Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table INSERT COLUMN ALTER TABLE MODIFY TABLE ADD COLUMN INSERT COLUMN ALTER TABLE MODIFY TABLE ADD COLUMN 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities use identifiers while tables use keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove a table from the database in SQL? ERASE TABLE UNATTACH TABLE DROP TABLE DELETE TABLE ERASE TABLE UNATTACH TABLE DROP TABLE DELETE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): normal form. transitive dependency. referential integrity constraint. insertion anomaly. normal form. transitive dependency. referential integrity constraint. insertion anomaly. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Updating a database means modifying or adding record occurrences reorganizing the database revising the file structure all of the listed here modifying or adding record occurrences reorganizing the database revising the file structure all of the listed here ANSWER DOWNLOAD EXAMIANS APP
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