Question

I have table like this:

Users(id,name)

I need a query to find name’s start with ‘asdf_’ and update all rows with removing this prefix.

for example:

Before query, the table contains:

asdf_john
asdf_jane

After query I want:

john
jane

Thanks for help

Answer 1

The sql-function you could use is Substring: SUBSTR (Example: http://www.1keydata.com/sql/sql-substring.html)

For your table USERS:

UPDATE USERS SET NAME = SUBSTRING (NAME, 6) WHERE NAME LIKE 'asdf_%';