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Which method of access uses key transformation?
A Hash method of access uses key transformation.
How do I begin
what are the purposes of dbms in details
Consider the relations City (city_name, state) Hotel (name, address) City_hotel (hotel_name, city_name, owner) Answer the following queries in relational algebra (i) Find
data models are being replaced over years. Reasons and why does that happen?
what is the need of a log in dbms
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
Define Query Processing Query processing is the process of selecting the best plan or strategy to be employed in responding to a database request. The plan is then executed to
Consider the subsequent relations along with keys underlined Street (name, location, city) House (number, street_name) Lives (name, house_number) Define the above relations
You are required to write a report which evaluates two of the following issues in relation to your case study database: a. Security issues b. Performance issues c. Backup
it can be possible to create any table without primary key
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