Rank()this function assigns a rowid to each row returned by the sql query fired. it providesdistinct row id to distinct values, similar values have similar row id, the next row id is calculated ...

Row_number()rank()dense_rank()all of these three functions are used to calculate the id of row but in different way.i am using the below script for examplescreate table marks ... 70 is assigned the ...

The MySQL DENSE_RANK Function is used to return sequential numbers starting from 1 based on the ordering of rows imposed by the ORDER BY clause. When you have two records with the same data, then it ...

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