The Lock Manager in DB2's architecture ensures ________.
- Buffer management
- Data consistency in multi-user environments
- Data storage and retrieval
- Query optimization
The Lock Manager in DB2 ensures data consistency in multi-user environments by managing locks on data resources. It ensures that transactions execute serially and concurrently without interfering with each other, thus maintaining data integrity and preventing conflicts. Locks are used to control access to data and prevent concurrent transactions from modifying the same data simultaneously, thereby avoiding inconsistencies.
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