Introduction to Database System A recursive relationship is a relationship between an entity and ________ . a subtype entity itself an instance entity an archetype entity a subtype entity itself an instance entity an archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Attributes Identifiers Entities Relationships Attributes Identifiers Entities Relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then it can be more easily accessed storage space is wasted None of these both (a) and (b) changing the data is one spot will cause data inconsistency it can be more easily accessed storage space is wasted None of these both (a) and (b) changing the data is one spot will cause data inconsistency ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System It is more accurate to define a _____ as a variety of different record types that are treated as a single unit Flat File None of these Database Record Table Flat File None of these Database Record Table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after Delete Insert All of these None of these Look-up Delete Insert All of these None of these Look-up ANSWER DOWNLOAD EXAMIANS APP
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