SQL LEN () function Instance Tutorial

Source: Internet
Author: User

SQL LEN () function Instance Tutorial

In Len () function
The Len () function returns the value of the length in the text field.

Database Len () syntax

SELECT LEN (column_name) from table_name
Let's take a look at an example.
 
   
    Address 
       City 
     
Id LastName FirstName
1 Hansen Ola TIMOTEIVN 10 Sandnes
2 Svendson Tove BORGVN 23 Sandnes
3 Pettersen Kari STORGT 20 Stavanger
Here we take the following SQL statement.
 
 SELECT LEN (address) as lengthofaddress from Persons 
   
 output results. 
   
 
    
    
l Engthofaddress
9

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