Sunday, February 23, 2020

Logical: AND &&

  1. SELECT title, author_lname, released_year FROM books
  2. WHERE author_lname='Eggers';
  3.  
  4. SELECT title, author_lname, released_year FROM books
  5. WHERE released_year > 2010;
  6.  
  7. SELECT
  8. title,
  9. author_lname,
  10. released_year FROM books
  11. WHERE author_lname='Eggers'
  12. AND released_year > 2010;
  13.  
  14. SELECT 1 < 5 && 7 = 9;
  15. -- false
  16.  
  17. SELECT -10 > -20 && 0 <= 0;
  18. -- true
  19.  
  20. SELECT -40 <= 0 AND 10 > 40;
  21. --false
  22.  
  23. SELECT 54 <= 54 && 'a' = 'A';
  24. -- true
  25.  
  26. SELECT *
  27. FROM books
  28. WHERE author_lname='Eggers'
  29. AND released_year > 2010
  30. AND title LIKE '%novel%';

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