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Forum: Ask an Expert

Ask our SQL experts the tough questions that have you stumped. Members are limited to one question a week, so ask your questions wisely!

  1. Question : is this ERD 3NF or better?

    Started by luci, 12-31-2023 04:46 AM
    design, normalisation, normalization, sql server
    • Replies: 2
    • Views: 19,770
    luci
    12-31-2023, 04:50 AM Go to last post

  2. Detecting hierarchical errors

    Started by Sam Hobbs, 06-10-2023 05:21 PM
    • Replies: 1
    • Views: 13,220
    Steve R Jones
    06-11-2023, 02:11 AM Go to last post

  3. TJX used database

    Started by Rosen199, 02-28-2022 08:45 AM
    • Replies: 1
    • Views: 13,600
    Steve R Jones
    03-01-2022, 03:22 AM Go to last post

  4. Divide by zero error encountered

    Started by Sjac, 02-18-2022 01:05 PM
    sql query help, sql query subquery
    • Replies: 2
    • Views: 10,396
    Sjac
    02-21-2022, 03:32 PM Go to last post

  5. Problem with Normalizing a many to many

    Started by h1ghstrung, 10-13-2021 11:06 AM
    normalization 1 Attachment(s)
    • Replies: 3
    • Views: 12,729
    June7
    10-19-2021, 07:50 PM Go to last post

  6. Recommendation for Small Operation

    Started by ckunert, 09-28-2021 01:29 PM
    • Replies: 2
    • Views: 10,153
    June7
    09-29-2021, 09:36 AM Go to last post

  7. SQL Help--Iterating Data within in the Query

    Started by v4varun, 09-10-2021 09:32 PM
    1 Attachment(s)
    • Replies: 1
    • Views: 10,843
    skhanal
    09-13-2021, 09:50 AM Go to last post

  8. What kind of database uses this file is this in my User App Roaming Folder

    Started by SPROC, 07-22-2021 01:02 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 15,928
    SPROC
    07-26-2021, 07:55 PM Go to last post

  9. Two tables joined but need help getting one row pulled into query

    Started by common763, 06-30-2021 09:01 AM
    • Replies: 2
    • Views: 11,138
    common763
    06-30-2021, 02:16 PM Go to last post

  10. Database design and normalization homework issue

    Started by TheAnonyMoose, 08-06-2018 03:18 PM
    1 Attachment(s)
    • Replies: 1
    • Views: 36,744
    ErwinSmout
    12-08-2020, 12:50 PM Go to last post

  11. How to Normalize A Table Which Has A Foreign Key

    Started by Mystheman, 12-03-2020 10:41 AM
    • Replies: 1
    • Views: 15,151
    ErwinSmout
    12-08-2020, 12:03 PM Go to last post

  12. ITERSECT and EXCEPT

    Started by bananarama, 07-30-2020 05:08 AM
    • Replies: 0
    • Views: 27,389
    bananarama
    07-30-2020, 05:08 AM Go to last post

  13. SQL Query retrieving data where one key field may be null

    Started by SamGardner, 04-01-2020 05:01 PM
    join, sql query help, sub query
    • Replies: 0
    • Views: 25,434
    SamGardner
    04-01-2020, 05:01 PM Go to last post

  14. Time difference between rows in same column

    Started by Iggy_Pop, 10-17-2005 08:16 PM
    2 Pages •
    1 2
    • Replies: 15
    • Views: 80,319
    RobG
    03-14-2020, 11:37 AM Go to last post

  15. Choosing DB solution for a Team without any IT knowledge

    Started by DKOG, 01-13-2020 03:48 AM
    excel, sql server 1 Attachment(s)
    • Replies: 2
    • Views: 25,261
    bhupendrachoudh
    01-29-2020, 02:18 AM Go to last post

  16. Help with a 3NF Normalization

    Started by canejuice268, 11-27-2019 05:34 AM
    1 Attachment(s)
    • Replies: 1
    • Views: 23,484
    skhanal
    12-03-2019, 11:10 AM Go to last post

  17. Post 4 years of experience in programming but never touched databases

    Started by Beyond Humanity, 05-20-2019 06:15 PM
    • Replies: 1
    • Views: 21,675
    SpywareDr
    05-21-2019, 07:55 AM Go to last post

  18. Question from a noobe about DB Aplications

    Started by KLC, 05-08-2019 10:50 AM
    • Replies: 0
    • Views: 20,186
    KLC
    05-08-2019, 10:50 AM Go to last post

  19. Angry Help with Database question

    Started by toxicgame, 03-14-2019 06:34 PM
    1 Attachment(s)
    • Replies: 1
    • Views: 18,514
    toxicgame
    03-14-2019, 06:45 PM Go to last post

  20. Question Database backup and recovery comparison

    Started by Krusell, 11-05-2018 12:24 PM
    • Replies: 1
    • Views: 18,970
    skhanal
    11-06-2018, 10:57 AM Go to last post

  21. Question How to search songs_words table for songs that contain a group of words?

    Started by Davis8988, 11-27-2017 05:45 PM
    query, sql 1 Attachment(s)
    • Replies: 0
    • Views: 41,490
    Davis8988
    11-27-2017, 05:45 PM Go to last post

  22. CREATE TABLE From oldName to newName

    Started by JayGBardo, 03-13-2017 12:02 PM
    • Replies: 1
    • Views: 44,810
    JayGBardo
    03-13-2017, 01:17 PM Go to last post

  23. Performance issues when ordering by subquery row count

    Started by ibcomputing, 01-04-2017 04:40 AM
    • Replies: 1
    • Views: 25,513
    ibcomputing
    01-06-2017, 04:57 AM Go to last post

  24. Database (Sqlite) with bulk prices, query

    Started by dbenthusiast, 11-12-2016 03:50 PM
    sqlite
    • Replies: 0
    • Views: 23,679
    dbenthusiast
    11-12-2016, 03:50 PM Go to last post

  25. Combining similar columns from multiple tables

    Started by drsprogrammer, 02-05-2016 12:00 PM
    • Replies: 1
    • Views: 45,738
    rmiao
    02-06-2016, 07:59 PM Go to last post

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