Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data item characteristics that are important in data management include spelling punctuation width language spelling punctuation width language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? DROP INDEX REMOVE INDEX DELETE INDEX ROLL BACK INDEX DROP INDEX REMOVE INDEX DELETE INDEX ROLL BACK INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute is a(n): key of a table. row of a table. two dimensional table. column of a table. key of a table. row of a table. two dimensional table. column of a table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Distributed database None of these Relational database Network database Hierarchical database Distributed database None of these Relational database Network database Hierarchical database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID- independent entity Weak entity ID-dependent entity Strong entity ID- independent entity Weak entity ID-dependent entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
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