Throw Away Half of Your Disks and Run Your Database ... - Oracle
Throw Away Half of Your Disks and Run Your Database ... - Oracle
Throw Away Half of Your Disks and Run Your Database ... - Oracle
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Competitive Analysis – DB2<br />
<strong>Oracle</strong><br />
Block level compression<br />
- Adaptive / dynamic compression<br />
- Unlimited compression values<br />
Zero decompression overhead<br />
- Minimal compression overhead<br />
- Batched compression<br />
Index compression<br />
Unstructured data compression<br />
<strong>and</strong> de-duplication (SecureFiles)<br />
Table/partition level compression<br />
dictionary<br />
- New data may not be<br />
compressed / <strong>of</strong>fline rebuild<br />
symbol table<br />
- Max 4K values per table<br />
Some decompression overhead<br />
- More compression overhead<br />
- Transactional compression<br />
None<br />
None<br />
IBM DB2
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