Database administrators perform many of the tasks associated with query optimization.
Answer the following statement true (T) or false (F)
True
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Which of the following statements is true?
a. The catch block contains the code that might throw an exception. b. The try block contains the code that handles the exception if one occurs. c. You can have many catch blocks to handle different types of exceptions. d. When a try block terminates, any variables declared in the try block are preserved.
Answer the following statements true (T) or false (F)
1. The read command is used to read input from the keyboard. 2. The special variable $0 holds the user ID of the user. 3. The shell program options v and x are used for debugging the shell scripts. 4. There are 10 special (positional) variables, named 1 to 10. 5. The test command is a shell built in command that evaluates its argument and returns true or false.
The challenge with e-ink technology is that the screens can be somewhat difficult to read
Indicate whether the statement is true or false
If more than one PSO is linked to a user or group, the PSO that applies is determined by the precedence attribute
Indicate whether the statement is true or false