A data block size is specified for each ORACLE database when the database is created. A database users and allocated free database space in ORACLE data blocks. Block size is specified in INIT.ORA file and can't be changed latter.
Explain How are the Dimension tables designed?
What is a dimension table?
What is is a Star Schema?
Explain What are slowly changing dimensions?
What are modeling tools available in the Market?
Explain Which columns go to the fact table and which columns go the dimension table?
What are the advantages of RAID 1, 1/0, and 5. What type of RAID setup would you put your TX logs?
Explain me what are conformed dimensions?
Explain Why are OLTP database designs not generally a good idea for a Data Warehouse?
What is data mining?
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