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What is transaction?
Collections of operations that form a single logical unit of work are known as transactions.
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
What is called as recursive partitioning? The system repeats the splitting of the input unless each partition of the build input fits in the memory. Such partitioning is known
What is OOM? Object oriented modeling is an approach by which modeling of systems is done by visualizing the system based on real world concepts. Object oriented modeling does
management information system based on functional organisation
Which product produces the relation that has attributes of R1 and R2 ? Cartesian product produce the relation which has attributes of R1 and R2
Smart Alex Catering Sevice (SACS) is a company offering top class catering staff for prestigious events. The company employs approximately 200 hourly paid contact staff - chefs,
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
Define access time. Access time is the time from when a read or write request is issued to when data transfer starts.
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Define the concept of aggregation. Give two examples where this concept is useful. Ans: Aggregation transforms a relationship among the objects into a higher-level object. A
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