Question

An attribute A of datatype varchar(20) has the value "Amit" The attribute B of datatype char(20) has value "Karanita".

Answer 1

Answer:

Total will be 20+20 =40

Explanation:

Datatypes are used to determine the nature of the variable .

When we specify that a variable has a certain datatype we say what values the expression may have .

The datatypes are :

• Byte .
• Short .
• Char .
• Int .
• Float .
• Long .
• Double .
• Boolean .
• String .