Introduction to Database System For some relations, changing the data can have undesirable consequences called: normal forms. transitive dependencies. referential integrity constraints. modification anomalies. normal forms. transitive dependencies. referential integrity constraints. modification anomalies. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if All of these None of these only a small computer system is available only a few transactions are involved a large computer system is available All of these None of these only a small computer system is available only a few transactions are involved a large computer system is available ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? CREATE DELETE UPDATE SELECT CREATE DELETE UPDATE SELECT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called database data record data field None of these data file database data record data field None of these data file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a All of the listed here Network schema Relational schema Hierarchical schema All of the listed here Network schema Relational schema Hierarchical schema ANSWER DOWNLOAD EXAMIANS APP