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MySQL: Functions

2022-07-27 17:25:00 【51CTO】

       
       DELIMITER $$
       
CREATE FUNCTION ​​qiuhe​​​()
       
 RETURNS int(11)
       
 begin
       
 declare sum int default 0;
       
 declare i int default 1;
       
 while i<100 do
       
 set sum=sum+i;
       
 set i=i+1;
       
 end while;
       
 return sum;
       
 end// select qiuhe() as tju; function
       
 //call qiuhe5(100) procedure
      
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