Uma's Blog :::: SQL and T-SQL string and date time functions (FORMAT, STUFF, DATALENGTH, PATINDEX, SWITCHOFFSET)
![sql server - User-defined function returns first character only although RETURN VARCHAR(10) is defined? - Database Administrators Stack Exchange sql server - User-defined function returns first character only although RETURN VARCHAR(10) is defined? - Database Administrators Stack Exchange](https://i.stack.imgur.com/nL0ta.png)
sql server - User-defined function returns first character only although RETURN VARCHAR(10) is defined? - Database Administrators Stack Exchange
![t sql - T-SQL How to create function that compares string, checks difference, and do special function - Stack Overflow t sql - T-SQL How to create function that compares string, checks difference, and do special function - Stack Overflow](https://i.stack.imgur.com/6nLDR.png)