Describe the difference between quoting strings using single quotation marks and using double quotation marks.
What will be an ideal response?
Just as in the shell, strings enclosed within single quotation marks do not
interpolate special character sequences, whereas those enclosed within dou-
ble quotation marks do.
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Once a final version of a document has been accepted, it is a good idea to save it with a new name and delete the document with the tracked changes
Indicate whether the statement is true or false
Sara wants to set up her lights to turn on when she arrives home. She has heard that she might be able to do this using IoT. What should Sara be concerned about when setting up her IoT lights?
A. Short lifespan B. Accessibility C. Availability D. Security
Removal of ______________ is very difficult because they alter system files and drivers the system depends on to run.
Fill in the blank(s) with the appropriate word(s).
Answer the following statements true (T) or false (F)
1) A bind variable is declared with VARIABLE command command at the SQL> prompt. 2) A bind variable is declared with VARIABLE command command at the SQL> prompt. 3) A substitution variable is declared under DECLARE section of a PL/SQL block. 4) A bind variable is used in a PL/SQL block with a colon (:) prefix. 5) A local variable used in a PL/SQL block can be printed with PRINT command.