Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? Weak entity ID-dependent entity Strong entity ID-independent entity Weak entity ID-dependent entity Strong entity ID-independent entity 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 Single function application packages Custom made programs Special purpose packages Data management packages None of these Single function application packages Custom made programs Special purpose packages ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? CHANGE USER MODIFY USER All of the listed here ALTER TRIGGER CHANGE USER MODIFY USER All of the listed here ALTER TRIGGER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "records". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database can use aggregate functions like SUM and COUNT None of these All of these both (a) and (b) are written in English can use aggregate functions like SUM and COUNT None of these All of these both (a) and (b) are written in English 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
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