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Thursday, 27 November 2014

What is Row_Number, CTE , Rank() and Dense_Rank() in Sql Server

What is Row_Number, CTE , Rank() and Dense_Rank() in Sql Server ……………………………… ROW_NUMBER(): This one generates a new row number for every row, regardless of duplicates within a partition. --Create  database create database SqlPractice use sqlpractice -- create table..... create table Employee (  EmpId varchar(50),  EmpName varchar(50)  )  select * from Employee Row_Number -- RowNumber select ROW_NUMBER()...