Introduction to Database System The highest level in the hierarchy of data organization is called data file database data record data bank data file database data record data bank ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? CREATE DELETE SELECT UPDATE CREATE DELETE SELECT UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes record relationships None of these All of these records and files data elements record relationships None of these All of these records and files data elements ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: determinants. foreign keys. candidate keys. composite keys. determinants. foreign keys. candidate keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a relational database? 4th Dimension dBASE IV FoxPro Reflex 4th Dimension dBASE IV FoxPro Reflex ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is made up a several pieces of information both (a) and (b) uniquely identifies an item in a list None of these is a combination of each unique key is made up a several pieces of information both (a) and (b) uniquely identifies an item in a list None of these is a combination of each unique key ANSWER DOWNLOAD EXAMIANS APP