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Define an operator that a Relational Algebra does not have
Ans: Relational Algebra does not have Aggregation operators.
Explain Recursive relationship type? Recursive relationship type: A recursive relationship is one in that the similar entity participates more than once in the relationship
Objectives After Reading this part, you should be able to: Explain the term CONCURRENCY; Describe the term transaction and concurrent transactions; Talk about co
List the data structures implemented by the storage manager. The storage manager executes the following data structure a) Data files b) Data dictionary c) indices
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Describe about Use Case and external case in DFD The processes are transformed those into the Use Case and external case in DFD has same characteristics which of an actor in O
why are older data models are being replaced by new data models
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
Discuss how the bi-directional Implementations are made. In bi-directional implementation of the association, a pair of references must implement every link. The declarations a
#question.explain diversity and magnitude of organic compounds and general properties?
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