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And successive generations of Americans select ever-broader technically oriented academic pursuits . Finally , if the rule is not INSTEAD , the unchanged original parsetree is added to the list . Each backend will allocate " cache " successive sequence values during one access to the sequence object and increase the sequence object 's last_value accordingly . NOTIFY behaves like Unix signals in one important respect : if the same condition name is signaled multiple times in quick succession , recipients may get only one notify event for several executions of NOTIFY . The projects are located in the eastern and southern regions of Sri Lanka and will need assistance in water supply , sanitation , structure , energy , and rainwater management . DeWitt created the Space-Based Radar software engineering team , led the authoring of the Software Acquisition Master Plan , established programmatic software risk plans , and is the contracting officer 's technical representative for all software issues to both prime system contractors . NOTIFY interacts with SQL transactions in some important ways .