May an attribute have no value?

1. Can an attribute be empty?
2. Which is the only attribute that has no value attached to it?
3. Can XML attributes be empty?
4. Are the attributes of values?
5. What is an attribute in CSS?
6. Can key attributes not have NULL values?
7. What is attribute example?
8. Is class an attribute?
9. Which attribute is used for favicon?
10. How can we make attributes have multiple values in XML?
11. What are the XML attributes?
12. Can attribute have multiple values in XML?

Can an attribute be empty?

For these occasions, you can define the attribute so that it can contain null values. ... The DBMS treats the null value as an actual value, not as a zero value, a blank, or an empty string. Just as some attributes should be allowed to contain null values, other attributes should not contain null values.

Which is the only attribute that has no value attached to it?

An attribute has a value that indicates nothingness (null) An attribute exists but has no value (empty)

Can XML attributes be empty?

An element with no content is said to be empty. The two forms produce identical results in XML software (Readers, Parsers, Browsers). Empty elements can have attributes.

Are the attributes of values?

The values are the attributes possessed by an individual and thought desirable. Values are similar to attitudes but are more permanent and well built in nature. A value may be defined as a “concept of the desirable, an internalized criterion or standard of evaluation a person possesses.

What is an attribute in CSS?

The CSS attribute selector matches elements based on the presence or value of a given attribute.

Can key attributes not have NULL values?

The DBMS treats the null value as an actual value, not as a zero value, a blank, or an empty string. Just as some attributes should be allowed to contain null values, other attributes should not contain null values.

What is attribute example?

An attribute is defined as a quality or characteristic of a person, place, or thing. Real life individuals and fictional characters possess various attributes. For example, someone might be labeled beautiful, charming, funny, or intelligent.

Is class an attribute?

Class in html:

The class is an attribute which specifies one or more class names for an HTML element. ... The class name can be used by CSS and JavaScript to perform certain tasks for elements with the specified class name.

Which attribute is used for favicon?

In our case, we have recommend that authors use the value "icon" and a profile that explains that "when we say icon, we mean 'this is a favicon. '" In Method 1 above, we use the rel attribute with the LINK element and choose a profile with the profile attribute on the HEAD element.

How can we make attributes have multiple values in XML?

Attribute Element (Handling Multiple Values)

1. use a “primitive attribute” and append, with a separator character, the multiple values into one string, or.
2. use the FME attribute list, or.
3. retain one attribute value out of the multiple values.

What are the XML attributes?

Attributes are part of XML elements. ... Attribute gives more information about XML elements. To be more precise, they define properties of elements. An XML attribute is always a name-value pair.

Can attribute have multiple values in XML?

Avoid XML Attributes? ... attributes cannot contain multiple values (elements can) attributes cannot contain tree structures (elements can) attributes are not easily expandable (for future changes)