What are the advantages of query studio compared to report studio?
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what is the difference between aggregate table and fact table ? how do you load these two tables ?
How can Oracle Materialized Views be used to speed up data warehouse queries?
What are fact, dimension, and measure?
What is freehand sql?
Explain difference between view and materialized view?
How to import vsam files from source to target. Do we need a special plugin?
Explain difference between snow flake and star schema.
What is prompt types of prompts?use of prompts syntax of prompt?
What are parallel querys and query hints?
What is multi-dimensional analysis?
5.Explain ODS ?
What is the difference between star and snowflake schemas?