Give an example of an application where the second version would be preferable.
What will be an ideal response?
The first transaction checks whether there are seats on the plane, and the second
reserves a seat. If the first version were used, someone might reserve the seat between the two transactions.
You might also like to view...
Create a Cylinder class that extends Circle following the model of RectangularPrism. Answer:
What will be an ideal response?
Which of the following regarding complex update queries is FALSE?
A) Some of the data in the destination fields may be truncated. B) If you update data from one table to another and use compatible data types instead of matching data types, Access converts the data types of the fields in the destination table. C) The data types for both the source and destination fields must match and be compatible. D) First begin with a select query that identifies the records to be updated and then change the query to an update query and click Run.
A ____ can be represented by using the Char data type.
A. letter B. very large number C. punctuation symbol D. symbol
List and briefly define the four basic topologies that are used for computer networks.
What will be an ideal response?