Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Update file Log file Master file Specialized file Update file Log file Master file Specialized file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity. instance parent child subtype instance parent child subtype ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? dBase-II DB2 R:base IDMS dBase-II DB2 R:base IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to remove a stored function from the database? DROP FUNCTION REMOVE FUNCTION ERASE FUNCTION DELETE FUNCTION None of these DROP FUNCTION REMOVE FUNCTION ERASE FUNCTION DELETE FUNCTION None of these 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. Relational database Network database Hierarchical database Distributed database Relational database Network database Hierarchical database Distributed database 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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