Browsing by Subject "SQL"

Now showing items 1-2 of 2

    • MXML Storage and the Problem of Manipulation of Context 

      Φουστέρης, Νικόλαος; Γεργατσούλης, Μανώλης; Σταύρακας, Γιάννης; Fousteris, Nikolaos; Gergatsoulis, Manolis; Stavrakas, Yannis (2011)
      The problem of storing and querying XML data using relational databases has been considered a lot and many techniques have been developed. MXML is an extension of XML suitable for represent- ing data that assume different ...

    • View selection for real conjunctive queries 

      Αφράτη, Φώτο; Γεργατσούλης, Μανώλης; Παυλάκη, Βάσια; Chirkova, Rada; Afrati, Foto; Gergatsoulis, Manolis; Pavlaki, Vassia (2007)
      Given a query workload, a database and a set of constraints, the view-selection problem is to select views to materialize so that the constraints are satisfied and the views can be used to compute the queries in the workload ...