Question
DBMS Which of the following is equivalent to the semi-join expression: S R? a. S R b. R S c. R S d. None of
DBMS
Which of the following is equivalent to the semi-join expression: S R?
| a. | S R | |
| b. | R S | |
| c. | R S | |
| d. | None of them. |
Which of the following is equivalent to the semi-join expression: R S?
| a. | S R | |
| b. | S R | |
| c. | R S | |
| d. | None of them. |
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Semantics Of A Networked World Semantics For Grid Databases First International Ifip Conference Icsnw 2004 Paris France June 2004 Revised Selected Papers Lncs 3226
Authors: Mokrane Bouzeghoub ,Carole Goble ,Vipul Kashyap ,Stefano Spaccapietra
2004 Edition
3540236090, 978-3540236092
