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18.1 Table columns can be added changed or deleted


I'm a bit surprised with the statement saying that data is stored in fixed length tables. And columns can be added changed or deleted.
Maybe i'm misunderstanding but i thought that columns were "fixed" and that rows are added, changed & deleted


  • lee42x
    lee42x Posts: 380

    Yes you can add columns with the alter table statement. Normally we just add rows of data, but we can make changes to the table structure.


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