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Chapter 13. Disk Storage, Basic File Structures, and Hashing. Introduction. Memory Hierarchies and Storage Devices Storage of Databases. Secondary Storage Devices. Hardware Description of Disk Devices Magnetic Tape Storage Devices. Buffering Blocks. Placing File Records on Disk.
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Chapter 13 Disk Storage, Basic File Structures, and Hashing
Introduction • Memory Hierarchies and Storage Devices • Storage of Databases
Secondary Storage Devices • Hardware Description of Disk Devices • Magnetic Tape Storage Devices
Placing File Records on Disk • Records and Record Types • Files, Fixed-Length Records, and Variable-Length Records • Record Blocking and Spanned Versus Unspanned Records • Allocating File Blocks on Disk • File Headers
Hashing Techniques • Internal Hashing • External Hashing for Disk Files • Hashing Techniques That Allow Dynamic File Expansion
Other Primary File Organizations • Files of Mixed Records • B-Trees and Other Data Structures as Primary Organization
Parallelizing Disk Access Using RAID Technology • Improving Reliability with RAID • Improving Performance with RAID • RAID Organizations and Levels