| 1) |
If a variable is declared as follows, what are the results?v_fixed_amount CONSTANT NUMBER;
_____ A NUMBER variable called v_fixed_amount has been declared (it will remain as a constant once initialized). _____ A NUMBER variable called v_fixed_amount has been declared (it will remain as null). _____ An error message will result because constant initialization must be done in the executable section of the block. _____ An error message will result because the declaration for the CONSTANT is missing an assignment to a NUMBER. |
| 2) |
Which of the following are valid character types for PL/SQL?_____ Numbers _____ English letters _____ Paragraph returns _____ Arithmetic symbols _____ Japanese Kanji |
| 3) |
A variable may be used for which of the following?_____ To hold a constant, such as the value of p _____ To hold the value of a counter that keeps changing _____ To place a value that will be inserted into the database _____ To hold onto the function of an operand _____ To hold any value as long as you declare it |
| 4) |
Which of the following will declare a variable that is of the identical data type as the student_id in the database table STUDENT in the CTA database?_____ v_id student_id := 123; _____ v_id binary integer; _____ v_id numberNUMBER := 24; _____ v_id student_id%type; |
| 5) |
The value of a variable is set to null after the 'end;' of the block is issued._____ True _____ False |
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