DB2 11.1 i variationer

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När DB2 LUW 11.1 släpptes i våras fanns stora förväntningar. Skalbarheten var en av de stora styrkorna och så förstås skillnaden i kapacitet. DB2 v10.5 stödde upp till 10TB rådata men i och med v11.1 ökade det till 20TB. En annan aspekt är den utökade styrkan i DB2 och BLU. Eftersom BLU inte är begränsad till att köras i en enda partition längre kan de kunder som tidigare begränsats av detta nu använda sig av BLU på flera partitioner vilket gör att man kan köra i massiva databaser.

Nåväl, samtidigt som utvecklingen framskrider släpper IBM nya varianter av DB2 för att du som användare ska få tillgång till det som passar dig till lägsta kostnad. Exempelvis har en Developer Edition tillkommit i den senaste releasen. Kör du rätt variant? I följande översikt kan du jämföra de olika modellerna.

 

Table 1. Functionality in DB2 database product editions and DB2 offerings
Functionality DB2 Express-C DB2 Workgroup Server Edition DB2 Enterprise Server Edition DB2 Advanced Workgroup Server Edition DB2 Advanced Enterprise Server Edition DB2 Developer Edition
Access Plan Reuse No Yes Yes Yes Yes Yes
Adaptive Compression and classic row compression No No No Yes Yes Yes
Compression: backup Yes Yes Yes Yes Yes Yes
Connection concentrator No Yes Yes Yes Yes Yes
Continuous Data Ingest Yes Yes Yes Yes Yes Yes
Data Server Manager Base No Yes Yes No No No
Data Server Manager Enterprise No IBM® DB2 Performance ManagementOffering IBM DB2 Performance Management Offering Yes Yes Yes
DB2 Advanced Copy Services No Yes Yes Yes Yes Yes
DB2 column-organizedtables5 No No No Yes Yes Yes
DB2 Connect™ functionality No No No Yes1 Yes1 Yes
DB2 pureScale® functionality No Yes7 Yes7 Yes Yes Yes
Encryption – native backup encryption Yes Yes Yes Yes Yes Yes
Encryption – native database encryption Yes Yes Yes Yes Yes Yes
Federation with IBM data servers Yes Yes Yes Yes Yes Yes
Federation with DB2 for i and DB2 z data sources No No No Yes8 Yes8 Yes
Federation with all other data sources including Oracle No No No Yes Yes Yes
High availability disaster recovery No Yes Yes Yes Yes Yes
IBM Data Studio Yes Yes Yes Yes Yes Yes
IBM(r) DB2 Merge Backup No IBM DB2 Advanced Recovery Feature IBM DB2 Advanced Recovery Feature IBM DB2 Advanced Recovery Feature IBM DB2 Advanced Recovery Feature IBM DB2 Advanced Recovery Feature
IBM(r) DB2 Recovery Expert No IBM DB2 Advanced Recovery Feature IBM DB2 Advanced Recovery Feature IBM DB2 Advanced Recovery Feature IBM DB2 Advanced Recovery Feature IBM DB2 Advanced Recovery Feature
IBM InfoSphere® Change Data Capture for DB2 for LUW4 No No No Yes Yes Yes
IBM InfoSphere CDC Access Server4 No No No Yes Yes Yes
IBM InfoSphere CDC Management Console4 No No No Yes Yes Yes
IBM InfoSphere Data Architect No No No Yes2 Yes2 Yes2
IBM InfoSphere Optim™ High Performance Unload IBM DB2 Advanced Recovery Feature IBM DB2 Advanced Recovery Feature IBM DB2 Advanced Recovery Feature IBM DB2 Advanced Recovery Feature IBM DB2 Advanced Recovery Feature
Index Compression No No No Yes Yes Yes
Label-based access control (LBAC) No Yes Yes Yes Yes Yes
Materialized query tables (MQTs) No No Yes Yes Yes Yes
Multidimensional clustering (MDC) tables No Yes Yes Yes Yes Yes
Multi-Temperature Storage No Yes Yes Yes Yes Yes
Net Search Extender Yes Yes Yes Yes Yes Yes
Online reorganization No Yes Yes Yes Yes Yes
Oracle Compatibility Yes Yes Yes Yes Yes Yes
Partitioning – partitioned database environment No No No Yes Yes Yes
Partitioning – Table partitioning No Yes Yes Yes Yes Yes
pureXML® storage Yes Yes Yes Yes Yes Yes
Q Replication with two other DB2 LUW servers No No No Yes Yes Yes
Query parallelism No Yes Yes Yes Yes Yes
Replication tools Yes3 Yes3 Yes3 Yes Yes3 Yes
Row and column access control (RCAC) No Yes Yes Yes Yes Yes
Scan Sharing No Yes Yes Yes Yes Yes
Spatial Extender Yes Yes Yes Yes Yes Yes
SQL Replication with DB2 LUW databases No Yes Yes Yes Yes Yes
Time Travel Query Yes Yes Yes Yes Yes Yes
IBM Tivoli® System Automation for Multiplatforms No Yes Yes Yes Yes Yes
Workload management No

IBM DB2 Performance Management Offering6

IBM DB2 Performance Management Offering6

Yes Yes Yes

Note:

  1. This functionality is availability only by using the SQL Warehouse tool (SQW).
  2. DB2 Advanced Enterprise Server Edition includes 10 InfoSphere Data Architect user licenses.
  3. Replication tools except the Replication Center are available on all supported operating systems. The Replication Center is available only on Linux and Windows operating systems.
  4. IBM InfoSphere Change Data Capture software components are included for support of:
    Unidirectional replication without data transformations between a single DB2 for LUW source and no more than two DB2 for LUW servers of the same version for the purpose of HADR
    For supporting shadow table functionality within a single DB2 for LUW instance to replicate from row-organized tables into column-organized tables.
  5. Includes support for:In DB2 Version 10.5 Fix Pack 5 and later fix packs, this functionality is available with the DB2 offering listed. In addition to applying the base license certificate file for the DB2 database product edition, also apply the license certificate file for the offering. For details about the functionality available with each DB2 offering, see DB2 database product editions and DB2 offerings. For the license file names, see DB2 license files.
    Column-organized tables,
    Shadow tables (a column-organized copy of a row-organized table), and
    InfoSphere Change Data Capture (for replication of the shadow table).
  6. The support for the DB2 Workgroup Server Edition and the DB2 Enterpirse Server Edition on pureScale is only for one primary server and one standby server. The standby server can only be used to perform administrative tasks, or be ready to take over from the primary server in the event of a planned or unplanned outage.
  7. Federation with DB2 for i and DB2 for z data sources is possible with sufficient entitlement to DB2 Connect

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