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Define the terms 1) physical schema 2) logical schema. Physical schema: The physical schema explains the database design at the physical level, which is the lowest lev
explain in detail about time stamp orderting/
Describe the host language? Host Language: You could write applications along with SQL statements embedded inside a host language. The SQL statements give the database inter
What are the physical characteristics of magnetic disks? Ans: A magnetic disk is a circular plate or platter of plastic or metal that is coated with magnetizable material lik
what problems are raised by the database? why is it so controversial? why is data quality an issue?
A student entity type has the following attributes,name..
" Wound-wait" scheme : It is based on a preemptive method. It is based on a simple rule: If Ti requests a database resource that is held by Tj
Define the terms i) Entity type ii) Entity set Entity type: An entity type describes a collection of entities that have the similar attributes. Entity set: The set of all en
The Maximum no of key fields that can be used in a header is?? 50
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
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