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Finding total number of rows in a table. We can get the number of rows or records present in a table by using mysql_num_rows() function. This function is to be used along with mysql select query. We can add condition by using mysql where clause to the select query and get the conditional rows.
But the SQL server introduces a new function called row_number() . This function assigns a unique row number starting from 1 to number of records. The following is the statement which is the SQL Server 2005 equivalent of the above query set: This statement doesn't use the temp table.n addition to the row_number() function, SQL Server 2005 also introduces the function rank() . This can be used to rank the records based on another column. An example for the usage of rank function is as follows: The above statement gets the rank of each employee based on his/her join date as a new column.