PostgreSQL LENGTH() function - w3resource
Exploring SQL Server LEN() Function - {coding}Sight
SQL Server LEN Function By Practical Examples
SQL LEN() - SqlSkull
LEN function in MSSQL and it's equivalent in MySQL
Comparing VARCHAR(max) vs VARCHAR(n) data types in SQL Server
SQL LEN() function(combine several special functions)
SDU Tools: Calculate string length in SQL Server T-SQL - The Bit Bucket
character - Getting the length of a string in SQL - Stack Overflow
SQL DATALENGTH
SQL LEN() function(combine several special functions)
SQL Server SUBSTRING Function with Examples
SQL TRIM() - SqlSkull
sql - Is it faster to check if length = 0 than to compare it to an empty string? - Stack Overflow
SQL Length of String
SQL String Functions with Syntax and Examples - DataFlair
SQL varchar data type deep dive
LEN function in MSSQL and it's equivalent in MySQL
Javarevisited: How to find Length of String in SQL Server? LEN() Function Example
SQL LENGTH/LEN Function Guide, FAQ, and Examples
Substring() in SQL Server: How to use Function with Example
SQL LENGTH function - Get the Number of Characters In a String
SQL String Length - Finding Column Width - All Things SQL
SQL: How to limit characters in a SQL Server string when varchar(n) won't work - The Bit Bucket
