Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: add a composite key. create a new theme. change the theme. split the relation into two relations, each with a single theme. add a composite key. create a new theme. change the theme. split the relation into two relations, each with a single theme. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is Insert None of these Look-up All of these Modify Insert None of these Look-up All of these Modify ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is dividing documents to be entered into batches All of these controlling the input of each input clerk None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches All of these controlling the input of each input clerk None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to redefine an index's future storage allocation MODIFY INDEX ALTER INDEX DO INDEX None of these REDEFINE INDEX MODIFY INDEX ALTER INDEX DO INDEX None of these REDEFINE INDEX ANSWER DOWNLOAD EXAMIANS APP
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