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[Altibase] 1-2 disk dbms


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disk dbms concept

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[Altibase] 1-2 disk dbms

  1. 1. Disk DBMS Features  Large capacity of data processing • Unlike Memory DBMS, there is no size restriction of storing data • Suitable for history type of data and DW  Limitation of processing performance • Performance reduced by Disk I/O • Index is created from the disk even though the data is loaded into buffer MEMORY LAYER DISK STORAGE LAYER DATABASE ENGINE DISK Tablespace Memory Buffer