Introduction to Database System In a large DBMS all of the listed here each subschema contains every field in the logical schema each user can "see" only a small part of the entire database each user can access every sub¬schema all of the listed here each subschema contains every field in the logical schema each user can "see" only a small part of the entire database each user can access every sub¬schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The only reason for the existence of relations is to store instances of functional dependencies. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. 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 Relationships Entities Identifiers Attributes Relationships Entities Identifiers ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: determinants. composite keys. foreign keys. candidate keys. determinants. composite keys. foreign keys. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? All of these There is common sharing of data among the various applications Programs are dependent on the files It is file-oriented It is inflexible All of these There is common sharing of data among the various applications Programs are dependent on the files It is file-oriented It is inflexible ANSWER DOWNLOAD EXAMIANS APP
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