SQL*Plus does this, not KSqlPlus. SQL*Plus splits lines with
width more than 80 characters (by default).
You can disable this splitting if you'll set a larger width limit
in SQL*Plus. Execute 'set linesize 1000'
command in each
KSqlPlus (i.e. SQL*Plus) session or insert this command into
the SQL*Plus's global settings file glogin.sql. It is located
in 'ORACLE_HOME/sqlplus/admin' directory. You must be an Oracle
administrator to do this. Remember: this settings apply for
all SQL*Plus sessions which will be created on your computer.