[MySQL] Advanced Level List

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  1. COUNT WHERE ORDERBY
  2. UNION
  3. EXTRACTING A SUBSTRING
    • MID LEFT RIGHT SUBSTR
  4. TRIM(LEADING TRAILING BOTH)
  5. UPPER LOWER
  6. HAVING COUNT GROUP BY
  7. CONCAT
  8. EXTRACTNG DATE
    • YEAR MONTH DAY
    • WEEK QUARTER
    • WEEKDAY
    • MONTHNAME, DAYNAME
    • SUBDATE
    • SUBTIME
  9. NOW
  10. CAST
  11. CONVERT
  12. IF STATEMENT
  13. PIVOT TABLE
    • CASE WHEN THEN ELSE END
  14. WINDOW FUNCTION
    • SUM
    • SUM OVER
    • RANK vs ROW_NUMBER
    • DENSE_RANK
    • NTILE OVER
    • CTE
    • LAG
    • LEAD