Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table ADD COLUMN MODIFY TABLE INSERT COLUMN ALTER TABLE ADD COLUMN MODIFY TABLE INSERT COLUMN ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: None of these users data base separate files data-base administrator None of these users data base separate files data-base administrator ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A report form is used during report generation to format data None of these both (a) and (b) appears on the computer monitor during data entry All of these is used during report generation to format data None of these both (a) and (b) appears on the computer monitor during data entry All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: attributes. identifiers. entities. relationships. attributes. identifiers. entities. relationships. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → (B,C) → A → A → (B,C). A → (B,C) → A → A → (B,C). ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data. True False True False ANSWER DOWNLOAD EXAMIANS APP