Related Questions

An attribute A of datatype varchar(20) has the value “Avi”. The attribute B of datatype char(20) has value ”Reed”. Here attribute A has ____ spaces and attribute B has ____ spaces.
Read the following sentences and choose the correct option. (i) Variables can only take discrete values while Attributes can take continuous values. (ii) Variables can only take continuous values while Attributes take discrete value. (iii) Attributes and variables are dependent on each other. (iv) Width of an impeller blade is a variable but no. of defective blades in a lot is an attribute.
Which of the following statements are correct with the origin and development of values?
1. Values originate from human desires and interests.
2. Interaction between individuals in environment and situations originate values.
3. It is human being who originates values and protects it.
4. Attitude of an individual is based on values.
All attribute declarations begin with the keyword ____________ followed by the element name, attribute name, attribute type, and default data information.
In a given relationship R, if an attribute A uniquely defines all other attributes, then the attribute A is a key attribute which is also known as the _________ key.
Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:
The attribute name could be structured as an attribute consisting of first name, middle initial, and last name. This type of attribute is called
A derived attribute is an attribute whose values can be calculated from a related relationship.
For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.
If you know all the possible values that an attribute can have, you can enumerate those values in ODL.