Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then changing the data is one spot will cause data inconsistency it can be more easily accessed both (a) and (b) storage space is wasted None of these changing the data is one spot will cause data inconsistency it can be more easily accessed both (a) and (b) storage space is wasted None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relational schema, each tuple is divided into fields called Queries All of the listed here Relations Domains Queries All of the listed here Relations Domains ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS ranked as being the "hardest to use" in the text is Microsoft's SQL Server. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Update Index Delete Sort key Update Index Delete Sort key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Attributes Primary keys Relationships Entities Attributes Primary keys Relationships Entities ANSWER DOWNLOAD EXAMIANS APP