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 Distributed database Hierarchical database Relational database Network database Distributed database Hierarchical database 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 : relational model subschema schema module None of these relational model subschema schema module None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of both (a) and (b) All of these None of these a list of keys pointers to the master list both (a) and (b) All of these None of these a list of keys pointers to the master list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? DELETE INDEX ROLL BACK INDEX DROP INDEX REMOVE INDEX DELETE INDEX ROLL BACK INDEX DROP INDEX REMOVE INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: referential integrity constraints. functional dependencies. None of these normal forms. referential integrity constraints. functional dependencies. None of these normal forms. ANSWER DOWNLOAD EXAMIANS APP
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