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Categories of Java HotSpot VM Options
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System.out.println(2|0); //0010 0000 =>0010 = 2
System.out.println(2|1); //0010 0001 =>0011 = 3
System.out.println(3|2); //0011 0010 =>0011 = 3
System.out.println(3&2); //0011 0010 =>0010 = 2
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create or replace procedure updateProject is
begin
update project p set p.total_intend_gather =
(select sum(ig.gather_sum) from intend_gather ig where ig.project_number=p.project_number);
up ......
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