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 “order by rand() limit 1” SQL statement ?

    Richard To, Aug 6, 2020
    Replies:
    0
    Views:
    2,597
    Richard To
    Aug 6, 2020
  2. Richard To

    How to tune “Order by Limit N” SQL statement?

    Richard To, Aug 17, 2020
    Replies:
    0
    Views:
    2,355
    Richard To
    Aug 17, 2020
  3. Richard To

    How to tune Substr(emp_name,x,y) SQL statement?

    Richard To, Aug 24, 2020
    Replies:
    0
    Views:
    2,299
    Richard To
    Aug 24, 2020
  4. Richard To

    How to Tune SQL with LIKE '%Mary%' Comparison?

    Richard To, Aug 31, 2020
    Replies:
    0
    Views:
    2,203
    Richard To
    Aug 31, 2020
  5. Richard To

    How to Tune SQL with COUNT(*) statements ?

    Richard To, Sep 7, 2020
    Replies:
    0
    Views:
    2,295
    Richard To
    Sep 7, 2020
  6. Richard To

    How to Tune SQL with OR statements?

    Richard To, Sep 14, 2020
    Replies:
    0
    Views:
    2,335
    Richard To
    Sep 14, 2020
  7. Richard To

    How to Tune CTE “WITH” SQL statement?

    Richard To, Sep 21, 2020
    Replies:
    0
    Views:
    2,245
    Richard To
    Sep 21, 2020
  8. Richard To

    How to Tune “Not Exists” SQL statement?

    Richard To, Sep 29, 2020
    Replies:
    0
    Views:
    2,187
    Richard To
    Sep 29, 2020
  9. Richard To

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

    Richard To, Oct 5, 2020
    Replies:
    0
    Views:
    2,509
    Richard To
    Oct 5, 2020
  10. Richard To

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

    Richard To, Oct 22, 2020
    Replies:
    0
    Views:
    3,051
    Richard To
    Oct 22, 2020
  11. Richard To

    How to Tune SQL with “Group By” statement?

    Richard To, Nov 10, 2020
    Replies:
    0
    Views:
    2,431
    Richard To
    Nov 10, 2020
  12. Richard To

    How to Tune Delete SQL statement with subqueries for MySQL?

    Richard To, Nov 23, 2020
    Replies:
    0
    Views:
    2,396
    Richard To
    Nov 23, 2020
  13. kost36

    Group_concat into group_concat with two different separators

    kost36, Nov 17, 2020
    Replies:
    3
    Views:
    2,883
    Richard To
    Nov 26, 2020
  14. Richard To

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

    Richard To, Nov 30, 2020
    Replies:
    0
    Views:
    2,916
    Richard To
    Nov 30, 2020
  15. Richard To

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

    Richard To, Dec 10, 2020
    Replies:
    0
    Views:
    2,957
    Richard To
    Dec 10, 2020
  16. Richard To

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

    Richard To, Jan 4, 2021
    Replies:
    0
    Views:
    3,190
    Richard To
    Jan 4, 2021
  17. Richard To

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

    Richard To, Jan 22, 2021
    Replies:
    0
    Views:
    3,092
    Richard To
    Jan 22, 2021
  18. Richard To

    How to Tune SQL Statements with CONCAT Operator for MySQL?

    Richard To, Feb 19, 2021
    Replies:
    0
    Views:
    3,278
    Richard To
    Feb 19, 2021
  19. Richard To

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

    Richard To, May 19, 2021
    Replies:
    0
    Views:
    2,716
    Richard To
    May 19, 2021
  20. Richard To

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

    Richard To, Jun 29, 2021
    Replies:
    0
    Views:
    2,556
    Richard To
    Jun 29, 2021
Showing threads 21 to 40 of 48

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