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Also , it is only possible for the Postgres user or any user with read and modify permissions on pg_shadow to alter user passwords . Ebling is currently exploring ways to apply context-aware computing to enhance productivity in the workplace . He is developing a discrete-event simulation model to estimate the total cost of accomplishing NASA ’ s defined set of missions . World Summit on Sustainable Development during the IOM panel discussion on linkages between migration and sustainable developmentJohannesburg2 September 2002 Good morning , ladies and gentlemen . The database needed to play on the examples is named al_bundy . And also these view rules made problems because the rule system was n't able to apply them properly on other statements than a SELECT ( for example an UPDATE that used data from a view did n't work ) . The challenge was to apply innovative street-design techniques to create a more livable and safe community with well-designed sidewalks and street trees . If you are not a member of a partner society , you may be asked to apply for membership . If after 10 iterations there are still update rules to apply the rule system assumes a loop over multiple rule definitions and aborts the transaction . Increased aid , debt relief and greater market access all have their part to play in this respect .