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comparison and logical
create table student(id integer,name varchar(30),marks integer,primary key(id)); insert into student values(1,'abc',80),(2,'xyz',50),(3,'mpj',45); select * from student; select id,marks from student where marks<=50 and marks>35; select id,marks from student where marks=90 or marks=80; select id,marks from student where marks<>50 ;
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SO 51804194 : sql-recursive-cte-replace-statement-too-slow
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Test Link samll Data
find count of employees with salary more than their managers
mySQL_Glx_12dec
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Gatoactual
MyDb
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