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By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which
explain participation constraints with examples
What is DAG? The class-subclass relationship is shown by a directed acyclic graph.eg: employees can be temporary or permanent. We might be create subclasses temporary \and perm
how many hourse have been spent on a certain project
After going by the database architecture, let us now dwell on an important query: how is the data organised in a database? There are a lot of basic structures that exist in a datab
Relationship between Security and Integrity: Database security usually refers to access, while database integrity refers to avoidance of accidental loss of consistency. But usually
explain exhausitively the problems associated with er diagrams with ellustrations
Describe the responsibilities of the DBA and the database designer ? The responsibilities of DBA and database designer are: 1. Planning for the database's future storage needs
What are the different strategies of implementation of the Statecharts? There are two strategies for implementation of state charts: i) Basic Implementation Strategy
Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
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