Introduction to Database System A functional dependency is a relationship between or among: tables. rows. attributes. relations. tables. rows. attributes. relations. 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 Custom made programs Special purpose packages Single function application packages None of these Data management packages Custom made programs Special purpose packages Single function application packages None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have more than one member but only one occurrence per member only one owner but many owner occurrences only one member but many member occurrence All of the listed here more than one member but only one occurrence per member only one owner but many owner occurrences only one member but many member occurrence All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: determinants. candidate keys. composite keys. foreign keys. determinants. candidate keys. composite keys. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality 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 SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these None of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these ANSWER DOWNLOAD EXAMIANS APP