Introduction to Database System For some relations, changing the data can have undesirable consequences called: normal forms. referential integrity constraints. modification anomalies. transitive dependencies. normal forms. referential integrity constraints. modification anomalies. transitive dependencies. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. Relational None of these Network Object-Oriented Hierarchical Relational None of these Network Object-Oriented Hierarchical ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the language used by most of the DBMSs for helping their users to access data? SQL Query language 4GL High level language SQL Query language 4GL High level language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. composite keys. determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? Programs are dependent on the files It is file-oriented All of these There is common sharing of data among the various applications It is inflexible Programs are dependent on the files It is file-oriented All of these There is common sharing of data among the various applications It is inflexible ANSWER DOWNLOAD EXAMIANS APP
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