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SQL Basics Questions and Answers

9. The primary key is selected from the
 
  • A. Composite keys
  • B. Candidate keys
  • C. Foreign keys
  • D. Determinants
 
10. SQL data definition commands make up a(n)
 
  • A. DML
  • B. DDL
  • C. XML
  • D. HTML
 
 
11. In the _______ normal form, a composite attribute is converted to individual attributes.
 
  • A. 1st
  • B. 2nd
  • C. 3nd
  • D. 4nd
 
12. The SQL keywords(s) _____ is used with wildcards.
 
  • A. LIKE only
  • B. IN only
  • C. NOTIN only
  • D. IN and NOT IN