Write a trigger to ensure that no employee of age less than 25 can be inserted in the database.
SIKSHAPATH Latest Questions
Create a row trigger which ensures that whenever salary is updated in the emp table, then some message is displayed to the user and if new salary is lesser than old salary display the difference between both the salaries.
State the purpose of the checkpoint mechanism. How often should checkpoints be performed? How does the frequency of checkpoints affect. a. System performance when no failure occurs b. The time it takes to recover from a system crash c. The time it takes ...
DBMS assignment
Find the infix equivalents of the following postfix equivalents: (A) A B + C * D – (B) ABC * + D –
Solve the following quadratic programming problem(Wolf’s method) Maximize Z = 15x1+30x2+4x1x2-2x12-4x22 Subject to x1+2x2 ≤ 30, x1,x2≥ 0