Introduction to Database System For some relations, changing the data can have undesirable consequences called: referential integrity constraints. transitive dependencies. modification anomalies. normal forms. referential integrity constraints. transitive dependencies. modification anomalies. normal forms. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? All of these None of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these None of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Network database Relational database None of these Distributed database Hierarchical database Network database Relational database None of these Distributed database Hierarchical database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when Two concurrent activities interact to cause a processing error two users of the DBMS are interacting with different files at the same time None of the listed here Both of the listed here Two concurrent activities interact to cause a processing error two users of the DBMS are interacting with different files at the same time None of the listed here Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? treelike structure complex logical relationships tables records treelike structure complex logical relationships tables records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute is a(n): row of a table. column of a table. key of a table. two dimensional table. row of a table. column of a table. key of a table. two dimensional table. ANSWER DOWNLOAD EXAMIANS APP
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