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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
Define Deadlock prevention These protocols make sure that the system will never enter a deadlock state. There are two methods to deadlock prevention. One approach makes sure t
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
For every n-ary relationship type R where n>2, we make a new table S to represent R. We contain as foreign key attributes in s the primary keys of the relations that show the parti
If R1 and R2 are two relations or functions, then the result of R3 = R1 × R2 is the combination of tuples that are in R1 and R2. The product is associative and commutative. Degr
The database depicted in the Visio diagram describes Proceeding , Article , Researcher , article PublishedIn a proceeding, article WrittenBy researchers and proceedings Edi
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
milestone assignment
Explain group By clause in SQL? Group By clause in SQL: The GROUP BY clause can be used in a SELECT statement to collect data across multiple records and group the results thro
want a idea for final year project
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