ch10 - 10. 10. (1) (1) (DASD:Direct Access Storage Device)...

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Unformatted text preview: 10. 10. (1) (1) (DASD:Direct Access Storage Device) (access time) (access time) (seek time) : ( ) (rotational delay) : (transfer time) 10~30ms cf) : 10~100ns , 2 (2) (2) (storage structure) (storage structure) DB DB , , 3 4 (Platters) (Tracks) (Sectors) (Cylinders) (Spindle) 5 + (Rotational delay) + (Transfer time) (seek time) = DBMS DBMS I/O 6 (1) (1) (basic I/O service) (basic I/O service) I/O...
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This note was uploaded on 11/03/2009 for the course CS db taught by Professor Prof.kim during the Fall '09 term at 홍익대학교.

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ch10 - 10. 10. (1) (1) (DASD:Direct Access Storage Device)...

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