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Chapter 11: Storage and File Structure Database System Concepts, 5th Ed . ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use Rev. Aug 1, 2008
Chapter 11: Storage and File Structure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.2 Database System Concepts - 5 th Edition
Classification of Physical Storage Media ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.3 Database System Concepts - 5 th Edition
Physical Storage Media ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.4 Database System Concepts - 5 th Edition
Physical Storage Media (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.5 Database System Concepts - 5 th Edition
Physical Storage Media (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.6 Database System Concepts - 5 th Edition
Physical Storage Media (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.7 Database System Concepts - 5 th Edition
Physical Storage Media (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.8 Database System Concepts - 5 th Edition
Physical Storage Media (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.9 Database System Concepts - 5 th Edition
Storage Hierarchy 11.10 Database System Concepts - 5 th Edition
Storage Hierarchy (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.11 Database System Concepts - 5 th Edition
Magnetic Hard Disk Mechanism 11.12 Database System Concepts - 5 th Edition NOTE: Diagram is schematic, and simplifies the structure of actual disk drives
Magnetic Disks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.13 Database System Concepts - 5 th Edition
Magnetic Disks (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.14 Database System Concepts - 5 th Edition
Disk Controller ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.15 Database System Concepts - 5 th Edition
Disk Subsystem ,[object Object],[object Object],[object Object],[object Object],[object Object],11.16 Database System Concepts - 5 th Edition
Performance Measures of Disks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.17 Database System Concepts - 5 th Edition
Performance Measures (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],11.18 Database System Concepts - 5 th Edition
Performance Measures (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],11.19 Database System Concepts - 5 th Edition
Optimization of Disk-Block Access ,[object Object],[object Object],[object Object],[object Object],[object Object],11.20 Database System Concepts - 5 th Edition
Optimization of Disk Block Access (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.21 Database System Concepts - 5 th Edition
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Optimization of Disk Block Access (Cont.) 11.22 Database System Concepts - 5 th Edition
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Optimization of Disk Block Access (Cont.) 11.23 Database System Concepts - 5 th Edition
RAID ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.24 Database System Concepts - 5 th Edition
Improvement of Reliability via Redundancy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.25 Database System Concepts - 5 th Edition
Improvement of Reliability via Redundancy ,[object Object],[object Object],11.26 Database System Concepts - 5 th Edition
Improvement in Performance via Parallelism ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.27 Database System Concepts - 5 th Edition
RAID Levels ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.28 Database System Concepts - 5 th Edition
RAID Levels (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],11.29 Database System Concepts - 5 th Edition
RAID Levels (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],11.30 Database System Concepts - 5 th Edition
RAID Levels (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.31 Database System Concepts - 5 th Edition
RAID Levels (Cont.) ,[object Object],[object Object],11.32 Database System Concepts - 5 th Edition
RAID Levels (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.33 Database System Concepts - 5 th Edition
Choice of RAID Level ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.34 Database System Concepts - 5 th Edition
Choice of RAID Level (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.35 Database System Concepts - 5 th Edition
Hardware Issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.36 Database System Concepts - 5 th Edition
Hardware Issues (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.37 Database System Concepts - 5 th Edition
RAID Terminology in the Industry ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.38 Database System Concepts - 5 th Edition
Optical Disks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.39 Database System Concepts - 5 th Edition
Magnetic Tapes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.40 Database System Concepts - 5 th Edition
Storage Access ,[object Object],[object Object],[object Object],[object Object],11.41 Database System Concepts - 5 th Edition
Buffer Manager ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.42 Database System Concepts - 5 th Edition
Buffer-Replacement Policies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.43 Database System Concepts - 5 th Edition
Buffer-Replacement Policies (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.44 Database System Concepts - 5 th Edition
File Organization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.45 Database System Concepts - 5 th Edition
Fixed-Length Records ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.46 Database System Concepts - 5 th Edition
Free Lists ,[object Object],[object Object],[object Object],[object Object],11.47 Database System Concepts - 5 th Edition
Variable-Length Records ,[object Object],[object Object],[object Object],[object Object],11.48 Database System Concepts - 5 th Edition
Variable-Length Records: Slotted Page Structure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.49 Database System Concepts - 5 th Edition
Organization of Records in Files ,[object Object],[object Object],[object Object],[object Object],[object Object],11.50 Database System Concepts - 5 th Edition
Sequential File Organization ,[object Object],[object Object],11.51 Database System Concepts - 5 th Edition
Sequential File Organization (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.52 Database System Concepts - 5 th Edition
Multitable Clustering File Organization (cont.) ,[object Object],[object Object],11.53 Database System Concepts - 5 th Edition ,[object Object],[object Object]
Data Dictionary Storage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.54 Database System Concepts - 5 th Edition Data dictionary (also called system catalog ) stores metadata : that is, data about data, such as
Data Dictionary Storage (Cont.) ,[object Object],[object Object],[object Object],[object Object],11.55 Database System Concepts - 5 th Edition Relation_metadata = ( relation_name , number_of_attributes, storage_organization, location ) Attribute_metadata = ( relation_name, attribute_name , domain_type, position, length ) User_metadata = ( user_name , encrypted_password, group ) Index_metadata = ( relation_name, index_name , index_type, index_attributes ) View_metadata = ( view_name , definition )
Extra Slides Database System Concepts, 5th Ed . ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use
Record Representation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.57 Database System Concepts - 5 th Edition Example record structure of account record account_number branch_name balance Perryridge A-102 400 10 000 null-bitmap
End of Chapter Database System Concepts, 5th Ed . ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use
File Containing account Records 11.59 Database System Concepts - 5 th Edition
File of Figure 11.6, with Record 2 Deleted and All Records Moved 11.60 Database System Concepts - 5 th Edition
File of Figure 11.6, With Record 2 deleted and Final Record Moved 11.61 Database System Concepts - 5 th Edition
Byte-String Representation of Variable-Length Records 11.62 Database System Concepts - 5 th Edition
Clustering File Structure 11.63 Database System Concepts - 5 th Edition
Clustering File Structure With Pointer Chains 11.64 Database System Concepts - 5 th Edition
The depositor Relation 11.65 Database System Concepts - 5 th Edition
The customer Relation 11.66 Database System Concepts - 5 th Edition
Clustering File Structure 11.67 Database System Concepts - 5 th Edition
11.68 Database System Concepts - 5 th Edition
Figure 11.4 11.69 Database System Concepts - 5 th Edition
Figure 11.7 11.70 Database System Concepts - 5 th Edition
Figure 11.8 11.71 Database System Concepts - 5 th Edition
Figure 11.20 11.72 Database System Concepts - 5 th Edition
Byte-String Representation of Variable-Length Records 11.73 Database System Concepts - 5 th Edition ,[object Object],[object Object],[object Object],[object Object]
Fixed-Length Representation ,[object Object],[object Object],[object Object],[object Object],11.74 Database System Concepts - 5 th Edition
Pointer Method ,[object Object],[object Object],[object Object],11.75 Database System Concepts - 5 th Edition
Pointer Method (Cont.) ,[object Object],[object Object],[object Object],[object Object],11.76 Database System Concepts - 5 th Edition
Mapping of Objects to Files ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.77 Database System Concepts - 5 th Edition
Mapping of Objects to Files (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.78 Database System Concepts - 5 th Edition
Management of Persistent Pointers ,[object Object],11.79 Database System Concepts - 5 th Edition
Management of Persistent Pointers (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.80 Database System Concepts - 5 th Edition
Hardware Swizzling ,[object Object],[object Object],[object Object],[object Object],[object Object],11.81 Database System Concepts - 5 th Edition
Hardware Swizzling ,[object Object],[object Object],[object Object],[object Object],11.82 Database System Concepts - 5 th Edition
Hardware Swizzling (Cont.) ,[object Object],11.83 Database System Concepts - 5 th Edition
Hardware Swizzling (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.84 Database System Concepts - 5 th Edition
Hardware Swizzling (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.85 Database System Concepts - 5 th Edition
Hardware Swizzling (Cont.) ,[object Object],[object Object],11.86 Database System Concepts - 5 th Edition Page image after swizzling
Hardware Swizzling (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.87 Database System Concepts - 5 th Edition
Disk versus Memory Structure of Objects ,[object Object],[object Object],[object Object],[object Object],[object Object],11.88 Database System Concepts - 5 th Edition
Large Objects ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.89 Database System Concepts - 5 th Edition
Modifying Large Objects ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11.90 Database System Concepts - 5 th Edition

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ch11

  • 1. Chapter 11: Storage and File Structure Database System Concepts, 5th Ed . ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use Rev. Aug 1, 2008
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  • 10. Storage Hierarchy 11.10 Database System Concepts - 5 th Edition
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  • 12. Magnetic Hard Disk Mechanism 11.12 Database System Concepts - 5 th Edition NOTE: Diagram is schematic, and simplifies the structure of actual disk drives
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  • 55.
  • 56. Extra Slides Database System Concepts, 5th Ed . ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use
  • 57.
  • 58. End of Chapter Database System Concepts, 5th Ed . ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use
  • 59. File Containing account Records 11.59 Database System Concepts - 5 th Edition
  • 60. File of Figure 11.6, with Record 2 Deleted and All Records Moved 11.60 Database System Concepts - 5 th Edition
  • 61. File of Figure 11.6, With Record 2 deleted and Final Record Moved 11.61 Database System Concepts - 5 th Edition
  • 62. Byte-String Representation of Variable-Length Records 11.62 Database System Concepts - 5 th Edition
  • 63. Clustering File Structure 11.63 Database System Concepts - 5 th Edition
  • 64. Clustering File Structure With Pointer Chains 11.64 Database System Concepts - 5 th Edition
  • 65. The depositor Relation 11.65 Database System Concepts - 5 th Edition
  • 66. The customer Relation 11.66 Database System Concepts - 5 th Edition
  • 67. Clustering File Structure 11.67 Database System Concepts - 5 th Edition
  • 68. 11.68 Database System Concepts - 5 th Edition
  • 69. Figure 11.4 11.69 Database System Concepts - 5 th Edition
  • 70. Figure 11.7 11.70 Database System Concepts - 5 th Edition
  • 71. Figure 11.8 11.71 Database System Concepts - 5 th Edition
  • 72. Figure 11.20 11.72 Database System Concepts - 5 th Edition
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