PeopleSoft for the DBA
description
Transcript of PeopleSoft for the DBA
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DBA Issues
• Connectivity• Two Data Dictionaries• Keys & Indexing• Tablespaces (Oracle)• Space Management (Oracle)• SQL Optimisation• Rollback Segments (Oracle)• Backup Considerations• Performance Metrics
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Connectivity
• What happens when you connect
• Usage of the word ‘database’
• Security
• Tracing
• PS/Query, Crystal & ODBC
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What happens when you connect?
• 2-tier Connection
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What happens when you connect?
Connect=H75D/PS/EXECUTE :1 := SQLCQR_LOGINCHECK(:2)SELECT OWNERID FROM PS.PSDBOWNER WHERE DBNAME = ‘H75D’SELECT OWNERID,TOOLSREL,TO_CHAR(LASTREFRESHDTTM,'YYYY-MM-
DD HH24:MI:SS'), TO_CHAR(LASTCHANGEDTTM,'YYYY-MM-DD HH24:MI:SS'), SECURITY_OPTION FROM SYSADM.PSLOCK
SELECT VERSION, OPRTYPE, OPERPSWD, ACCESSID, ACCESSPSWD FROM SYSADM.PSOPRDEFN WHERE OPRID = ‘PS’
Connect=H75D/SYSADM/SELECT TO_CHAR(SYSDATE,'YYYY-MM-DD HH24.MI.SS."000000"')
FROM PSCLOCKSELECT VERSION FROM PSLOCK
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What happens when you connect?
• 3-tier Connection
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What happens when you connect?
Connect=H75D/PS/COM Stmt=EXECUTE :1 := SQLCQR_LOGINCHECK(:2)Bind-1 type=18 length=2 value=0Bind-2 type=2 length=254 value=Stmt=SELECT OWNERID FROM PS.PSDBOWNER WHERE DBNAME = :1Bind-1 type=2 length=4 value=H75DStmt=SELECT OWNERID,TOOLSREL,TO_CHAR(LASTREFRESHDTTM,'YYYY-MM-DD
HH24:MI:SS'), TO_CHAR(LASTCHANGEDTTM,'YYYY-MM-DD HH24:MI:SS'), SECURITY_OPTION FROM SYSADM.PSLOCK
Stmt=SELECT VERSION, OPRTYPE, OPERPSWD, ACCESSID, ACCESSPSWD FROM SYSADM.PSOPRDEFN WHERE OPRID = :1
Bind-1 type=2 length=2 value=PSDisconnectConnect=H75D/SYSADM/Stmt=SELECT TO_CHAR(SYSDATE,'YYYY-MM-DD HH24.MI.SS."000000"') FROM
PSCLOCK
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Usage of the word ‘database’
• It is possible to have many ‘PeopleSoft’ databases in a single Oracle database
• Each PeopleSoft database resides in a single schema.
• Different PS databases have different schema.
• Not recommended for Oracle - Users in common between databases must have same passwords
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Usage of the word ‘database’
• It is possible to have many ‘PeopleSoft’ databases in a single SQL Server
• Limited to one SQL Server per NT machine.
• Different databases can exist in different SQL Server databases within the same sever.
• Same problem with users in common, they must share the same password
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Security
• PS database usually owned ‘sysadm’ or ‘sa’ – = root, sys, system– The password to this account is the key to
the kingdom.
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Tracing
• Tracing administered via configuration manager– i.e.. via registry
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PS/Query, Crystal & ODBC
• PS ODBC driver– Only defined
PS/Queries can be seen
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Two Data Dictionaries
• Database Data Dictionary
• PeopleSoft Data Dictionary
• DDDAudit
• SYSAudit
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Tools Table -v- DB Catalogue
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Audit Reports
• DDDAUDIT– Compares data dictionaries (not columns)
• SYSAUDIT– Referential Integrity of Tools Tables
• Remedies in PeopleBooks
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Keys & Indexing
• Implied from Record Definition– Key
– Duplicate
– List (not Tools 8)
– Alternate Search
– Descending
• User Specified
• Constraints
• Suppressing Index build
• Sparse Indexing
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Implied from Record Definition
• Key– Duplicate
• List (not Tools 8)• Alternate Search
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Field Attributes
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Key (Duplicate)
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Alternate Search
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List (not Tools 8)
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Descending Keys
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Search Dialogue
SELECT DISTINCT DEPTID, DESCR, COMPANY, LOCATION
FROM PS_DEPT_TBL
WHERE DEPTID LIKE ‘10%’
ORDER BY COMPANY, DEPTID
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Search Dialogue
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User Specified
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Constraints
• Unique– Implied by Unique Key Indexes
• Mandatory/Not Null• Referential Integrity?
– There aren’t any!
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Suppressing Index build
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Sparse Indexing (Oracle)
Not Required Data Required
PS SQL Type PS SQL
Blank Not Null CHAR No Blanks Not Null
(Initialises DB with Space)
Zero Not Null NUMERIC No Zero Not Null
(Initialises DB with Zero)
No Date Null DATE Valid Date Not Null
Blank Null LONG VAR No Blanks Not Null
• Dates can be NULL
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Tablespaces (Oracle)
• Installation Scripts• Temporary Tablespaces
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Temporary Tablespaces
• Create tablespace ‘ORATEMP’• Alter tablespace TEMPORARY
– can only contain temporary segment
– cannot contain any other object
– no redo logging
– alter temporary tablespace for all users
• Don’t do this to PSTEMP
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Space Management (Oracle/DB2)
• DDL models• Default -v- Override parameters• Feeding back reality
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DDL Models
• System-wide default storage options
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Parameters
• PeopleSoft Parameters– Square Brackets
• TBNAME, TBCOLLIST, IDXNAME, IDXCOLLIST, TBSPCNAME
• User Parameters– ** delimited
• Delivered (Oracle) INIT, NEXT, MAXEXT, PCT, INDEXSPC
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Default -v- Override parameters
• Overrides in application designer
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How is the DDL/Overrides stored?
• Space Model
• Default Parameters
• Record & Index Parameter Overrides
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DDL Model
• PSDDLMODELField Name Type Length Attributes Description
STATEMENT_TYPE Nbr 1 Key Statement Type1 = Table2 = Index3 = Unique Index4 = Tablespace
PLATFORMID Nbr 2 Key Platform ID0 = SQLBase1 = DB22 = Oracle3 = Informix4 = DB2/Unix5 = ALLBASE6 = Sybase7 = Microsoft8 = DB2/400
SIZING_SET Nbr 3 Key Sizing Set
PARMCOUNT Nbr 3 Parameter Count
MODEL_STATEMENT Long 0 Model SQL Statement
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Default Parameters
• PSDDLDEFPARMS
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Record Parameter Overrides
• PSRECDDLPARM
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Index Parameter Overrides
• PSIDXDDLPARM
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Two Data Dictionaries
• Compare– Database Catalogue
• USER_TABLES, USER_INDEXES
– PeopleTools• PSDDLDEFPARMS, PSRECDDLPARM,
PSIDXDDLPARM
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SQL Optimisation
• Tracing– Extract SQLcleanup.exe
– replay
• Mass Change/AE/Cobol• SQR
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Enabling Tracing
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Typical Trace Output
1-2285 0.861 Cur#1 RC=0 Dur=0.000 COM Stmt=SELECT VERSION, FIELDVALUE, TO_CHAR(EFFDT,'YYYY-MM-DD'), EFF_STATUS, XLATLONGNAME, XLATSHORTNAME, TO_CHAR(LASTUPDDTTM,'YYYY-MM-DD-HH24.MI.SS."000000"'), LASTUPDOPRID, FIELDNAME, LANGUAGE_CD, EFFDT FROM XLATTABLE WHERE FIELDNAME = :1 AND LANGUAGE_CD = :2 ORDER BY FIELDNAME, LANGUAGE_CD, FIELDVALUE, EFFDT
1-2286 0.000 Cur#1 RC=0 Dur=0.000 Bind-1 type=2 length=6 value=ACTION
1-2287 0.000 Cur#1 RC=0 Dur=0.000 Bind-2 type=2 length=3 value=ENG
1-2288 0.111 Cur#1 RC=0 Dur=0.000 COM Stmt=SELECT VERSION FROM PSLOCK
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SQLCLEANUP.EXE
SELECT VERSION,
FIELDVALUE,
TO_CHAR( EFFDT,
'YYYY-MM-DD' ),
EFF_STATUS,
XLATLONGNAME,
XLATSHORTNAME,
TO_CHAR( LASTUPDDTTM,
'YYYY-MM-DD-HH24.MI.SS."000000"' ),
LASTUPDOPRID,
FIELDNAME,
LANGUAGE_CD,
EFFDT
FROM XLATTABLE
WHERE FIELDNAME = :1
AND LANGUAGE_CD = :2
ORDER BY FIELDNAME, LANGUAGE_CD, FIELDVALUE, EFFDT
\
ACTION,ENG
/
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Mass Change/AE/SQR
• What you see in the code is what you get– All PS programs can be traced
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SQL Optimisation (Oracle)
• SQL_TRACE = TRUE;• Embed command• Trigger on processes via process scheduler
– PSPRCSRQST
• Set trace in session– 2-tier client is multithreaded
– Small Private Application server
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SQL_TRACE = TRUE;
• Initialisation Parameter
TIMED_STATISTICS = TRUE• In current session
ALTER SESSION SET SQL_TRACE=TRUE;• In another session
EXECUTE sys.dbms_system.set_sql_trace_in_session (<sid>,<serial#>,TRUE);
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Trigger for via process scheduler
• PSPRCSRQST
create or replace trigger sysadm.set_trace
before update of runstatus on sysadm.psprcsrqst
for each row
when (new.runstatus = 7 and old.runstatus != 7 and NOT new.prcstype IN(’Crystal’, ’PSJob’)
)
begin
sys.dbms_session.set_sql_trace(true);
end;
/
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Set trace in session
• 2-tier client is multithreaded• Small Private Application server
– EXECUTE sys.dbms_system.set_sql_trace_in_session (<sid>,<serial#>,TRUE);
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Backup Consideration
• Connected Processes– Application Server
– Process Scheduler
– Batch Programs
– 2-tier users
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Performance Metrics
• Process Scheduler Table– PSPRCSRQST
• Trigger to capture history
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PeopleSoft for the DBADavid KurtzGo-Faster Consultancy Ltd.
www.go-faster.co.uk