Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? ALTER TABLE all of the listed here MODIFY TABLE DEFINE TABLE ALTER TABLE all of the listed here MODIFY TABLE DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Network database Relational database Hierarchical database Distributed database Network database Relational database Hierarchical database Distributed database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In order to use a record management system Both (a) and (b) None of these You need to understand the low-level details of how information in stored You need to understand the model the record management system uses. All of these Both (a) and (b) None of these You need to understand the low-level details of how information in stored You need to understand the model the record management system uses. All of these 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 The designer of a form includes None of these prompts both (a) and (b) data filed designators None of these prompts both (a) and (b) data filed designators ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS