Introduction to Database System In SQL, which command(s) is(are) used to enable/disable all triggers on a table? MODIFY TRIGGERS IN TABLE ALTER TRIGGERS All of the listed here ALTER TABLE MODIFY TRIGGERS IN TABLE ALTER TRIGGERS All of the listed here ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database None of these both (a) and (b) All of these can use aggregate functions like SUM and COUNT are written in English None of these both (a) and (b) All of these can use aggregate functions like SUM and COUNT are written in English ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be a compound key consisting of the first name and the last name the pin code None of these the last name All of these a compound key consisting of the first name and the last name the pin code None of these the last name All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation establishes an index for a file sorts file using two keys sorts a file using a single key None of the listed here establishes an index for a file sorts file using two keys sorts a file using a single key None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. False True False True ANSWER DOWNLOAD EXAMIANS APP
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