Introduction to Database System Entities use identifiers while tables use keys. 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? MODIFY TRIGGERS IN TABLE All of the listed here ALTER TABLE ALTER TRIGGERS MODIFY TRIGGERS IN TABLE All of the listed here ALTER TABLE ALTER TRIGGERS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The way a particular application views the data from the data base that the application uses is a : subschema schema relational model None of these module subschema schema relational model None of these module ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in a hashed file an indexed file a tree file a sequential file None of these a hashed file an indexed file a tree file a sequential file None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table ALTER TABLE MODIFY TABLE ADD COLUMN INSERT COLUMN ALTER TABLE MODIFY TABLE ADD COLUMN INSERT COLUMN ANSWER DOWNLOAD EXAMIANS APP