Examlex
A relation is in 4NF if it is in BCNF and it has no multivalued dependencies.
Routine Replies
Standard or expected responses provided in return to common or frequently asked questions.
Professional Tone
A formal and courteous manner of communication used in business and professional settings.
Courteous Expression
The use of polite and considerate language to convey messages in a respectful manner.
Routine Request
A standard or regular query or demand made in a business or professional context, typically relating to operations or procedures.
Q1: The only reason(s)for having relations is to
Q17: The SQL keyword LIKE is used in
Q17: In relational database design,ID-dependent entities are used
Q24: The rows of the result table can
Q49: Twitter and Facebook use NoSQL databases.
Q52: A functional dependency is a relationship between
Q54: The WHERE clause contains the condition that
Q74: A compound identifier is an identifier consisting
Q76: To represent a one-to-many relationship in a
Q90: A data model is a plan for