Introduction to Database System Queries to a database can use aggregate functions like SUM and COUNT All of these are written in English None of these both (a) and (b) can use aggregate functions like SUM and COUNT All of these are written in English None of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Database applications are seldom intended for use by a single user. False True False True 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. Document Record Structured data file Database None of these Document Record Structured data file Database None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: foreign keys. determinants. candidate keys. composite keys. foreign keys. determinants. candidate keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Attributes Primary keys Relationships Entities Attributes Primary keys Relationships Entities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. One-to-one relationship One-to-many relationship Many-to-many relationship Many-to-one relationship None of these One-to-one relationship One-to-many relationship Many-to-many relationship Many-to-one relationship None of these ANSWER DOWNLOAD EXAMIANS APP
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