Examlex
The built-in function SUM can be used with any column.
Q4: In Microsoft Access,the primary key must be
Q7: If T3 is a table with three
Q7: In an SQL query,which SQL keyword is
Q11: UML-style E-R diagrams allow for the existence
Q20: In UML,cardinalities are represented by an x
Q37: Given the functional dependency (A, B) →
Q38: During the data import process in Oracle,if
Q65: Which of the following statements would cause
Q81: With SQL Server,only one clustered index is
Q93: Smarter and more socially skilled children are