Introduction to Database System A tuple is a(n): column of a table. two dimensional table. key of a table. row of a table. column of a table. two dimensional table. key of a table. row of a table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What software packages are commonly used for businesses that have to track extensive lists of clients and inventory? Data management packages None of these Custom made programs Special purpose packages Single function application packages Data management packages None of these Custom made programs Special purpose packages Single function application packages ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Relationship Identifier Attribute Entity Relationship Identifier Attribute Entity 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. None of these One-to-many relationship Many-to-one relationship One-to-one relationship Many-to-many relationship None of these One-to-many relationship Many-to-one relationship One-to-one relationship Many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? None of these SELECT ALL FROM BOOK All of these SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK None of these SELECT ALL FROM BOOK All of these SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. False True False True ANSWER DOWNLOAD EXAMIANS APP