Introduction to Database System Any table that meets the definition of a relation is said to be in first normal form. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. determinants. composite keys. candidate keys. foreign keys. determinants. composite keys. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. False True False True 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? Weak entity ID-dependent entity ID- independent entity Strong entity Weak entity ID-dependent entity ID- independent entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file that is organized in uniform format is formally referred to as a _____ or a database file. Record Document Database Structured data file None of these Record Document Database Structured data file None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Embedded pointer provide an inverted index All of these None of these a physical record key a secondary access path an inverted index All of these None of these a physical record key a secondary access path ANSWER DOWNLOAD EXAMIANS APP
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