Introduction to Database System For some relations, changing the data can have undesirable consequences called: normal forms. modification anomalies. referential integrity constraints. transitive dependencies. normal forms. modification anomalies. referential integrity constraints. transitive dependencies. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then changing the data is one spot will cause data inconsistency it can be more easily accessed None of these both (a) and (b) storage space is wasted changing the data is one spot will cause data inconsistency it can be more easily accessed None of these both (a) and (b) storage space is wasted ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add new rows to a table? ADD ROW ALTER TABLE INSERT APPEND ADD ROW ALTER TABLE INSERT APPEND ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Relational database Hierarchical database Network database None of these Distributed database Relational database Hierarchical database Network database None of these Distributed database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? Weak entity ID-dependent entity Strong entity ID-independent entity Weak entity ID-dependent entity Strong entity ID-independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An operation that will increase the length of a list is Modify Insert Look-up All of the listed here Modify Insert Look-up All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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