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SQL

Issues related to SQL

2,975 topics in this forum

  1. SQL Tutorial and Reference

    By kaijim,
    • 3 replies
    • 81.1k views

  2. STRPOS not working per W3S documentation

    By mickeymouse,
    • 1 reply
    • 303 views

  3. Delete not working

    By mickeymouse,
    • 1 reply
    • 126 views

  4. Error in mySQL editor on W3school site, is it just me?

    By KYC,
    • 1 reply
    • 264 views

  5. PHP vs sqlite3 login error

    By Chikwado,
    • 0 replies
    • 278 views

  6. The SQL TryIt Editor no longer works for write operations on Chrome or Edge.

    By John McGarvey,
    • 1 reply
    • 667 views

  7. Subquery to get value from one table based on another table

    By ShadowMage,
    • 0 replies
    • 318 views

  8. How do you include ' character in the column data an INSERT SQL query string?

    By gregaryb,
    • 0 replies
    • 259 views

  9. WebSQL on iPhone iOS 15 or 16?

    By tbubah,
    • 0 replies
    • 425 views

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

    By phpuserlogin,
    • 4 replies
    • 743 views

  11. I don't understand this correlated subquery

    By david1972,
    • 0 replies
    • 1.2k views

  12. Order Value per Region

    By yrstruly,
    • 0 replies
    • 649 views

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

    By Dimos,
    • 0 replies
    • 678 views

  14. Structure of a database with shared items

    By Arbu,
    • 0 replies
    • 815 views

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

    By gregaryb,
    • 2 replies
    • 672 views

  16. Missing Data(finding the root problem)

    By yrstruly,
    • 0 replies
    • 563 views

  17. Erro 1146

    By mostafa_dadgar,
    • 0 replies
    • 645 views

  18. What does these codelines mean?

    By rootKID,
    • 0 replies
    • 735 views

  19. Help with Mysql and PHP

    By Matthew Payton,
    • 0 replies
    • 690 views

  20. Deleting duplicates after joining two tables

    By Ashu96,   
    • 3 replies
    • 1.7k views

  21. Seeking help to write a basic query

    By koralt,
    • 0 replies
    • 811 views

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

    By Ralph,   
    • 0 replies
    • 779 views

  23. Use of not with select statement

    By Bishal Chapagain,
    • 2 replies
    • 776 views

  24. Create SP to Import JSON

    By David Craven,   
    • 1 reply
    • 872 views

  25. MySQL query help

    By Tauheed,   
    • 3 replies
    • 749 views
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