```
>sqlite
SQLite version 3.37.0 2021-10-20 17:10:36
Enter ".help" for usage hints.
Connected to a transient in-memory database.
Use ".open FILENAME" to reopen on a persistent database.
sqlite> create table apn(apn_d text not null);
sqlite> select CASE WHEN APN_D NOT LIKE '%-%' AND APN_D NOT LIKE '' THEN LEFT(APN_D, 3) + '-' + SUBSTRING(APN_D, 3, 3) + '-' + SUBSTRING(APN_D, 6, 3) + '-' + RIGHT(APN_D, 3) ELSE APN_D end from apn;
Error: near "(": syntax error
sqlite> select CASE WHEN APN_D NOT LIKE '%-%' AND APN_D NOT LIKE '' THEN SUBSTRING(APN_D, 1, 3) + '-' + SUBSTRING(APN_D, 3, 3) + '-' + SUBSTRING(APN_D, 6, 3) + '-' + RIGHT(APN_D, 3) ELSE APN_D end from apn;
Error: near "(": syntax error
sqlite> select CASE WHEN APN_D NOT LIKE '%-%' AND APN_D NOT LIKE '' THEN SUBSTRING(APN_D, 1, 3) + '-' + SUBSTRING(APN_D, 3, 3) + '-' + SUBSTRING(APN_D, 6, 3) + '-' + SUBSTRING(APN_D,7,3) ELSE APN_D end from apn;
sqlite>
```