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Article #80

SQL statement

#80
From: Geovanny Navarro-Bustos
Date: Sat, 22 Apr 2000 00:00
19 lines
1178 bytes
Hi everyone

I need to know what the following SQL statement is doing:

Select name, nationality
From authoer
Where name is in
          (Select name
           From publication
           Where isbn is in
                    (Select isbn
                    From book
                    Where isbn <>9444
                    And year is in
                                    (Select year
                                        From book
                                        Where isbn = 9444)))

your help is appreciated....
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From: "Geovanny Navarro-Bustos" <geovanny@ozemail.com.au>
Subject: SQL statement
Date: 2000/04/22
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