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a what is the best test for determining whether a determinant is uniqueb what is a composite keyc what is a candidate
a what is a surrogate keyb where does the value of a surrogate key come fromc when would you use a surrogate keyd what
a what conditions are required for a relation to be in 2nfb what conditions are required for a relation to be in 3nfc
how do you choose the appropriate active directory replication topology for your company what kinds of problems do you
a what is the premise of fagins work on dknfb summarize the three categories of normalization theoryc in general how
what are some factors or requirements when designing an active directory infrastructure how do you gather the
a summarize the reasons for creating customized duplicated tablesb why are customized duplicated tables not used for
suppose you are given the department and employee tables in review question 410 and asked to denormalize them into the
1nbspwrite a program that reads two words representing passwords from the java console and outputs the number of
a how does the fact that a read-only database is never updated influence the reasons for normalizationb for read-only
a compare the difficulty of writing sub queries and joins with the difficulty of dealing with anomalies caused by
a explain ways in which inconsistent values ariseb why are inconsistent values in foreign keys particularly
1 write a complete program that performs the following tasksread a list of double precision numbers scores from the
describe two ways to identify inconsistent values are these techniques certain to find all inconsistent values what
assignment network configurationunderstanding basic network terminology and the rationale for specific network
a what is a null valueb how does a null value differ from a blank valuec what are three interpretations of null values
sergons use which technology to perform delicate operations on patients by manipulating computers instead of
a why should one be wary of general-purpose remarks columnsb identify possible multivalued dependencies in these
recommend a design for a read-only database that would support the following needsa enable trainers to ensure that
a describe the two phases in designing databases that arise from the development of new information systemsb in general
consider a case where you have a new company and you need to source for new it equipment and use it to build a proper
explain how a data model is like a building blueprint what is the advantage of making changes during the data modeling
a who is the author of the entity-relationship data modelb define entity give an example of an entity other than one
a give an example of a composite identifierb define relationship give an example of a relationship other than one
a what is a binary relationshipb explain the difference between an entity and a table why is this difference importantc