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Describe the shadow paging technique.
Draw an ER diagram that represents the information described below. Show all entity sets, relationship sets, primary keys, and the mapping cardinality of the relationship sets.
what is binary relationship
give some example real life situation where DBMS are most suitable
what is natural join?
Question: This form represents one of a number used for each sailing of a range of boats. A passenger may go on many sailings and will have the same passenger number for each.
The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
(1) Insert into PERSON Violated constraint: - Key constraint Reason: - Primary key 1 already exists in PERSON. Dealing: - DBMS could ask the user to provide valid PER
What is the role of a database administrator?
definition and its work
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