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

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| sql: | DELETE FROM DDSTORAGE | WHERE DBSYSABBR = 'DB2' | AND TABNAME = '/BIC/ADSOTEST00' | AND INDEXNAME = '' | DDL time(___7): .........3 milliseconds | sql: | CREATE TYPE 2 INDEX "/BIC/ADSOTEST00~01" ON "/BIC/ADSOTEST00" | ("/BIC/CALDAY" ) | USING STOGROUP BI9ODI PRIQTY 16 | SECQTY 40960 FREEPAGE 0 PCTFREE 10 | GBPCACHE CHANGED | BUFFERPOOL BP3 COPY NO | PIECESIZE 2097152 K | DDL time(___8): .......263 milliseconds | sql: | COMMIT WORK | DDL time(___9): .........3 milliseconds | sql: | DELETE FROM DDSTORAGE | WHERE DBSYSABBR = 'DB2' | AND TABNAME = '/BIC/ADSOTEST00' | AND INDEXNAME = '010' | DDL time(__10): .........1 milliseconds | Request for /BIC/ADSOTEST00 executed successfully ------------------------------------------------------------------------------- Example of SAP object log for index-controlled partitioning When converting a table from non-partitioned to partitioned, if you choose an index instead of table-controlled, then SAP creates DDL for index-controlled partitioning instead of table-controlled partitioning. See Example 7-5. Example 7-5 SAP Object log from the partitioning of a table using an index DB-TABL-BID-ADSOTEST00 ------------------------------------------------------------------------------- | Request: Delete and recreate Table /BIC/ADSOTEST00 (CARDOSO/04.04.07/15:57) | Process: sap02_2 | Enhancement category for table missing | Test activation of Table /BIC/ADSOTEST00 successful | Activation and DDL statements for Table /BIC/ADSOTEST00 required |----------------------------------------------------------------------------- | Activate table /BIC/ADSOTEST00 (CARDOSO/04.04.07/15:57) | Enhancement category for table missing |----------------------------------------------------------------------------- | Activate dependent table type /BIC/WADSOTEST00 128 Best Practices for SAP BI using DB2 9 for z/OS
| Table type /BIC/WADSOTEST00 was activated | sql: | DROP TABLE "/BIC/ADSOTEST00" +LOCATION | DDL time(___1): ........52 milliseconds | sql: | CREATE TABLESPACE ADSOTESX IN OD20X9ZF | USING STOGROUP BI9ODD PRIQTY 12 | SECQTY 6827 FREEPAGE 0 PCTFREE 20 | GBPCACHE CHANGED COMPRESS NO | LOCKPART NO DSSIZE 4 G NUMPARTS 6 ( | PART 1 USING STOGROUP BI9ODD , | PART 2 USING STOGROUP BI9ODD , | PART 3 USING STOGROUP BI9ODD , | PART 4 USING STOGROUP BI9ODD , | PART 5 USING STOGROUP BI9ODD , | PART 6 USING STOGROUP BI9ODD ) | BUFFERPOOL BP2 LOCKSIZE ROW | LOCKMAX 1000000 CCSID UNICODE | CREATE TABLE "/BIC/ADSOTEST00" | ("/BIC/VERSION" VARGRAPHIC (000003) NOT NULL | DEFAULT ' ' , | "/BIC/SOLD_TO" VARGRAPHIC (000010) NOT NULL | DEFAULT ' ' , | "/BIC/SALESORG" VARGRAPHIC (000004) NOT NULL | DEFAULT ' ' , | "/BIC/VTYPE" VARGRAPHIC (000003) NOT NULL | DEFAULT '000' , | "/BIC/DISTR_CHAN" VARGRAPHIC (000002) NOT NULL | DEFAULT ' ' , | "/BIC/DIVISION" VARGRAPHIC (000002) NOT NULL | DEFAULT ' ' , | "/BIC/MATERIAL" VARGRAPHIC (000018) NOT NULL | DEFAULT ' ' , | "/BIC/CALDAY" VARGRAPHIC (000008) NOT NULL | DEFAULT '00000000' , | "/BIC/FISCVARNT" VARGRAPHIC (000002) NOT NULL | DEFAULT ' ' , | "/BIC/STAT_CURR" VARGRAPHIC (000005) NOT NULL | DEFAULT ' ' , | "/BIC/BASE_UOM" VARGRAPHIC (000003) NOT NULL | DEFAULT ' ' , | "/BIC/INCORDVAL" DECIMAL (000017,000002) NOT NULL | DEFAULT 0 , | "/BIC/INVCD_VAL" DECIMAL (000017,000002) NOT NULL | DEFAULT 0 , | "/BIC/OPORDVALSC" DECIMAL (000017,000002) NOT NULL | DEFAULT 0 , | "/BIC/RTNSVAL" DECIMAL (000017,000002) NOT NULL | DEFAULT 0 , Chapter 7. Best practices for DataStore 129
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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
Page 96 and 97: After selecting at least one time d
Page 98 and 99: 6.2.1 Repartitioning implementation
Page 100 and 101: You will then be presented with a w
Page 102 and 103: From within the monitor you are abl
Page 104 and 105: Once your repartitioning process is
Page 106 and 107: Figure 6-14 is displayed once you h
Page 108 and 109: When you remodel an InfoProvider yo
Page 110 and 111: Figure 6-17 demonstrates how you wo
Page 112 and 113: At this step of the process you are
Page 114 and 115: 6.3.2 Benefits of remodeling InfoPr
Page 116 and 117: 6.4.3 Cumulative data versus non-cu
Page 118 and 119: Important: After the initial compre
Page 120 and 121: ► Use DPSIs for the cube’s E- f
Page 122 and 123: 7.1 Differences between DataStore a
Page 124 and 125: Figure 7-1 shows the initial status
Page 126 and 127: 4. By selecting the Create button,
Page 128 and 129: Partitioning and clustering are bot
Page 130 and 131: 7.4.2 Choosing and changing the clu
Page 132 and 133: 7.4.4 Partitioning a DataStore obje
Page 134 and 135: From the ABAP Dictionary: Utility f
Page 136 and 137: Figure 7-9 DB2/390 Storage Attribut
Page 138 and 139: partitioning was used. The CREATE T
Page 140 and 141: , "/BIC/RECORDMODE" POSITION( 00289
Page 142 and 143: Upon completion of the job, you wil
Page 144 and 145: | "/BIC/DIVISION" VARGRAPHIC (00000
Page 148 and 149: | "/BIC/CRMEM_VAL" DECIMAL (000017,
Page 150 and 151: | DDL time(___8): .........4 millis
Page 152 and 153: 134 Best Practices for SAP BI using
Page 154 and 155: 8.1 Troubleshooting general system
Page 156 and 157: You need to ascertain: ► Which us
Page 158 and 159: Further information about the subje
Page 160 and 161: 8.2 Analyzing load performance In t
Page 162 and 163: We use transaction ST03 → Expert
Page 164 and 165: Click the Details tab of the RSMO w
Page 166 and 167: Select the component of interest to
Page 168 and 169: Figure 8-11 All statistical records
Page 170 and 171: Figure 8-13 Single statistical reco
Page 172 and 173: Loading from a flat file You can av
Page 174 and 175: and right-click to select the Simul
Page 176 and 177: Note: You must activate the saving
Page 178 and 179: 5. In the right-hand panel of the w
Page 180 and 181: If your query has long run times th
Page 182 and 183: that the query runs against → Mai
Page 184 and 185: If the main component of query perf
Page 186 and 187: ► Display Statistics Data (to sho
Page 188 and 189: Select the appropriate button, ente
Page 190 and 191: Figure 8-29 Statement details To ch
Page 192 and 193: The ratio (ST04 statement cache “
Page 194 and 195: 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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Crystal Reports Designer Design com
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Similar to the OLAP-standard term c
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P table Master data table for time-
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The process instance contains the m
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Relational Query Model An abstracti
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SAP Business Information Warehouse
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source object element Component of
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elements to be displayed in the Web
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Web application object catalog Web
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You insert one or more queries in t
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IT scenario The environment we used
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Checks under z/OS and DB2 We recomm
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To check that the SAPCL procedure w
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List of SAP BW OSS Notes Table C-1
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SAP BI on DB2 for z/OS 390016 BW Da
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Network configuration: static multi
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START CU091060 START CU0A1070 START
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Table name Average row length Total
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Table name Average row length Total
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Parameters BPK16K0 BPK16K1 VIRTUAL
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drwxr-xr-x 3 t11adm sapsys 2048 200
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Example D-6 shows a cube index crea
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B49/S_RTNSVAL 24 DECIMAL 17 2 N 4 N
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-rw-r--r-- 1 t11adm sapsys 2084482
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-rw-r--r-- 1 t11adm sapsys 547449 2
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Online resources These Web sites ar
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Help from SAP SAP Support and downl
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C Candidates for partiioning Data W
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M master data 155, 211, 258, 277 si
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star schema 265-266 also see InfoCu
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Best Practices for SAP BI using DB2
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