SQL

2,967 topics in this forum

1. SQL Tutorial and Reference

   By kaijim, September 28, 2005
   • 3 replies
   • 80.6k views
   • 
   • warend2
   • December 4, 2013

2. Select from a menu a listing from a database?

   By phpuserlogin, yesterday at 06:39 PM
   • 0 replies
   • 11 views
   • 
   • phpuserlogin
   • Yesterday at 06:39 PM

3. I don't understand this correlated subquery

   By david1972, November 23, 2022
   • 0 replies
   • 659 views
   • 
   • david1972
   • November 23, 2022

4. Order Value per Region

   By yrstruly, November 3, 2022
   • 0 replies
   • 242 views
   • 
   • yrstruly
   • November 3, 2022

5. Cannot update. Database or object is read-only.

   By Dimos, October 2, 2022
   • 0 replies
   • 252 views
   • 
   • Dimos
   • October 2, 2022

6. Structure of a database with shared items

   By Arbu, August 3, 2022
   • 0 replies
   • 413 views
   • 
   • Arbu
   • August 3, 2022

7. How do you select the first row of a table?

   By gregaryb, August 1, 2022
   • 1 reply
   • 245 views
   • 
   • Ingolme
   • August 1, 2022

8. Missing Data(finding the root problem)

   By yrstruly, August 1, 2022
   • 0 replies
   • 184 views
   • 
   • yrstruly
   • August 1, 2022

9. Erro 1146

   By mostafa_dadgar, July 5, 2022
   • 0 replies
   • 274 views
   • 
   • mostafa_dadgar
   • July 5, 2022

10. What does these codelines mean?

    By rootKID, May 26, 2022
    • 0 replies
    • 363 views
    • 
    • rootKID
    • May 26, 2022

11. Help with Mysql and PHP

    By Matthew Payton, May 12, 2022
    • 0 replies
    • 333 views
    • 
    • Matthew Payton
    • May 12, 2022

12. Deleting duplicates after joining two tables

    By Ashu96, February 9, 2022   

    • self join
    • delete
    • (and 1 more)

      Tagged with:

      • self join
      • delete
      • duplicates
    • 3 replies
    • 760 views
    • 
    • Ashu96
    • February 12, 2022

13. Seeking help to write a basic query

    By koralt, January 23, 2022
    • 0 replies
    • 407 views
    • 
    • koralt
    • January 23, 2022

14. sql Create $_SESSION vars from a SQL database table ie. $_SESSION[table_column_name] = table_column_1_row_value for any database table

    By Ralph, December 16, 2021   

    • column name
    • column value
    • 0 replies
    • 404 views
    • 
    • Ralph
    • December 16, 2021

15. Use of not with select statement

    By Bishal Chapagain, December 4, 2021
    • 2 replies
    • 366 views
    • 
    • niche
    • December 4, 2021

16. Create SP to Import JSON

    By David Craven, November 23, 2021   

    • sql
    • 1 reply
    • 456 views
    • 
    • David Craven
    • November 23, 2021

17. MySQL query help

    By Tauheed, November 16, 2021   

    • mysql
    • sql
    • (and 3 more)

      Tagged with:

      • mysql
      • sql
      • query
      • inner joins
      • count
    • 3 replies
    • 377 views
    • 
    • niche
    • November 18, 2021

18. PopSQL - connecting to server

    By Truman, November 9, 2021
    • 2 replies
    • 468 views
    • 
    • Truman
    • November 14, 2021

19. Showing INDEX on w3schools site

    By jmckeon, November 5, 2021
    • 1 reply
    • 343 views
    • 
    • niche
    • November 5, 2021

20. Wow to use sql to check if there's any value is null

    By Patty_Tu, October 18, 2021   

    • sql
    • null
    • (and 1 more)

      Tagged with:

      • sql
      • null
      • syntax question
    • 4 replies
    • 440 views
    • 
    • Patty_Tu
    • October 19, 2021

21. Questions about the usage of DISTINCT and NOT syntax

    By Patty_Tu, October 15, 2021   

    • sql
    • syntax question
    • (and 2 more)

      Tagged with:

      • sql
      • syntax question
      • distinct
      • not
    • 2 replies
    • 440 views
    • 
    • Patty_Tu
    • October 18, 2021

22. Automated(View or Stored Prosedure)

    By yrstruly, October 2, 2021   

    • view
    • stored procedure
    • 0 replies
    • 430 views
    • 
    • yrstruly
    • October 2, 2021

23. Help creating a query - SQL

    By Antra, September 26, 2021
    • 1 reply
    • 460 views
    • 
    • niche
    • September 26, 2021

24. Help creating a query

    By RicardoBett, September 15, 2021
    • 4 replies
    • 448 views
    • 
    • RicardoBett
    • September 16, 2021

25. conditional add clause

    By jimfog, September 7, 2021
    • 2 replies
    • 461 views
    • 
    • jimfog
    • September 12, 2021