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17.1 Introduction to Transaction Control Language (TCL)
Overview of TCL and its role in database transaction management
Importance of TCL in controlling transaction behavior and ensuring data integrity
Comparison between TCL and other SQL languages (DDL, DML, DCL)
17.2 COMMIT Statement
Committing transactions with the COMMIT statement
Finalizing changes made by transactions and making them permanent
Ensuring data consistency and durability through transaction commits
17.3 ROLLBACK Statement
Rolling back transactions with the ROLLBACK statement
Undoing changes made by transactions and restoring data to its original state
Handling transaction failures and ensuring data integrity
17.4 SAVEPOINT Statement
Setting savepoints within transactions with the SAVEPOINT statement
Creating intermediate checkpoints for partial transaction rollback
Partially rolling back transactions to specific savepoints
17.5 Transaction Management Best Practices
Best practices for effective transaction management
Understanding transaction boundaries and granularity
Optimizing transaction control for performance and data integrity
17.6 Error Handling and Transaction Recovery
Handling errors and exceptions within transactions
Implementing error handling mechanisms with TRY...CATCH blocks
Recovering from transaction errors and failures
17.7 Isolation Levels and Transaction Control
Understanding the impact of isolation levels on transaction behavior
Setting isolation levels to control concurrency and consistency
Choosing appropriate isolation levels based on application requirements
17.8 Nested Transactions
Introduction to nested transactions and transaction savepoints
Nesting transactions within other transactions
Managing nested transactions and savepoints effectively
17.9 Concurrency Control and Locking
Coordinating access to shared resources through concurrency control mechanisms
Understanding locking and its impact on transaction behavior
Avoiding deadlocks and contention through proper locking strategies
17.10 Transaction Logs and Recovery
Understanding transaction logs and their role in transaction recovery
Logging transactional changes for durability and recoverability
Recovering transactions from transaction logs in case of failures
17.11 Distributed Transactions
Managing distributed transactions across multiple databases or systems
Coordinating distributed transactions with two-phase commit (2PC) protocol
Ensuring consistency and atomicity in distributed transaction processing
17.12 Transaction Control in Advanced Scenarios
Handling long-running transactions and resource-intensive operations
Implementing compensating transactions for data consistency
Transaction control in cloud-based and distributed environments
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