Sql select last row in group

We could use LAST_VALUE() in SQL Server to find the last value from any table. LAST_VALUE() function used in SQL server is a type of window function that results the last value in an ordered partition of the given data set.

Syntax :

SELECT *, FROM tablename LAST_VALUE ( scalar_value ) OVER ( [PARTITION BY partition_expression ] ORDER BY sort_expression [ASC | DESC] ) AS columname ;

Where the terminologies description as follows.
scalar_value –
scalar_value is a value analyzed against the value of the last row in an ordered partition of the given data set.

PARTITION BY –
PARTITION BY clause is optional, it differs the rows of the given data set into partitions where the LAST_VALUE() function is used.

ORDER BY –
ORDER BY clause defines the order of the rows in each partition where the LAST_VALUE() function is used.

Example-1 :
Let us suppose we have a table named ‘geekdemo’;

SELECT Name, City, Year FROM [geekdemo] ;

Name	City	Year
Ankit	Delhi	2019
Babita	Noida	2 how to get previous row in sql how to get last record in sql without order by