What is the difference between rollbac and rollback?
SQL> create table t as select 1 x from dual;
Table created.
SQL> update t set x=2;
1 row updated.
SQL> savepoint a;
Savepoint created.
SQL> update t set x=3;
1 row updated.
SQL> rollbac to savepoint a;
Rollback complete.
SQL> select * from t;
X
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1
WTF! rollbac does not seem to work correctly
Actually, ROLL, ROLLB, [...]