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A super key is an attribute or set of attributes used to recognize the records uniquely in a relation.
For instance, in the Relation PERSON defines earlier PERSON_ID is a super key since PERSON_ID is unique for every person. Likewise (PERSON_ID, AGE) and (PERSON_ID, NAME) are also super keys of the relation PERSON as their combination is also unique for each record.
Security: Data not needed by local applications is not stored at the site, therefore no unnecessary security violations may exist. But how can we carry out fragmentation? Fragm
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In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
please i request for your assistance in developing a case-based online phone repair
Which two tools are used to administer users for Active Directory?
What are the two main goals of parallelism? Load -balance multiple small accesses, so that the throughput of such accesses enhances. Parallelize large accesses so that the res
random file sharing
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
Create centralized relational database using Top down method- Construction of Logical Model: Translation EERD into Relational Schema: Use the 8 steps algorithm of converting EERD
explain exhausitively the problems associated with er diagrams with ellustrations
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