Which of the following is NOT true regarding simple update queries?

A) The data types for each table field need to match.
B) A simple update query involves updating data in one table, allowing you to specify two values, the value you want to replace and the value to use as a replacement.
C) 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.
D) A simple update query can be an easy way to update large amounts of data.

A

Computer Science & Information Technology

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Run the programs by starting the server (don’t forget to specify a port number as a command-line argument) first, then the client. Conduct a session and observe the diagnostic messages displayed on both sides. Describe your observation of the sequence of events.

This exercise uses EchoServer1 and EchoClient1, which uses connectionless datagram sockets for the Echo service. Compile Echo*1.java (“javac Echo*1.java”). Then:

Computer Science & Information Technology

An object has ____________________, which is another way of saying that at any particular moment its instance variables have particular values.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology