dmca premi badge 4 3 AVG() function in SQL Server SQL Functions

AVG() function in SQL Server

Avg():- This function is used to get the average value of a numeric column Syntax:-       SELECT AVG(column_name) FROM table_name In this article, we are going to use the following table for some examples:- CREATE TABLE [dbo]. [Employee]( [Empid] [Int] IDENTITY (1, 1) NOT NULL Primary key, [EmpNumber] [nvarchar](50) NOT NULL, [EmpFirstName] [nvarchar](150) NOT NULL, […]

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dmca premi badge 4 6 Substring() function in SQL Server SQL Functions

Substring() function in SQL Server

Substring():- This function is used to return the specified number (third argument “len”) of characters from a given string(first argument) from the start position as specified as the second argument. Syntax:-    Select  SUBSTRING ( expression ,start , length ) For example,        Select  SUBSTRING ( ‘kingmaker’ ,1 , 4 ) Result     king

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