...
What is a data modeling?
- 2 Answers
- 6842 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / raju2
data modelling means breaking entity relation between
tables and bulid up of d/w using schemas by dimensional
modelling
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / jeevan kumar medapati
this is the process of designing the data base.in real time
data base architech (or) data modeler design the data base
by using GUI base data base designing tool ERVIN.
3 types of data models can be defined (1)star data model
(2)snoflake data model
(3)galaxy data model
| Is This Answer Correct ? | 0 Yes | 0 No |
source table have 3 records? and it is sucessfully loaded into target. and 4more records is added in to source .that means 7 records now in source. we have to load the remaining 4 records into the same trgt table with maintian top 3 records. how ?can any one give me the data flow of this logic plz?
What are multi-group transformations?
What are variable ports and list two situations when they can be used?
How to go to the older version for a mapping?
What are the uses of a Parameter file?
Can any one give me a real time example for FACT TABLE & DIMENSIONAL TABLE?
Diff B/W MAP Parameter, SESSION Paramater, DataBase connection session parameters.? Its possible to Create 3parameters at a time? If Possible which one will fire FIRST?
How can you increase the performance in joiner transformation?
when load type is selected as bulk or normal in session level ?let me know the internal process and give me an example?
How can we create index after completion of load process?
Mapping variables, parameters syntax, if you create mapping variables and parameters in mapplet can you use them in the mapping?
What happens to map if we alter the datatypes between source and its corresponding source qualifier?
Teradata 
