Introduction to Database System Entities use identifiers while tables use keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? UPDATE APPEND INSERT BROWSE UPDATE APPEND INSERT BROWSE 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) None of these changing the data is one spot will cause data inconsistency storage space is wasted it can be more easily accessed both (a) and (b) None of these changing the data is one spot will cause data inconsistency storage space is wasted it can be more easily accessed 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 query language transaction log report writer None of these data manipulation language query language transaction log report writer None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the maximum number of entities that can be involved in a relationship? ERD Maximum cardinality Greater Entity Count (GEC) Minimum cardinality ERD Maximum cardinality Greater Entity Count (GEC) Minimum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An operation that will increase the length of a list is All of the listed here Insert Look-up Modify All of the listed here Insert Look-up Modify ANSWER DOWNLOAD EXAMIANS APP
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