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Final Review Topics

Final Review Topics. Chapter 4 SQL, Chapter 7 Relational-Database Design, Chapter 11 Storage and File Structure, Chapter 12 Indexing and Hashing, Chapter 15 Transactions, Chapter 16 Concurrency Control. SQL. Emphasis on Aggregate Functions, Nested Subqueries, DB Modifications, and DDL.

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Final Review Topics

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  1. Final Review Topics • Chapter 4 SQL, • Chapter 7 Relational-Database Design, • Chapter 11 Storage and File Structure, • Chapter 12 Indexing and Hashing, • Chapter 15 Transactions, • Chapter 16 Concurrency Control

  2. SQL • Emphasis on Aggregate Functions, Nested Subqueries, DB Modifications, and DDL

  3. Relational Database Design • First Normal Form and Preliminaries • Why we need normalization? • Functional Dependencies • BCNF and 3NF Decompositions • Desirable Properties of Decomposition • Lossless Join Property • Dependency Preserving Property

  4. Storage, Indexing and Hashing • Storage Considerations, why is that important? • Ordered Indices • B+-Tree • B-Tree (Basic Concepts) • Hashing, static & dynamic • Index Definition in SQL

  5. Transactions • Meaning of a Transaction • ACID Property • Concurrent Execution • Serializability & Conflict Serializability • Testing for Serializability • Recoverability (Basics)

  6. Concurrency Control • Lock-based Protocols • Two-Phase Locking • Tree Protocol • Timestamp-based Protocol • Deadlock Handling

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