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 LiveInternet.ru:
: 16.03.2006
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SQL ?

, 19 2017 . 10:27 +
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- :
Create table ( 
      Type varchar(4),.      --    "re"   "di"
      Folder_id   INTEGER,.     --  ,       
      Parent_id. INTEGER,.     --   Folder_id         .
      FileName.   Varchar (255) )


, : SQL , readme.txt ?
 SELECT Folder_id, FileName from catalogue
Where FileName="readme" and folder_id in (SELECT folder_id from catalogue);


,
..

http://www.sql.ru/forum/1257574/vozmozhny-li-v-sql-rekursivnye-zaprosy


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