Introduction to Database System In the relational model, relationships between relations or tables are created by using: determinants. composite keys. candidate keys. foreign keys. determinants. composite keys. candidate keys. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled "TableName," "NumberOfColumns" and "PrimaryKey." You are looking at ________ . metadata indexes A report user data metadata indexes A report user data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? None of the listed here data dictionary and query language query language and utilities data dictionary and transaction log None of the listed here data dictionary and query language query language and utilities data dictionary and transaction log ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A tuple is a(n): column of a table. row of a table. two dimensional table. key of a table. column of a table. row of a table. two dimensional table. key of a table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relationship classes are associations between entity classes. True False True False ANSWER DOWNLOAD EXAMIANS APP