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lena-my

atelier sql

lena-my
Jul 12th, 2024
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  1. create DATABASE kaamelott;
  2.  
  3. use kaamelott;
  4. CREATE TABLE knight
  5. (
  6. id INT PRIMARY KEY IDENTITY(1,1),
  7. name VARCHAR(80) NOT NULL,
  8. age INT NOT NULL
  9. );
  10.  
  11. INSERT INTO knight (name, age)
  12. VALUES ('Arthur', 40);
  13.  
  14.  
  15. INSERT INTO knight (name, age)
  16. VALUES ('Perceval', 35);
  17.  
  18. INSERT INTO knight (name, age)
  19. VALUES ('Lancelot', 38);
  20.  
  21. SELECT * FROM knight;
  22.  
  23. UPDATE knight
  24. SET age = 36
  25. WHERE id = 2;
  26.  
  27.  
  28. SELECT *
  29. FROM knight
  30. WHERE age > 37;
  31.  
  32.  
  33. ALTER TABLE knight
  34. ADD is_dubbed TINYINT;
  35.  
  36.  
  37. UPDATE knight
  38. SET is_dubbed = 1;
  39.  
  40.  
  41. UPDATE knight
  42. SET is_dubbed = 0
  43. where id = 2;
  44.  
  45.  
  46. DELETE FROM knight
  47. WHERE name = 'Lancelot';
  48.  
  49. TRUNCATE TABLE knight;
  50.  
  51. DROP TABLE knight;
  52.  
  53. CREATE TABLE weapon
  54. (
  55. id INT PRIMARY KEY IDENTITY(1,1),
  56. name VARCHAR(50) NOT NULL,
  57. );
  58.  
  59.  
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