logo
  • About us
  • Services
  • Products
  • Work
  • Contact

Feedback

In Focus

  • Flash XML slideshow
  • Database training

1.2.07. Sequences of operations

  • Select followed by projection
  • Area clipping: rows then columns
  • p<attr list>
    (    s(select_cond)(R))
  • Rename operation (r)
    • Renames attributes list2 from list1
    • r(new_attr_names)(R)

Select, Project and composite abstract operations

‹ 1.2.07. Project operationup1.2.08. Rename operation ›
  • s5 slideshow
 

 

 

Copyright 2007 Lightenna Limited

  • About us
  • Services
  • Products
  • Work
  • Contact