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Sep 20th, 2019
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  1. ##::CREATE INSERT::
  2. CREATE TABLE information(
  3.     id INT,
  4.     name VARCHAR(10),
  5.     dept VARCHAR(10),
  6.     phone VARCHAR(21),
  7.     PRIMARY KEY(id)
  8.    
  9. );
  10. :::INSERT:
  11. INSERT INTO information()
  12. VALUES('1','rakib','cse','01710'),
  13. ('2','bepul','ice','015'),
  14. ('3','laila','history','018');
  15. ##NOT::
  16. SELECT DISTINCT name ,id,dept
  17. FROM information
  18. WHERE NOT dept = 'cse';
  19. ##Min,MAX,avg,SUM,COUNT::
  20. SELECT name,MIN(price) AS smallPrice
  21. FROM product2
  22. SELECT name,MAX(price) AS bigPrice
  23. FROM product2
  24. SELECT name,SUM(price) AS sumPrice
  25. FROM product2
  26. SELECT name,AVG(price) AS AVGPrice
  27. FROM product2
  28. SELECT name,COUNT(id) AS Noid
  29. FROM product2
  30.  
  31. ##Order::
  32. SELECT name ,dept
  33. FROM information
  34. ORDER BY name;
  35. SELECT name ,dept
  36. FROM information
  37. ORDER BY name DESC;
  38.  
  39. ##Like::
  40. WHERE CustomerName LIKE 'a%'    Finds any VALUES that START WITH "a"
  41. WHERE CustomerName LIKE '%a'    Finds any VALUES that END WITH "a"
  42. WHERE CustomerName LIKE '%or%'  Finds any VALUES that have "or" IN any POSITION
  43. WHERE CustomerName LIKE '_r%'   Finds any VALUES that have "r" IN the SECOND POSITION
  44. WHERE CustomerName LIKE 'a__%'  Finds any VALUES that START WITH "a" AND are at least 3 characters IN LENGTH
  45. WHERE ContactName LIKE 'a%o'    Finds any VALUES that START WITH "a" AND ends WITH "o"
  46.  
  47.  
  48. ##In::
  49. SELECT name ,dept
  50. FROM information
  51. WHERE dept IN('cse','eng','ice');
  52.  
  53. ##Between::
  54. SELECT name,price AS fixedprice
  55. FROM product2
  56. WHERE price BETWEEN 50 AND 100;
  57.  
  58.  
  59.  
  60. ##Joins::
  61.  
  62. SELECT information.name,dept,product2.name,price
  63. FROM information,product2;
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