In a PL/SQL block, a variable is declared as NUMBER without an initial value. What will its value be when it is first used in the executable section of the PL/SQL block?
Reveal answer
Fill a bubble to check yourself
Keep practicing — related questions
- Suppose in the declaration section of a PL/SQL block, you create but do not initialize a NUMBER variable. W...
- Suppose in the declaration section of a PL/SQL block, you create but do not initialize a NUMBER variable. W...
- Suppose in the declaration section of a PL/SQL block, you create but do not initialize a NUMBER variable. W...
- You are declaring a variable of data type NUMBER in a PL/SQL block. During the execution of the PL/SQL bloc...
- You are declaring a variable of data type NUMBER in a PL/SQL block. During the execution of the PL/SQL bloc...
- You create the following PL/SQL block: DECLARE var1 CONSTANT NUMBER := 50; var2 NUMBER := 0; BEGIN SELECT a...
- You create the following PL/SQL block: DECLARE var1 CONSTANT NUMBER := 50; var2 NUMBER := 0; BEGIN SELECT a...
- Which of the following blocks in PL/SQL contains executable statements that are executed when the program i...