calculate fraction by oracle

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QUESTION:When you meet calculate fraction in oracle

SOLUTION:

1.Check out their values respectively. the use sign of division.

select  count(1) from emp where empno=7369;

select count(1) from emp ;

2.Fusion use  a command by dual table.

select  (select count(1) from emp where empno=7369)/(select count(1) from emp)  from dual;

calculate fraction by oracle

标签：solution   acl   check   out   cti   style   value   strong   from   

原文地址：http://www.cnblogs.com/yjhlsbnf/p/7828373.html