Question 459 Which of the following features is supported in the relational database model? A Complex data-types B Multivalued attributes C Association with multiplicities D Generalization […]

Question 470 Consider the following database table:  Create table test( one integer, two integer, primary key(one), unique(two), check(one >= 1 and <= 10), check(two >= 1 and <= 5)) How many […]

Question 2 Which of the following statements regarding the features of the object-oriented approach to databases are true? (a)The ability to develop more realistic models of […]

Question 486 <consider the="" following="" relation:="" Works (emp name, company name, salary) Here, emp_name is primary key. Consider the following SQL query Select emp name From […]