/* BOT 2 */
SELECT SYS_CONTEXT('USERENV','SID') "SYS_CONTEXT('USERENV','SID')" FROM "SYS"."DUAL" "A1";

/* Serializable */
ALTER SESSION SET ISOLATION_LEVEL = Serializable;

/* Update data set */
UPDATE JOURNEY SET COST = 101 WHERE JOURNEYID = 0;

/* COMMIT */





/* Read commited */
ALTER SESSION SET ISOLATION_LEVEL = Read Committed;

/* Update data set */
UPDATE JOURNEY SET COST = 101 WHERE JOURNEYID = 0;

/* COMMIT */