Introduction to Database System Updating a database means modifying or adding record occurrences revising the file structure reorganizing the database all of the listed here modifying or adding record occurrences revising the file structure reorganizing the database all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. False True False True 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable all triggers on a table? ALTER TABLE ALTER TRIGGERS MODIFY TRIGGERS IN TABLE All of the listed here ALTER TABLE ALTER TRIGGERS MODIFY TRIGGERS IN TABLE All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . an archetype entity a subtype entity an instance entity itself an archetype entity a subtype entity an instance entity itself ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a column. identifies a row. must always be composed of two or more columns. can only be one column. identifies a column. identifies a row. must always be composed of two or more columns. can only be one column. ANSWER DOWNLOAD EXAMIANS APP