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Chapter 13: Database Administration – Microsoft SQL ServerDatabase Error LogsYou can view the database error logs from within R/3 using transaction ST04. For moreinformation on database error logs, see the Database Performance Analysis (ST04) sectionearlier in this chapter.1. From the NT desktop, choose Start → Programs → Microsoft SQL Server 7.0 → Enterprise Manager.In the Enterprise Manager:2. Expand the SQL Server Groupunder which your server islocated.3. Expand the server where the R/3system is installed.4. Expand Management.5. Expand the SQL Server Logs.23456. Select the Current log.Here, you can also look at the sixprevious error logs.7. Read the log in the right-hand sidewindow.7613–28Release 4.6A/B
Chapter 13: Database Administration – Microsoft SQL ServerVerify Database ConsistencyIn a database management system, consistency can be represented from the logical andphysical levels. R/3 must insure a logical consistency when communicating with the SQLServer engine, and SQL Server must insure a physical consistency for the database.Sometimes a physical inconsistency can occur in the database’s internal structures. Thisproblem occurs when R/3 “thinks” the data is, and where the data actually is, in thedatabase are different.SQL Server uses the DBCC CHECKDB command to correct and repair the database to aconsistent state. This is executed using: CCMS Scheduling calendar (DB13) The SQL Server Enterprise ManagerThe consistency checks should be done during non-peak hours or when R/3 users areoffline. For those coming from SQL Server 6.5 environments, SQL Server 7.0 executes theDBCC CHECKDB job much faster than SQL Server 6.5.Database objects statistics help make data access more efficient.The optimizer of the database engine will perform better if the table index’s statisticalinformation is current. This information helps R/3 find an item in the database faster.By default, SQL Server 7.0 has automatic statistics turned on. The possibility of manuallyscheduling update statistics using the CCMS scheduling calendar still exists. Examples ofwhen this scheduling might be necessary after large data inserts or deletes from a giventable (for example, client copy, BDC sessions, and archiving).System Administration Made Easy13–29
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System Administration Made Easyiii
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What Is This Guidebook About?......
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Detailed Table of ContentsWhen the
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Detailed Table of ContentsStarting
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Detailed Table of ContentsDefine Fi
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Detailed Table of ContentsHousekeep
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Detailed Table of ContentsEnter the
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Detailed Table of ContentsOther....
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The combined experience in SAP and
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What Is This Guidebook About? .....
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IntroductionWho Should Read This Bo
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IntroductionHow to Use This Guidebo
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IntroductionSpecial IconsThe screen
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Overview ..........................
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Chapter 1: R/3 System Administratio
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Chapter 2: Disaster RecoveryWhy Pla
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Chapter 2: Disaster RecoveryTest yo
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Chapter 3: Backup and RecoveryPerfo
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Starting the R/3 System............
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Chapter 9: Multi-Role TasksStarting
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Chapter 9: Multi-Role TasksStopping
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Overview ..........................
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Chapter 11: Security Administration
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Chapter 16: OperationsBackupsA full
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Table Maintenance (Transaction SM31
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Chapter 19: PerformanceGeneral Proc
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Useful Transactions................
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Appendix A: Useful TransactionsUsef
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Other System Administration Resourc
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Appendix B: Useful Resources and Pr
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Overview ..........................
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Appendix C: Useful SAP NotesR/3 Not
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Appendix C: Useful SAP NotesR/3 Not
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Appendix C: Useful SAP NotesOperati
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Appendix C: Useful SAP NotesDatabas
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Upgrade Discussion ................
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Appendix D: Upgrade DiscussionUpgra
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AABAPdump analysisfree selection, 1
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Indexweekly tasksdatabase, 5-3notes
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IndexMMaintenancebasic, 23-4contrac
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IndexRestorereasons for, 3-2strateg
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Indexrecordation, 1-7single points
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Indexnotes, 5-4operating system, 5-
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