Why is chameleon method used in data warehouse?
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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.
What is a real-time data warehouse?
How can we schedule the graph in unix?
Explain what is the data type of the surrogate key?
Explain is olap databases are called decision support system true/false?
What are the different types of segments?
What is factless fact schema?
How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.
Explain the structure of cold fusion?
Explain a relation schema and a relation?
In datastage can ve find the job based on source table name ??
What are cluster analysis in data warehousing?