ROLLBACK的区别

heon1978

EXEC SQL ROLLBACK
EXEC SQL ROLLBACK WORK
EXEC SQL SYNCPOINT ROLLBACK
三者的区别？

IFMXDBA

1 & 2 are same
Unlike 1 & 2, 3 just rollback the previous save point, not the whole transaction

heon1978

请问IFMXDBA，syncpoint rollback是指rollback当前记录，而不是所有应用记录对吗，
听说synpoint rollback要之前设置一个同步点的，如何设置？