Compression and Performance in Oracle Database 12 c. Gregg Christman Senior Product Manager – ACO/HCC.
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Gregg ChristmanSenior Product Manager – ACO/HCC
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Introduced in Oracle Database 9i Release 2
Compression during bulk load operations (Direct Load, CTAS)
Data modified using conventional DML not compressed
Optimized compression algorithm for relational data
Customers indicate that typical compression ratio is 2x to 4x
Data is compressed at the database block level
Compression enabled at either the table or partition level
Completely transparent to applications
ACO Compression Capabilities
Flashback Data Archive
Oracle Database Enterprise Edition
2x to 4xCompression Typical
Table Scan Performance
10x to 15x Reduction
Logical Compression Unit
Optimized for Space
Optimized for Speed on Exadata
Reclaim 93% of Disks
Keep Data Online
Compression and Performance with ACO and SAPMilt Simonds, Director Enterprise Platform Delivery