Which is the optimized method of extracting the data.
Answer Posted / pratap gangula
Delta loading is a way to extract data in a optimized way. Doing the incremental load by tracking the last update date or modified date makes the ETL processing faster.
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
I know of using applysimple, but there are other ways too?
Explain the data type of the surrogate key?
What is data analysis?
What is the function of etl when used in data warehousing?
In document how to create metrics?
Explain difference between snow flake and star schema.
How are the dimension tables designed?
What are the data marts?
Explain some of modeling tools available in the market?
How do you define data block size?
How can we schedule the graph in unix?
What are the types of dimensional modeling?
What are Aggregate tables?
Which are the olap tools available that are supported by oracle?
What is a real-time data warehouse?