Queries retrieve information in a table based on ________ that the user specifies in the design grid
Fill in the blank(s) with correct word
criteria
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A(n) ____________ is a method with no body that appears in a base class, and must be overridden in a (non-abstract) derived class.
a. shadow method b. base method c. derived method d. abstract method
Consider the COMPANY database described in Figure 3.6. Using the syntax of Oracle triggers, write active rules to do the following:
(a) Whenever an employee’s project assignments are changed, check if the total hours per week spent on the employee’s projects are less than 30 or greater than 40; if so, notify the employee’s direct supervisor. (b) Whenever an EMPLOYEE is deleted, delete the PROJECT tuples and DEPENDENT tuples related to that employee, and if the employee is managing a department or supervising any employees, set the MGRSSN for that department to null and set the SUPERSSN for those employees to null.
An active cell is outlined with a thick, blue border
Indicate whether the statement is true or false.
Describe the main characteristics of the Challenge-Handshake Authentication Protocol (CHAP).
What will be an ideal response?