which set of column value holds the complete tuple for the employee named James Smith?
For the Employee relation shown in the exhibit, which set of column value holds the complete tuple for the employee named James Smith?
Which pair of relational algebraic operations requires union compatibility?
Which pair of relational algebraic operations requires union compatibility?
Which of the following relational algebraic expressions would result in the given table?
Consider the following table as well as the Dept1_Parts and Dept2_Parts relations shown in the exhibit:
Which of the following relational algebraic expressions would result in the given table?
What is the most important service provided by a database management system?
What is the most important service provided by a database management system?
What is the cardinality of the table?
Consider the table for an employee database shown in the exhibit.
What is the cardinality of the table?
What is the degree of the table?
Consider the table for an employee database shown in the exhibit.
What is the degree of the table?
What improvement can be made to file-based databases to overcome their limitations?
What improvement can be made to file-based databases to overcome their limitations?
Which DBDL definition best describes this diagram?
NULL) Primary Key Class_Num
Consider the Information Engineering diagram shown in the exhibit.
Which DBDL definition best describes this diagram?
What is the relationship between BUILDING and RESIDENT?
Consider the Information Engineering diagram in the exhibit showing the relations BUILDING and RESIDENT.
What is the relationship between BUILDING and RESIDENT?
Which of the following lists four advantages of using a DBMS?
You enterprise must decide whether to use a database management system. Which of the
following lists four advantages of using a DBMS?