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
OLTP Table Compression Uncompressed Block Header 1•John•Doe 2•Jane• Doe 3•John•Smith 4• Jane • Doe 5•Jack •Smith Free Space Local Symbol Table Compressed Block Header John=|Doe=|Jane=|Smith= 1•John•Doe 2•Jane• •Doe 5•Jack• 3•John•Smith 4• Jane • Doe Free Space Free Space 1•• 2•• 3•• 4 • More Data Per Block
Table Compression Syntax OLTP Table Compression Syntax: CREATE TABLE emp ( emp_id NUMBER , first_name VARCHAR2(128) , last_name VARCHAR2(128) ) COMPRESS FOR ALL OPERATIONS; Direct Load Compression Syntax (default): CREATE TABLE emp ( emp_id NUMBER , first_name VARCHAR2(128) , last_name VARCHAR2(128) ) COMPRESS [FOR DIRECT_LOAD OPERATIONS];
- Page 1 and 2: Oracle Advanced Compression: Throw
- Page 3 and 4: Agenda • Data Growth Challenges
- Page 5 and 6: Introducing Advanced Compression Op
- Page 7 and 8: OLTP Table Compression • Oracle D
- Page 9 and 10: Block-Level Batch Compression • P
- Page 11: OLTP Table Compression ID 1 2 3 4 5
- Page 15 and 16: OLTP Table Compression Getting Star
- Page 17 and 18: Table Compression Results
- Page 19 and 20: Real World Compression Results MB 2
- Page 21 and 22: Real World Compression Results Phys
- Page 23 and 24: Real World Compression Results Time
- Page 25 and 26: SecureFiles Deduplication Secure Ha
- Page 27 and 28: SecureFiles Compression Syntax Comp
- Page 29 and 30: Data Pump Compression • Performan
- Page 31 and 32: Backup Compression Syntax FAST RMAN
- Page 33 and 34: RMAN Compression Overview • Data
- Page 35 and 36: Time (Seconds) Backup Compression 2
- Page 37 and 38: Time (Seconds) Backup Compression 2
- Page 39 and 40: Network Compression Oracle Data Gua
- Page 41 and 42: Competitive Analysis - DB2 Oracle B
- Page 43 and 44: Competitive Analysis - Teradata Ora
- Page 45 and 46: Competitive Analysis Size, MB 6000
OLTP Table Compression<br />
Uncompressed Block<br />
Header<br />
1•John•Doe 2•Jane•<br />
Doe 3•John•Smith 4•<br />
Jane • Doe 5•Jack<br />
•Smith Free Space<br />
Local<br />
Symbol Table<br />
Compressed Block<br />
Header<br />
John=|Doe=|Jane=|Smith=<br />
1•John•Doe 2•Jane•<br />
•Doe 5•Jack• 3•John•Smith 4•<br />
Jane • Doe<br />
Free Space<br />
Free Space<br />
1•• 2•• 3•• 4 • <br />
More Data<br />
Per Block