Best Practices for SAP BI using DB2 9 for z/OS - IBM Redbooks

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International Technical Support Organization Best Practices for SAP BI using DB2 9 for z/OS March 2008 SG24-6489-02
Page 1: Best Practices for SAP BI using DB2
Page 5 and 6: Contents Notices . . . . . . . . .
Page 7 and 8: 7.4.3 Data Partitioned Secondary In
Page 9 and 10: Related publications . . . . . . .
Page 11 and 12: Notices This information was develo
Page 13 and 14: Preface This IBM® Redbooks® publi
Page 15 and 16: Georg Mayer is a Senior Development
Page 17 and 18: Thanks to the following people for
Page 19 and 20: Chapter 1. Introduction 1 In any en
Page 21 and 22: Furthermore, the SAP BI application
Page 23 and 24: 7 x 24 application availability 99.
Page 25 and 26: - MCOD - System z first - reduces c
Page 27 and 28: Chapter 2. Overview of SAP BI and r
Page 29 and 30: A DSO, or data store object, is a d
Page 31 and 32: 2.2.1 Report SAP_BWTOOLPGM_DB2 If y
Page 33 and 34: Note that in Figure 2-5 the Adminis
Page 35 and 36: 2.3.2 Range partitioning of F- fact
Page 37 and 38: ROTATE SQL statement. This defines
Page 39 and 40: 2.3.5 Usage of data partitioned sec
Page 41 and 42: Table structure of facttable Indice
Page 43 and 44: 2.4 SAP BI snowflake schema Figure
Page 45 and 46: ► SAP Analyze Tool This new query
Page 47 and 48: Chapter 3. Top ten SAP BI recommend
Page 49 and 50: A cost-based optimizer relies on cu
Page 51 and 52: - Improved bufferpool hit ratio (mo
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4 Chapter 4. Benefits of DB2 9 for
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Figure 4-1 shows an SAP BI snowflak
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DB2 V9 Dynamic Index ANDing � Dyn
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If you are interested in how SAP BI
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) SHRLEVEL CHANGE REPORT NO cause f
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Figure 4-7 explains how to influenc
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► A single value is never broken
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Global query optimization addresses
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WHERE clause). The performance impr
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4.7 RENAME INDEX DB2 8 for z/OS onl
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Chapter 5. Best practices for PSA 5
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Figure 5-1 illustrates the data upd
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Figure 5-3 shows the available opti
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In BI 7.x releases the scheduling o
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During the first test case, we defi
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The PSA load process was running su
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The package size depends on the SAP
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added. If you do not manage PSA pro
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Using the SE14 transaction with the
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Chapter 6. Best practices for InfoC
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Some of the terminology has changed
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► SAP RemoteCube In an SAP Remote
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You would repartition an InfoCube w
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At this stage (Figure 6-6) you will
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The repartitioning process can be m
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In our example, our repartitioning
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You are also able to view the new p
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► Partitioning enables fast delet
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6.3.1 Procedure for remodeling an I
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Next you add an operation to the li
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Figure 6-22 Remodeling monitor Once
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6.4.2 Data validation ► SAP compr
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► Load impact - Loading data into
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- When not condensing all requests:
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7 Chapter 7. Best practices for Dat
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7.2.2 DataStore object for direct u
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7.3.1 Creating a secondary index on
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partitioning and table-controlled p
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BIC/A00) table. Keep in mind that t
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DPSI indexes provide an alternative
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SYSREC DD DSN=LYDIA.SMPLUNLD.SYSREC
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From the window DB2/390 Storage Att
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Now return to the window ABAP Dicti
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POSITION( 00033:00042) VARGRAPHIC ,
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To use the LimitKey function, call
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Example of an SAP object log for ta
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| '19990424' ) , PART 5 VALUES ( '2
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| Table type /BIC/WADSOTEST00 was a
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| COMMIT WORK | DDL time(___3): ...
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7.5.1 Materialized query tables Mat
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Chapter 8. Query and Load performan
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When users complain about performan
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Use transaction SM21 to check your
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ST04, ST05 RSRT Find problem SQL DB
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cause could be any phase of the loa
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Additionally, we can get more infor
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Here you can see whether there is i
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Figure 8-10 STAD window Furthermore
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Double-click to go to the Single Re
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Alternatively, if temporary trace i
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If transfer time takes the most ela
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performance. Then rebuild them for
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Figure 8-16 shows the data provided
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To drill down to an individual exec
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oad map to determine the cause of t
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Analysis of the processing on the p
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Type in the query name that you wou
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Figure 8-24 RSRT RSDDSTAT Pressing
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transferred is greater than 10), th
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Figure 8-30 ST04 Explain output Sel
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Figure 8-31, Figure 8-32 on page 17
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Figure 8-33 Visual Explain - graphi
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The SAP Query Analysis Tool enables
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For join performance it is essentia
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Figure 8-39 Table /BIO/SSALESORG in
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The Index information tab shown in
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The SAP query visualizer gives you
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The graphical view is obtained by c
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► Table cardinalities and selecti
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The link between the objects as ind
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Chapter 9. SAP BI Accelerator 9 Thi
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9.2 Sizing BIA managed because only
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This is actually a BI 7.0 installat
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► SAP BI user ► SAP BI password
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Chapter 10. Tips for SQL efficiency
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Step 1 - Join Analysis Figure 10-2
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The second predicate joins "/BIC/AZ
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This step involves breaking apart t
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10.2 SQL efficiency for InfoCube No
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Within the WHERE clause, we first f
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With all table join relationships r
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This step involves breaking apart t
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is run on an empty table (dimension
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Table 10-2 Indexing options Column
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10.3.1 Index design for post-DSO ac
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For efficient join performance, it
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Chapter 11. Project Jupiter: large
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This very powerful combination of t
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► The BI Accelerator was installe
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the input files for the InfoCube lo
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11.3.1 SAP BI database The four mos
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On the other hand, the bufferpools
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Table 11-1 lists our Jupiter BI Acc
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atch work processes are available.
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(max_size=250,000,000, and max_spli
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Figure 11-5 shows that the average
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Objectives The goal for the multi-u
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Figure 11-9 shows that the average
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The SAP BI Accelerator with DB2 for
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After a successful run of the tool,
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Chapter 12. Concepts, activities, a
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► SAP compression This refers to
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where requested data is saved uncha
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All of these data differences requi
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12.5 Hierarchies SAP BI allows the
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SID Table SID Table SID Table An In
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12.7 Data load into InfoCube When d
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12.8.1 Aggregate example The conten
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Activating and filling In order to
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12.9 Compression of requests Data i
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The DSO objects can store the data
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Name Type Description /BIx/E Table
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Business Explorer SAP BW Server Sou
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Appendix A. Glossary for SAP BI A I
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aggregation level Selection of char
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asic characteristic and the target
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BI Java Connector One of a set of f
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oadcasting wizard Assistant that su
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BI Metadata Repository Manager Tool
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comparison column A write-protected
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supported by the data source, a hie
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member can be unique (it occurs onl
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Planning profiles are used to only
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Two query models are provided by th
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ResultSet API A set of interfaces t
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which contain a reference to planni
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tabular reporting Reporting based o
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Table A set of rows, also known as
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You want to structure the header se
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XML metadata interchange XML-based
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B Appendix B. SAP BI installation a
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SAP application servers ran on AIX
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Figure B-2 shows how the GUI SAPCL
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Appendix C. SAP BW OSS Notes This a
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General notes for SAP BI 935815 Que
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D Appendix D. Project Jupiter: eval
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DEVICE CU0B1080 MPCIPA LINK P17E18
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129.40.28.0 129.40.28.10 UHSb 0 0 e
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Table name Average row length Total
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Tables D-2 through D-5 show the set
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drwxr-xr-x 108 t11adm sapsys 4096 2
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Figure D-1 shows TREX Admin setting
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drwxr-xr-x 4 t11adm sapsys 2048 200
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BIC/NUMBER14 69 DECIMAL 17 3 N 4 N
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-rw-r--r-- 1 t11adm sapsys 2181036
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-rw-r--r-- 1 t11adm sapsys 36098 20
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Related publications IBM Redbooks T
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Help from IBM IBM Support and downl
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Index A ABAP Dictionary 115 access
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same record 98 Shortens RUNSTATS pr
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PSA record 267 attribute values 267
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Best Practices for SAP BI using DB2
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Best Practices for SAP BI using DB2
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Best Practices for SAP BI using DB2 9 for z/OS - IBM Redbooks

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