Introduction to Database System Given the functional dependency R → S , R is called the determinant. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID- independent entity ID-dependent entity Strong entity Weak entity ID- independent entity ID-dependent entity Strong entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? data manipulation language None of these report writer query language transaction log data manipulation language None of these report writer query language transaction log ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS that is most difficult to use is ________ . IBM's DB2 Oracle Corporation's Oracle Microsoft's Access Microsoft's SQL Server IBM's DB2 Oracle Corporation's Oracle Microsoft's Access Microsoft's SQL Server ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then both (a) and (b) changing the data is one spot will cause data inconsistency storage space is wasted it can be more easily accessed None of these both (a) and (b) changing the data is one spot will cause data inconsistency storage space is wasted it can be more easily accessed None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The designer of a form includes prompts both (a) and (b) None of these filed designators data prompts both (a) and (b) None of these filed designators data ANSWER DOWNLOAD EXAMIANS APP
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