Wednesday, February 12, 2020

CONCAT()

  1. SELECT author_fname, author_lname FROM books;
  2.  
  3. CONCAT(x,y,z) // from slides
  4.  
  5. CONCAT(column, anotherColumn) // from slides
  6.  
  7. CONCAT(author_fname, author_lname)
  8.  
  9. CONCAT(column, 'text', anotherColumn, 'more text')
  10.  
  11. CONCAT(author_fname, ' ', author_lname)
  12.  
  13. CONCAT(author_fname, author_lname); // invalid syntax
  14.  
  15. SELECT CONCAT('Hello', 'World');
  16.  
  17. SELECT CONCAT('Hello', '...', 'World');
  18.  
  19. SELECT
  20. CONCAT(author_fname, ' ', author_lname)
  21. FROM books;
  22.  
  23. SELECT
  24. CONCAT(author_fname, ' ', author_lname)
  25. AS 'full name'
  26. FROM books;
  27.  
  28. SELECT author_fname AS first, author_lname AS last,
  29. CONCAT(author_fname, ' ', author_lname) AS full
  30. FROM books;
  31.  
  32. SELECT author_fname AS first, author_lname AS last,
  33. CONCAT(author_fname, ', ', author_lname) AS full
  34. FROM books;
  35.  
  36. SELECT CONCAT(title, '-', author_fname, '-', author_lname) FROM books;
  37.  
  38. SELECT
  39. CONCAT_WS(' - ', title, author_fname, author_lname)
  40. FROM books;

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