SQL Server Code,Tips and Tricks, Performance Tuning

Let's say you have names stored in the format [Klein, Barbara] but would like it to be [Barbara Klein]
How do you accomplish that in SQL?
SQL provides 2 useful functions (CHARINDEX And SUBSTRING)
Run the code below to see how they work

CREATE TABLE Names (ID INT identity not null,NameField VARCHAR(50), ProperNameField VARCHAR(50))

INSERT INTO Names
SELECT 'Klein, Barbara',NULL
UNION ALL
SELECT 'Smith, John',NULL
UNION ALL
SELECT 'Jackson, Michael',NULL
UNION ALL
SELECT 'Gates, Bill',NULL


UPDATE Names
SET ProperNameField =SUBSTRING(NameField,CHARINDEX(',',NameField) + 2,
LEN(NameField) - CHARINDEX(',',NameField))
+ ' ' + LEFT(NameField,CHARINDEX(',',NameField)-1)


SELECT * FROM Names