Example 7: CHECK DATA for RI violations in a table space set
As CHECK PLUS reads pages from the table space for RI checking, it performs no intrapage and interpage checks on those pages. As CHECK PLUS reads pages from indexes for RI checking, it performs index level 1 checking on those pages. No checks are made for an index to data row consistency.
The job reports one table check constraint violation in message BMC52606I, identifies the constraint having the violation in message BMC52476, and details the violation in message BMC52471I. Additional BMC52606I messages report nine RI exceptions in this job. Because of the Db2-defined RI errors, the utility sets CHKP status and completes with return code 4.
Message 50041I indicates the status of zIIP processing. For this example, the ZIIP installation option is ENABLED, but an XBM subsystem was not specified. CHECK PLUS automatically located an available XBM subsystem to provide zIIP processing. The discard data set, produced in KEY format, can be processed by a user-supplied program to delete the rows that are in violation.
Command options for example 7
Command options used in JCL | Description |
---|---|
TABLESPACESET | Checks all referential constraint relationships and table-check constraints in a relational set. |
DISCARDFMT KEY | Produces the key for each row with an RI violation, including duplicate violations. |
SCOPE ALL | Checks all rows of all specified tables. |
CHECKIXLEVEL 1 | Performs checks on index header pages, space map pages, and root and leaf pages in the index. |
CHECKTSLEVEL 0 | Performs no checks on table space pages other than those performed normally when CHECK PLUS reads rows from the specified table space. |
DDL to create the additional table space checked in example 7
CREATE TABLESPACE ACKRITS3 IN ACKRIDB1
USING STOGROUP ACKRISG1
PRIQTY 10
SECQTY 10
ERASE NO
FREEPAGE 0
PCTFREE 0
BUFFERPOOL BP0
LOCKSIZE PAGE
CLOSE YES
CCSID EBCDIC
SEGSIZE 64;
COMMIT
;
CREATE TABLE ACK.ACKRITB3
(COL01_CHAR_2 CHAR(2) NOT NULL WITH DEFAULT
,COL02_CHAR_2 CHAR(2) NOT NULL WITH DEFAULT
,COL03_CHAR_2 CHAR(2) NOT NULL WITH DEFAULT
,COL04_CHAR_2 CHAR(2) NOT NULL WITH DEFAULT
,COL05_CHAR_2 CHAR(2) NOT NULL WITH DEFAULT
,COL06_CHAR_2 CHAR(2) NOT NULL WITH DEFAULT
,COL07_CHAR_2 CHAR(2) NOT NULL WITH DEFAULT
,COL08_CHAR_2 CHAR(2) NOT NULL WITH DEFAULT
,COL09_CHAR_2 CHAR(2) NOT NULL WITH DEFAULT
,COL10_CHAR_2 CHAR(2) NOT NULL WITH DEFAULT
,COL11_CHAR_2 CHAR(2) NOT NULL WITH DEFAULT
,COL12_CHAR_2 CHAR(2) NOT NULL WITH DEFAULT
)
IN ACKRIDB1.ACKRITS3
CCSID EBCDIC;
COMMIT
;
ALTER TABLE ACK.ACKRITB3
ADD FOREIGN KEY EX6T1FK2 ( COL01_CHAR_2, COL02_CHAR_2)
REFERENCES ACK.ACKRITB2;
COMMIT;
JCL for example 7
//*===================================================================
//*==== CHECK DATA for RI violations in a table space set ====
//*================================================================*
//* Use your DB2 subsystem name inplace of "DB2SYS" parm parameter. *
//* Use your DB2 product install libraries for STEPLIBS ; *
//* PRODUCT.LIBRARIES *
//* DB2.DSNEXIT *
//* DB2.DSNLOAD *
//*================================================================*
//CHECK07 EXEC PGM=ACKUMAIN,
// PARM=(DB2SYS,ACKEX07,NEW,,'MSGLEVEL(1)')
//STEPLIB DD DISP=SHR,DSN=PRODUCT.LIBRARIES
// DD DISP=SHR,DSN=DB2.DSNEXIT
// DD DISP=SHR,DSN=DB2.DSNLOAD
//SYSIN DD *
CHECK DATA TABLESPACESET ACKRIDB1.ACKRITS3
DISCARDFMT KEY
SCOPE ALL
CHECKIXLEVEL 1
CHECKTSLEVEL 0
/*
//SYSPRINT DD DSN=ACK.EXAMPL07.SYSPRINT,
// UNIT=SYSDA,SPACE=(CYL,(1,1)),DISP=(NEW,CATLG)
//UTPRINT DD SYSOUT=*
//SYSDISC DD DSN=ACK.EXAMPL07.SYSDISC,
// DISP=(NEW,CATLG,CATLG),
// UNIT=SYSDA,SPACE=(CYL,(1,1))
//SYSERR DD DSN=ACK.EXAMPL07.SYSERR,
// DISP=(NEW,CATLG,CATLG),
// UNIT=WORK,SPACE=(CYL,(1,1))
//SORTWK01 DD DSN=ACK.EXAMPL07.SORTWK01,
// DISP=(NEW,DELETE,DELETE),
// UNIT=WORK,SPACE=(CYL,(2,1),RLSE)
//SORTWK02 DD DSN=ACK.EXAMPL07.SORTWK02,
// DISP=(NEW,DELETE,DELETE),
// UNIT=WORK,SPACE=(CYL,(2,1),RLSE)
//SORTWK03 DD DSN=ACK.EXAMPL07.SORTWK03,
// DISP=(NEW,DELETE,DELETE),
// UNIT=WORK,SPACE=(CYL,(2,1),RLSE)
//SORTWK04 DD DSN=ACK.EXAMPL07.SORTWK04,
// DISP=(NEW,DELETE,DELETE),
// UNIT=WORK,SPACE=(CYL,(2,1),RLSE)
//SORTWK05 DD DSN=ACK.EXAMPL07.SORTWK05,
// DISP=(NEW,DELETE,DELETE),
// UNIT=WORK,SPACE=(CYL,(2,1),RLSE)
//SORTWK06 DD DSN=ACK.EXAMPL07.SORTWK06,
// DISP=(NEW,DELETE,DELETE),
// UNIT=WORK,SPACE=(CYL,(2,1),RLSE)
//SORTWK07 DD DSN=ACK.EXAMPL07.SORTWK07,
// DISP=(NEW,DELETE,DELETE),
// UNIT=WORK,SPACE=(CYL,(2,1),RLSE)
//SORTWK08 DD DSN=ACK.EXAMPL07.SORTWK08,
// DISP=(NEW,DELETE,DELETE),
// UNIT=WORK,SPACE=(CYL,(2,1),RLSE)
//SORTWK09 DD DSN=ACK.EXAMPL07.SORTWK09,
// DISP=(NEW,DELETE,DELETE),
// UNIT=WORK,SPACE=(CYL,(2,1),RLSE)
//SORTWK10 DD DSN=ACK.EXAMPL07.SORTWK10,
// DISP=(NEW,DELETE,DELETE),
// UNIT=WORK,SPACE=(CYL,(2,1),RLSE)
//SORTWK11 DD DSN=ACK.EXAMPL07.SORTWK11,
// DISP=(NEW,DELETE,DELETE),
// UNIT=WORK,SPACE=(CYL,(2,1),RLSE)
//SORTWK12 DD DSN=ACK.EXAMPL07.SORTWK12,
// DISP=(NEW,DELETE,DELETE),
// UNIT=WORK,SPACE=(CYL,(2,1),RLSE)
SYSPRINT for example 7
(C) COPYRIGHT 1993 - 2022 BMC SOFTWARE, INC.
CHECK PLUS TECHNOLOGY IS PROTECTED BY ONE OR MORE OF THE FOLLOWING U.S. PATENTS: 5,579,515 AND 6,163,783
-BMC50001I UTILITY EXECUTION STARTING 3/20/2022 23:04:16 ...
BMC50002I UTILITY ID = 'ACKEX07'. DB2 SUBSYSTEM ID = 'DEJM'. OPTION MODULE = 'ACK$OPTS'.
BMC50471I z/OS 2.4.0,PID=HBB77C0,DFSMS FOR Z/OS=2.4.0,DB2=12.1.510
BMC50471I REGION=0M,BELOW 16M=8.5M,ABOVE 16M=1,003.9M,IEFUSI=NO,CPUs=7,GPs=5,zIIPs=2
BMC50471I MEMLIMIT=15.9E,AVAILABLE=15.9E,MEMLIMIT SET BY:REGION=0
BMC50471I SMFID=DB2B,JOBID=J0248681,JOB=ACKEX07,STEP=CHECK07,CPU=8561-615 (z15)/1.71,76.0G
0
BMC50471I CHECK PLUS FOR DB2--V13.01.00 BASE
BMC50471I NO MAINTENANCE TO REPORT
BMC50471I DB2 UTILITIES COMMON CODE--V13.01.00 BASE
BMC50471I NO MAINTENANCE TO REPORT
BMC50471I SOLUTION COMMON CODE--V13.01.00 BASE
BMC50471I MAINT: BPJ1541 BPJ1713 BPJ2211
BMC50471I BMCSORT ENGINE--V02.04.01
BMC50471I MAINT: BPJ0691 BPJ0718 BPJ0881 BPJ0922 BPJ0996 BPJ1164 BPJ1309 BPJ1386 BPJ1497 BPJ1594 BPJ1724 BPJ1809
BMC50471I BPJ1833 BPJ1891 BPJ1905 BPJ2109 BPJ2232 BPJ2297
BMC50471I BMC STATS API--V13.01.00 BASE
BMC50471I NO MAINTENANCE TO REPORT
BMC50471I EXTENDED BUFFER MANAGER--V06.02.01
BMC50471I MAINT: BPE0443 BPE0445 BPE0447 BPE0449 BPE0450 BPE0451 BPE0452 BPE0455 BPE0456 BPE0457 BPE0460 BPE0463
BMC50471I BPE0467 BPE0468 BPE0469 BPE0473 BPE0474 BPE0475 BPE0479 BPE0480 BPE0482 BPE0487 BPE0488 BPE0489
BMC50471I BPE0493 BPE0497 BPE0498 BPE0501 BPE0503 BPE0507 BPE0512 BPE0513 BPE0517 BPE0518 BPE0519 BPE0523
BMC50471I BPE0524 BPE0527 BPE0528 BPE0530 BPE0531 BPE0534 BPE0535 BPE0540 BPE0541 BPE0542 BPE0545 BPE0549
BMC50471I BPE0551 BPE0552 BPE0555 BPE0556 BPE0557 BPE0560
0
BMC50471I DRNDELAY=3 LOADDECP=NO SQLDELAY=3
BMC50471I DRNRETRY=10 LOCKROW=YES SQLRETRY=100
BMC50471I DRNWAIT=NONE MAXP=5 UXSTATE=SUP
BMC50471I DSER=NO MSGLEVEL=1 WBUFFS=20
BMC50471I DSPLOCKS=NONE OPNDB2ID=YES WORKUNIT=SYSALLDA
BMC50471I FILECHK=WARN PLAN=ACK1310T XBLKS=3
BMC50471I FORCE_AT=(START,3) SMAX=16 ZIIP=ENABLED
BMC50471I FORCE_RPT=NO SMCORE=(0K,0K)
BMC50471I FORCE=NONE SORTNUM=32
0
BMC50471I DB2 DSNHDECP MODULE SETTINGS:
BMC50471I VERSION = 1210
BMC50471I SUBSYSTEM DEFAULT = DEJM
BMC50471I CHARACTER SET = ALPHANUM
BMC50471I DATE FORMAT = USA
BMC50471I TIME FORMAT = USA
BMC50471I LOCAL DATE LENGTH = 0
BMC50471I LOCAL TIME LENGTH = 0
BMC50471I DECIMAL POINT = PERIOD
BMC50471I DECIMAL ARITHMETIC = 15
BMC50471I DELIMITER = DEFAULT
BMC50471I SQL DELIMITER = DEFAULT
BMC50471I ENCODING SCHEME = EBCDIC
BMC50471I APPL. ENCODING SCHEME = EBCDIC
BMC50471I MIXED = NO
BMC50471I EBCDIC CCSID = (37,65534,65534)
BMC50471I ASCII CCSID = (819,65534,65534)
BMC50471I UNICODE CCSID = (367,1208,1200)
BMC50471I IMPLICIT TIME ZONE = CURRENT (-05:00)
BMC50658I DB2 CURRENT FUNCTION LEVEL IS V12R1M509
BMC50659I DB2 CATALOG LEVEL IS V12R1M509
BMC50660I DB2 HIGHEST ACTIVATED FUNCTION LEVEL IS V12R1M509
BMC50661I DB2 CODE LEVEL IS V12R1M510
BMC50471I BMC_BMCUTIL ='BMCUTIL.CMN_BMCUTIL'
BMC50471I BMC_BMCSYNC ='BMCUTIL.CMN_BMCSYNC'
BMC50471I BMC_BMCHIST ='BMCUTIL.CMN_BMCHIST'
BMC50471I BMC_BMCRELS ='ACKIB2.BMCRELS'
BMC50471I BMC_BMCFKEY ='ACKIB2.BMCFKEY'
BMC50471I BMC_BMCPKEY ='ACKIB2.BMCPKEY'
BMC50471I BMC_BMCKEYS ='ACKIB2.BMCKEYS'
0
0
BMC50102I CHECK DATA TABLESPACESET ACKRIDB1.ACKRITS3
BMC50102I DISCARDFMT KEY
BMC50102I SCOPE ALL
BMC50102I CHECKIXLEVEL 1
BMC50102I CHECKTSLEVEL 0
BMC52691I TABLESPACE SET REPORT
BMC52692I TABLESPACE TABLE DEPENDENT TABLE CONSTRAINT
BMC52694I CREATOR NAME CREATOR NAME
BMC52693I ACKRIDB1.ACKRITS3 ACK ACKRITB3
BMC52693I ACKRIDB1.ACKRITS2 ACK ACKRITB2 ACK ACKRITB3 EX6T1FK2
BMC52693I ACK ACKRITB2 ACK ACKRITB1 EX6T1FK1
BMC52693I ACKRIDB1.ACKRITS1 ACK ACKRITB1
BMC50041I 0: ZIIP ENABLED (0) USING XBM SUBSYSTEM XBMB
BMC50004I UTILINIT PHASE COMPLETE. ELAPSED TIME = 00:00:00
BMC50474I BELOW 16M = 8304K, ABOVE 16M = 1019316K, CPUS = 5
BMC50398I CHECK PROCESSING CONSTRAINED BY SORT WORK FILES
BMC52601I STARTING CHECK DATA FOR THE FOLLOWING :
BMC52602I PK FOR TABLE ACK.ACKRITB2 USING IX.ACK.ACKRIX03
BMC52603I FK ACK.ACKRITB3.EX6T1FK2 USING TS.ACKRIDB1.ACKRITS3
BMC52603I TCC ACK.ACKRITB1.ACKRITB1_CHKCNSTR USING TS.ACKRIDB1.ACKRITS1
BMC52603I FK ACK.ACKRITB1.EX6T1FK1 USING TS.ACKRIDB1.ACKRITS1
BMC52230I MAX TASKS = 1, MAX PARTS/TASK = 14, SORTWKS/TASK = 12, MAX OPEN PARTS/TASK = 14, MAX INDEXES/TASK = 3
BMC50894I PAGE EXTERNALIZATION PROCESS STARTING AT 3/20/2022 23:04:17
BMC50650I ESTABLISHING A POINT OF CONSISTENCY FOR:
BMC50651I SPACE ACKRIDB1.ACKRITS1 PART(0) PSID(0002)
BMC50651I SPACE ACKRIDB1.ACKRITS3 PART(0) PSID(0010)
BMC50651I SPACE ACKRIDB1.ACKRIX03 PART(0) PSID(000C)
BMC50895I PAGE EXTERNALIZATION PROCESS COMPLETE. ELAPSED TIME = 00:00:00
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS1.I0001.A012' READ 2 PAGES
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS1.I0001.A011' READ 34 PAGES
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS1.I0001.A010' READ 34 PAGES
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS1.I0001.A009' READ 34 PAGES
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS1.I0001.A008' READ 34 PAGES
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS1.I0001.A007' READ 34 PAGES
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS1.I0001.A006' READ 34 PAGES
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS1.I0001.A005' READ 34 PAGES
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS1.I0001.A004' READ 34 PAGES
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS1.I0001.A003' READ 34 PAGES
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS1.I0001.A002' READ 34 PAGES
BMC52476W TABLE CHECK CONSTRAINT VIOLATION. TABLE = 'ACK.ACKRITB1', CONSTRAINT = 'ACKRITB1_CHKCNSTR'
BMC52471I !COL01_CHAR_2='04'
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS1.I0001.A001' READ 34 PAGES
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRITS3.I0001.A001' READ 66 PAGES
BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKRIDB1.ACKRIX03.I0001.A001' READ 5 PAGES
BMC50481I 1: SORT COMPLETE. ELAPSED TIME = 00:00:00
BMC50481I 1: CHECK TASK COMPLETE. ELAPSED TIME = 00:00:00
BMC52606I TCC ACK.ACKRITB1.ACKRITB1_CHKCNSTR , 100 ROWS CHECKED, 1 VIOLATIONS FOUND
BMC52606I FK ACK.ACKRITB3.EX6T1FK2 , 100 KEYS CHECKED, 5 VIOLATIONS FOUND
BMC52606I FK ACK.ACKRITB1.EX6T1FK1 , 100 KEYS CHECKED, 4 VIOLATIONS FOUND
BMC50476I DDNAME = SYSERR, I/OS = 2, I/O WAITS = 2, RDB LOCK WAITS = 0
BMC52288I CHECK ERROR SUMMARY: PAGE EXCEPTIONS-0, CONSTRAINT VIOLATIONS-10
BMC50004I CHECK PHASE COMPLETE. ELAPSED TIME = 00:00:01
BMC52630I CHECK PENDING STATUS HAS BEEN RESET (OFF) FOR ACKRIDB1.ACKRITS1 PART 2
BMC52630I CHECK PENDING STATUS HAS BEEN RESET (OFF) FOR ACKRIDB1.ACKRITS1 PART 3
BMC52630I CHECK PENDING STATUS HAS BEEN RESET (OFF) FOR ACKRIDB1.ACKRITS1 PART 4
BMC52630I CHECK PENDING STATUS HAS BEEN RESET (OFF) FOR ACKRIDB1.ACKRITS1 PART 5
BMC52630I CHECK PENDING STATUS HAS BEEN RESET (OFF) FOR ACKRIDB1.ACKRITS1 PART 6
BMC52630I CHECK PENDING STATUS HAS BEEN RESET (OFF) FOR ACKRIDB1.ACKRITS1 PART 7
BMC52630I CHECK PENDING STATUS HAS BEEN RESET (OFF) FOR ACKRIDB1.ACKRITS1 PART 8
BMC52630I CHECK PENDING STATUS HAS BEEN RESET (OFF) FOR ACKRIDB1.ACKRITS1 PART 9
BMC52630I CHECK PENDING STATUS HAS BEEN RESET (OFF) FOR ACKRIDB1.ACKRITS1 PART 10
BMC52630I CHECK PENDING STATUS HAS BEEN RESET (OFF) FOR ACKRIDB1.ACKRITS1 PART 11
BMC52630I CHECK PENDING STATUS HAS BEEN RESET (OFF) FOR ACKRIDB1.ACKRITS1 PART 12
BMC52610I CREATOR.TABLE.CONSTRAINT ROW-ID KEY
BMC52611W ACK.ACKRITB3.EX6T1FK2 0000004201 '05','HK'
BMC52611W ACK.ACKRITB3.EX6T1FK2 0000004202 '05','OM'
BMC52611W ACK.ACKRITB3.EX6T1FK2 0000004203 '05','UB'
BMC52611W ACK.ACKRITB3.EX6T1FK2 0000004204 '05','WX'
BMC52611W ACK.ACKRITB3.EX6T1FK2 0000004209 '13','GI'
BMC52611W ACK.ACKRITB1.EX6T1FK1 0000002201 '05','HK'
BMC52611W ACK.ACKRITB1.EX6T1FK1 0000002202 '05','OM'
BMC52611W ACK.ACKRITB1.EX6T1FK1 0000002203 '05','UB'
BMC52611W ACK.ACKRITB1.EX6T1FK1 0000002204 '05','WX'
BMC50476I DDNAME = SYSERR, I/OS = 1, I/O WAITS = 1, RDB LOCK WAITS = 0
BMC50476I DDNAME = SYSDISC, I/OS = 1, I/O WAITS = 1, RDB LOCK WAITS = 0
BMC50004I FIXRI PHASE COMPLETE. ELAPSED TIME = 00:00:00
BMC50041I 0: ZIIP NOT ENABLED (0) USING XBM SUBSYSTEM XBMB
0BMC50006I UTILITY EXECUTION COMPLETE, RETURN CODE = 4
Discard data set for example 7
The following figure shows the discard data set to output in KEY format for example 7. Due to space restrictions, padding beyond 30 bytes is indicated with an ellipsis (...).