Introduction to Database System In SQL, which command is used to add new rows to a table? ALTER TABLE ADD ROW APPEND INSERT ALTER TABLE ADD ROW APPEND INSERT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data item field data base record data item field data base record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Supertype entity Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema stores data in tables All of the listed here restricts the structure to a one-to-many relationship permits many-to-many relation¬ships stores data in tables All of the listed here restricts the structure to a one-to-many relationship permits many-to-many relation¬ships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? ALTER TABLE DEFINE TABLE all of the listed here MODIFY TABLE ALTER TABLE DEFINE TABLE all of the listed here MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
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