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

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-rw-r--r-- 1 t11adm sapsys 36098 2007-08-10 12:45 attribute_$bic$counter05.bin -rw-r--r-- 1 t11adm sapsys 64187 2007-08-10 12:45 attribute_$b49$s_rtnsqty.bin -rw-r--r-- 1 t11adm sapsys 312464 2007-08-10 12:45 attribute_$b49$s_incordqty.bin -rw-r--r-- 1 t11adm sapsys 24322 2007-08-10 12:45 attribute_$bic$counter11.bin -rw-r--r-- 1 t11adm sapsys 56610 2007-08-10 12:45 attribute_$bic$counter06.bin -rw-r--r-- 1 t11adm sapsys 58074 2007-08-10 12:45 attribute_$bic$counter12.bin -rw-r--r-- 1 t11adm sapsys 6618 2007-08-10 12:45 attribute_$bic$counter07.bin -rw-r--r-- 1 t11adm sapsys 13290 2007-08-10 12:45 attribute_$bic$counter13.bin -rw-r--r-- 1 t11adm sapsys 52746 2007-08-10 12:45 attribute_$bic$counter08.bin -rw-r--r-- 1 t11adm sapsys 15858 2007-08-10 12:45 attribute_$bic$counter14.bin -rw-r--r-- 1 t11adm sapsys 57114 2007-08-10 12:45 attribute_$bic$counter09.bin -rw-r--r-- 1 t11adm sapsys 4818 2007-08-10 12:45 attribute_$bic$counter15.bin -rw-r--r-- 1 t11adm sapsys 56035 2007-08-10 12:45 attribute_$bic$quan01.bin -rw-r--r-- 1 t11adm sapsys 33886 2007-08-10 12:45 attribute_$bic$quan02.bin -rw-r--r-- 1 t11adm sapsys 67441 2007-08-10 12:45 attribute_$bic$quan03.bin -rw-r--r-- 1 t11adm sapsys 57880 2007-08-10 12:45 attribute_$bic$quan04.bin -rw-r--r-- 1 t11adm sapsys 81661 2007-08-10 12:45 attribute_$bic$quan10.bin -rw-r--r-- 1 t11adm sapsys 35785 2007-08-10 12:45 attribute_$bic$quan05.bin -rw-r--r-- 1 t11adm sapsys 77588 2007-08-10 12:45 attribute_$bic$quan11.bin -rw-r--r-- 1 t11adm sapsys 101134 2007-08-10 12:45 attribute_$bic$quan06.bin -rw-r--r-- 1 t11adm sapsys 102855 2007-08-10 12:45 attribute_$bic$quan12.bin -rw-r--r-- 1 t11adm sapsys 87969 2007-08-10 12:45 attribute_$bic$quan07.bin -rw-r--r-- 1 t11adm sapsys 63103 2007-08-10 12:45 attribute_$bic$quan13.bin -rw-r--r-- 1 t11adm sapsys 74679 2007-08-10 12:45 attribute_$bic$quan08.bin -rw-r--r-- 1 t11adm sapsys 98341 2007-08-10 12:45 attribute_$bic$quan14.bin -rw-r--r-- 1 t11adm sapsys 51910 2007-08-10 12:45 attribute_$bic$quan09.bin -rw-r--r-- 1 t11adm sapsys 87323 2007-08-10 12:45 attribute_$bic$quan15.bin -rw-r--r-- 1 t11adm sapsys 78057 2007-08-10 12:45 attribute_$b49$s_rtnsval.bin -rw-r--r-- 1 t11adm sapsys 547449 2007-08-10 12:45 attribute_$b49$s_incordval.bin -rw-r--r-- 1 t11adm sapsys 52276 2007-08-10 12:45 attribute_$b49$s_rtnscst.bin -rw-r--r-- 1 t11adm sapsys 547449 2007-08-10 12:45 attribute_$b49$s_incordcst.bin -rw-r--r-- 1 t11adm sapsys 12991 2007-08-10 12:45 AttributeStore.ini t11adm@jup00 1:/gpfs/fs1/T11/TRX00/index/nap_bic/fzjb_07_11~23/en/attributes> Appendix D. Project Jupiter: evaluation details 345
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Best Practices for SAP BI using DB2
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Note: Before using this information
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4.4 Extended sparse index and in-me
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11.3 SAP BI database and InfoCube l
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viii Best Practices for SAP BI usin
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Trademarks The following terms are
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The team that wrote this IBM Redboo
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Thanks to these authors from the Pr
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► Send your comments in an e-mail
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1.1 Product overview The business w
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In general, database administrators
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► Horizontal growth is achieved b
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8 Best Practices for SAP BI using D
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2.1 BI architecture Figure 2-1 show
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New term Old term Analysis authoriz
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negative values means missing stati
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- When calculating database statist
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If you specify a partitioning schem
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Important: Never partition a PSA ta
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Figure 2-10 DPSIs versus NPSIs Figu
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Finally, Figure 2-12 explains which
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Figure 2-14 shows how the snowflake
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► Realignment This refers to the
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3.1 Base recommendations - SAP BI i
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the F- fact table, the E- fact tabl
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34 Best Practices for SAP BI using
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4.1 Dynamic index ANDing for star s
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Figure 4-2 and Figure 4-3 on page 3
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4.2.1 Processing RUNSTATS for BI ta
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RUNSTATS will then be called over t
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DSNU610I -DB2T 081 16:36:03.85 DSNU
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Often the single-value based freque
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Several things worth noting are:
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The unit of a value specified to MX
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condition, generated by SAP BI upon
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There is a separate IBM Redbooks pu
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5.1 Load PSA In this section we dis
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5.1.1 Load PSA To load data into th
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After the source system, the DataSo
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Note the available tabs (registers)
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Figure 5-8 shows the provided optio
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Figure 5-10 shows the following:
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The PSA table name is created autom
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5.1.4 PSA partitioning Partitioning
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An InfoCube, whether data target or
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6.1 Types of InfoCubes Data targets
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After selecting at least one time d
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6.2.1 Repartitioning implementation
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You will then be presented with a w
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From within the monitor you are abl
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Once your repartitioning process is
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Figure 6-14 is displayed once you h
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When you remodel an InfoProvider yo
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Figure 6-17 demonstrates how you wo
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At this step of the process you are
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6.3.2 Benefits of remodeling InfoPr
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6.4.3 Cumulative data versus non-cu
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Important: After the initial compre
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► Use DPSIs for the cube’s E- f
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7.1 Differences between DataStore a
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Figure 7-1 shows the initial status
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4. By selecting the Create button,
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Partitioning and clustering are bot
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7.4.2 Choosing and changing the clu
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7.4.4 Partitioning a DataStore obje
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From the ABAP Dictionary: Utility f
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Figure 7-9 DB2/390 Storage Attribut
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partitioning was used. The CREATE T
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, "/BIC/RECORDMODE" POSITION( 00289
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Upon completion of the job, you wil
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| "/BIC/DIVISION" VARGRAPHIC (00000
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| sql: | DELETE FROM DDSTORAGE | WH
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| "/BIC/CRMEM_VAL" DECIMAL (000017,
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| DDL time(___8): .........4 millis
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8.1 Troubleshooting general system
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You need to ascertain: ► Which us
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Further information about the subje
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8.2 Analyzing load performance In t
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We use transaction ST03 → Expert
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Click the Details tab of the RSMO w
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Select the component of interest to
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Figure 8-11 All statistical records
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Figure 8-13 Single statistical reco
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Loading from a flat file You can av
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and right-click to select the Simul
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Note: You must activate the saving
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5. In the right-hand panel of the w
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If your query has long run times th
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that the query runs against → Mai
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If the main component of query perf
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► Display Statistics Data (to sho
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Select the appropriate button, ente
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Figure 8-29 Statement details To ch
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The ratio (ST04 statement cache “
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Figure 8-32 Visual Explain - SQL te
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8.5 SAP Query Analysis Tool The SAP
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Display of sql access path SQL quer
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The access path is displayed hierar
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The table information tab shown in
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DB2 Plan Table Figure 8-42 DB2 plan
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Graphical view of each query block
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Now you see the graphical view of t
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8.5.4 Example of using the query an
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9.1 The BIA architecture Figure 9-1
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Figure 9-2 BIA t-shirt sizing The B
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From the hardware side, the BIA is
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9.7 Overview The improvement of the
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10.1 SQL efficiency for DSO Queries
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The first join predicate is "/BIC/A
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Figure 10-5 Associate local predica
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Step 3 is repeated for each master
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Using the InfoCube query example in
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The first join predicate in Figure
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Thus, we have broken down the origi
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Figure 10-14 Comparing filtering Th
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AND "/BIC/AZOSASALE00"."PLANT" = "/
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Column Local or join CALMONTH Local
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10.4 Indexing of InfoCubes The defa
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11.1 Background To be more competit
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11.2.1 Hardware and software config
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11.2.2 Network infrastructure IBM S
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the chassis for blade-to-blade conn
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As part of the pre-benchmark planni
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11.4 Test case scenarios The goal o
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Figure 11-3 explains the data flow
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In addition, each cube, especially
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Measurement results Table 11-2 prov
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Figure 11-7 shows the average CPU u
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The number of queries per hour show
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Figure 11-10 shows that the average
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11.5.1 Recommendations for configur
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12.1 Terminology: BI objects and pr
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Metadata plays a fundamental role i
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12.3 Dataflow in SAP BI Data flow i
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12.4 Information access As previous
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Predecessor Successor WW Sales Euro
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An InfoCube in SAP BI can have up t
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12.8 Aggregates 4. The dimension ta
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The next example is an aggregate th
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For example, assume that different
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can be updated into InfoCubes or ot
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Figure 12-11 shows the steps that o
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Figure 12-12 on page 279 shows the
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The content, depicted in Figure 12-
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considerably more data records are
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The nodes stand for data sources, t
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values, hierarchies, hierarchy node
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BI SAP Query Connector A resource a
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Business Intelligence Cockpit Web-b
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processors in terms of macros that
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Page 334 and 335: IT scenario The environment we used
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Page 338 and 339: To check that the SAPCL procedure w
Page 340 and 341: List of SAP BW OSS Notes Table C-1
Page 342 and 343: SAP BI on DB2 for z/OS 390016 BW Da
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Page 348 and 349: Table name Average row length Total
Page 350 and 351: Table name Average row length Total
Page 352 and 353: Parameters BPK16K0 BPK16K1 VIRTUAL
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Page 356 and 357: Example D-6 shows a cube index crea
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Page 366 and 367: Online resources These Web sites ar
Page 368 and 369: Help from SAP SAP Support and downl
Page 370 and 371: C Candidates for partiioning Data W
Page 372 and 373: M master data 155, 211, 258, 277 si
Page 374 and 375: star schema 265-266 also see InfoCu
Page 376: Best Practices for SAP BI using DB2
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