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Job-ready SQL and database skills
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Module 9
Transactions and Concurrency
1
Understanding ACID Properties
Explain the ACID properties (Atomicity, Consistency, Isolation, Durability) of a transaction.
2
Managing Transactions with `BEGIN`, `COMMIT`, and `ROLLBACK`
Use `BEGIN`, `COMMIT`, and `ROLLBACK` to manage explicit transaction boundaries.
3
Understanding Concurrency Issues: Dirty Reads and Phantom Reads
Describe how concurrent transactions can lead to data anomalies like dirty reads or phantom reads.
4
Understanding Database Isolation Levels
Explain the purpose of database isolation levels (e.g., Read Committed, Serializable).
5
Understanding Deadlocks in Concurrent Transactions
Define a deadlock and explain how it can occur between concurrent transactions.
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Database Design and Normalization
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Query Performance and Optimization