What is the need for an etl tool?
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what is the size of your data warehousing?
What are set operators in Oracle
What are different types of transformations available in informatica?
Explain factlessfact table with scenario
What is the difference between Power Centre and Power Mart?
What does refresh system mean, and what are its distinctive choice?
In what scenario we use to improve session performance by pushdown optimization?can any one give example?
difference between repository database and repository service?
suppose we will take flatfile target and load type is bulkload the session fails why please give me the answer
Tell me one complex query in oracle ?
What is the use of code page?
Why we select the table which has minimum number of records as Master table in joiner?