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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
what should be included in this???
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
explain the steps for reduction of er model into relational model?
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
Conversion of entity sets: I) For every strong entity type E in the ER diagram, we make a relation R containing all the easy attributes of E. The relation R pri
WHAT IS MEANT BY E-R MODEL
Saving Derived Attributes to Avoid Re-computation Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define
what is un ordered and ordered file managment?
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
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