Select employee more than x character SQL Server

Select something that has more/less than x character
Select employee more than x character sql server
Select employee more than x character oracle
mysql where length greater than
sql string length greater than 0
substr sql
last_name has more than 5 characters sql
fill in the blanks to select 3rd and 4th characters of the name column from the employees table
to extract the day value from the date joined column, which of the following
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