MySQL

Comprehensive MySQL Tutorials with examples along with fine tuning tips and tricks for your MySQL Database Server

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  1. Richard To

    How to Tune SQL Statement with LCASE function on index field?

    Richard To, Aug 18, 2022
    Replies:
    0
    Views:
    741
    Richard To
    Aug 18, 2022
  2. Richard To

    How to use FORCE INDEX Hints to tune an UPDATE SQL statement?

    Richard To, Feb 7, 2022
    Replies:
    0
    Views:
    1,688
    Richard To
    Feb 7, 2022
  3. kost36

    Order by date doesn't work

    kost36, Dec 28, 2021
    Replies:
    0
    Views:
    1,489
    kost36
    Dec 28, 2021
  4. montyonthebonty

    Struggling with MySQL Queries

    montyonthebonty, Dec 13, 2021
    Replies:
    1
    Views:
    1,657
    montyonthebonty
    Dec 13, 2021
  5. Mikkel Kjærgaard

    How to get rows with lowest value from a group by?

    Mikkel Kjærgaard, Nov 1, 2021
    Replies:
    1
    Views:
    1,772
    Richard To
    Dec 1, 2021
  6. Richard To

    How to Tune SQL Statements with NO_RANGE_OPTIMIZATION Injection?

    Richard To, Oct 8, 2021
    Replies:
    0
    Views:
    1,598
    Richard To
    Oct 8, 2021
  7. Richard To

    How to Tune SQL Statements with Rewrite and Hints Injection for MySQL?

    Richard To, Jun 29, 2021
    Replies:
    0
    Views:
    1,469
    Richard To
    Jun 29, 2021
  8. Richard To

    How to Tune SQL Statements to Run SLOWER… but Make Users Feel BETTER (MySQL)?

    Richard To, May 19, 2021
    Replies:
    0
    Views:
    1,794
    Richard To
    May 19, 2021
  9. Richard To

    How to Tune SQL Statements with CONCAT Operator for MySQL?

    Richard To, Feb 19, 2021
    Replies:
    0
    Views:
    2,220
    Richard To
    Feb 19, 2021
  10. Richard To

    How to Tune SQL statement with Transitive Dependency Improvement for MySQL?

    Richard To, Jan 22, 2021
    Replies:
    0
    Views:
    2,115
    Richard To
    Jan 22, 2021
  11. Richard To

    How to Tune SQL Statement with Driving Path Control for MySQL?

    Richard To, Jan 4, 2021
    Replies:
    0
    Views:
    2,169
    Richard To
    Jan 4, 2021
  12. Richard To

    How to Tune SQL Statement with IN List Bind Variables for MySQL?

    Richard To, Dec 10, 2020
    Replies:
    0
    Views:
    1,941
    Richard To
    Dec 10, 2020
  13. Richard To

    How to Tune SQL Statement with Multiple Union in Subquery for MySQL?

    Richard To, Nov 30, 2020
    Replies:
    0
    Views:
    1,934
    Richard To
    Nov 30, 2020
  14. kost36

    Group_concat into group_concat with two different separators

    kost36, Nov 17, 2020
    Replies:
    3
    Views:
    1,798
    Richard To
    Nov 26, 2020
  15. Richard To

    How to Tune Delete SQL statement with subqueries for MySQL?

    Richard To, Nov 23, 2020
    Replies:
    0
    Views:
    1,361
    Richard To
    Nov 23, 2020
  16. Richard To

    How to Tune SQL with “Group By” statement?

    Richard To, Nov 10, 2020
    Replies:
    0
    Views:
    1,361
    Richard To
    Nov 10, 2020
  17. Richard To

    How to Tune MySQL UPDATE SQL statement with IN subquery II?

    Richard To, Oct 22, 2020
    Replies:
    0
    Views:
    1,584
    Richard To
    Oct 22, 2020
  18. Richard To

    How to Tune UPDATE SQL statement with IN subquery (I) ?

    Richard To, Oct 5, 2020
    Replies:
    0
    Views:
    1,465
    Richard To
    Oct 5, 2020
  19. Richard To

    How to Tune “Not Exists” SQL statement?

    Richard To, Sep 29, 2020
    Replies:
    0
    Views:
    1,366
    Richard To
    Sep 29, 2020
  20. Richard To

    How to Tune CTE “WITH” SQL statement?

    Richard To, Sep 21, 2020
    Replies:
    0
    Views:
    1,416
    Richard To
    Sep 21, 2020
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