See the description of transaction isolation levels in Teradata Vantage™ - SQL Request and Transaction Processing, B035-1142 for further information about transaction isolation.
See Teradata Vantage™ - Temporal Table Support, B035-1182 for information about the possible ways that transactions involving temporal tables can violate serializability and information about how to work around those issues.
For further information about the AccessLockForUncomRead parameter, see the description of the DBS Control utility in Teradata Vantage™ - Database Utilities, B035-1102.