I need to trim the characters before the '@' and including the @' sign in a field that contains an email address. For example, jsmith@hp.com would be trimmed to hp.com. Any suggestions?
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if you want to update the field with the trimmed string :
UPDATE table_name SET email_col = SUBSTRING_INDEX(email_col,
// -2 can be any negative value, I used -2 because thats the way I studied. :-D It will return "hp.com"
// If you specify a positive value instead of -2 , it will return "jsmith"
mysql> select * from email;
+---------------+
| email |
+---------------+
| jsmith@hp.com |
+---------------+
1 row in set (0.00 sec)
mysql> select substring(email, instr(email,'@')+1) FROM email;
+-------------------------
| substring(email, instr(email,'@')+1) |
+-------------------------
| hp.com |
+-------------------------
1 row in set (0.00 sec)
Business Accounts
Answer for Membership
by: ldbkuttyPosted on 2005-01-25 at 19:24:43ID: 13138834
SELECT SUBSTRING_INDEX(email_col,