Search notes:

ORA-01429: Index-Organized Table: no data segment to store overflow row-pieces

With block size = 8KB, the following statement throws ORA-01429: Index-Organized Table: no data segment to store overflow row-pieces: 
create table tq84_ora_01429 (
   id integer primary key,
   txt varchar2(4000)
)
ORGANIZATION INDEX;
With the overflow tablespace clause, the index organized table can be created: 
create table tq84_no_ora_01429 (
   id integer primary key,
   txt varchar2(4000)
)
organization index
OVERFLOW TABLESPACE user_data;

See also

Other Oracle error messages

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:51 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(51): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(66): id_of(Object(PDO), 'uri', '/notes/developm...') #2 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/developm...', 1758207257, '216.73.216.150', 'Mozilla/5.0 App...', NULL) #3 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/development/databases/Oracle/errors/ORA-01429_Index-Organized-Table_no-data-segment-to-store-overflow-row-pieces(50): insert_webrequest() #4 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 51