IMS Transaction Programming Basics Lab Guide Day 1

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1 IMS Transaction Programming Basics Lab Guide Day Course materials may not be reproduced in whole or in part without the prior written permission of IBM. 5.1

2 Application Program Description (1 of 2) In Lab 1, you will create the program control blocks required for your program. The database has been built in a previous seminar so it can be used as is. In Lab 2, you will create the control blocks required for scheduling your program. Daily machine lab activity corresponds to the material covered in the lectures. Save all your work till the end of the class. It is recommended that you set RECovery ON when you edit any PDS member.

3 Application Program Description (2 of 2) When you first use any member containing program code, use a global change command to change all occurrences to your team number. for example, nn all (where 'nn' is your team number)

4 Hello World Database (STU01FFD) LANGROOT GREETING SCOPE

5 Hello World (STU01FFD) DBD DBD NAME=STU01FFD,ACCESS=(HDAM,OSAM),RMNAME=(DFSHDC40,10,5,90) DATASET DD1=STU01FFD,DEVICE=3390 SEGM NAME=LANGROOT,PARENT=0,BYTES=30 FIELD NAME=(LANGKEY,SEQ,U),BYTES=20,START=1,TYPE=C SEGM NAME=GREETING,PARENT=LANGROOT,BYTES=30 FIELD NAME=LOCAL,BYTES=20,START=1,TYPE=C SEGM NAME=SCOPE,PARENT=LANGROOT,BYTES=30 FIELD NAME=WORLD,BYTES=20,START=1,TYPE=C FIELD NAME=EXTRA,BYTES=10,START=21,TYPE=C DBDGEN FINISH END

6 PROG00xx PSB (1 of 2) IO PCB DB PCB LANGROOT GREETING SCOPE

7 PROG00xx PSB (2 of 2) PCB TYPE=DB,DBDNAME=STU01FFD,PROCOPT=GO,KEYLEN=20 SENSEG NAME=LANGROOT,PARENT=0 SENSEG NAME=GREETING,PARENT=LANGROOT SENSEG NAME=SCOPE,PARENT=LANGROOT PSBGEN LANG=ASSEM,PSBNAME=PROG00xx,CMPAT=YES END Note that the I/O PCB is not defined. The PSB for PL/1 is the same except for the LANG and PSBNAME parms.

8 Alternate PROG000X PSB (1 of 2) IO PCB ALT1 PCB ALT2 PCB DB PCB LANGROOT GREETING SCOPE

9 Alternate PROG000X PSB (2 of 2) PCB TYPE=TP, ALTRESP=NO, SAMETRM=NO, MODIFY=YES, EXPRESS=NO PCB TYPE=TP, ALTRESP=NO, SAMETRM=NO, MODIFY=YES, EXPRESS=YES PCB TYPE=DB,DBDNAME=STU01FFD,PROCOPT=GO,KEYLEN=20 SENSEG NAME=LANGROOT,PARENT=0 SENSEG NAME=GREETING,PARENT=LANGROOT SENSEG NAME=SCOPE,PARENT=LANGROOT PSBGEN LANG=ASSEM,PSBNAME=PROG00xx,CMPAT=YES END Note that the I/O PCB is not defined. The PSB for PL/1 is the same except for the LANG and PSBNAME parms.

10 Lab Terminal Session Details Course materials may not be reproduced in whole or in part without the prior written permission of IBM. 5.1

11 Lab TSO User IDs To connect to the Bauman University S0W1 system: 1. Connect 3270 emulator to (port 623) 2. Configure session for 43x80 lines or 24x80 3. Select TSO 4. Logon with an assigned userid and password PW=Userid Lab jobs are in IMSU0xx.JCL

12 Execution Mode Tips Place the cursor at the top of the ISPF panel Press PF2 (splits the ISPF session) Select SD.ST (SDSF Status panel) Use PF9 to toggle between sessions Toggle to SD.ST to see status of the job

13 Lab IMS User Terminals The following are the instructions for logging on to IMS user terminals Once the IMS control region is up (/NRE or /ERE successfully complete): Start a terminal emulator session (if not already started) Select file (top left pull down) Select Run the same Tab to the command line and enter D MVR12SNG Enter IMS Sign in as follows: USERID: IMSU0nn Password: IMSU0nn

14 Lab 1 Prepare PSB PSBGEN Course materials may not be reproduced in whole or in part without the prior written permission of IBM. 5.1

15 Lab 1 Description (PSBGEN) (1 of 2) Requirements Add or complete the PSB statements to create the PSB for your PROG00nn program. 1. IO PCB 2. DB PCB STU01FFD 3. PSBNAME should refer to your userid suffix. * These are created within the PSBGEN skeleton. Remember to check them for completeness.

16 Lab 1 Description PSBGEN (2 of 2) Activities: Correct the skeleton PSB in member PSBGEN in your IMSU0xx.JCL dataset. The PSB must use database STU01FFD. Submit the PSBGEN job to ensure your PSB is included in the PSBLIB. A successful PSBGEN is required before proceeding to LAB 2.

17 Lab 2 Prepare ACB ACBGEN Course materials may not be reproduced in whole or in part without the prior written permission of IBM. 5.1

18 Lab 2 Description (ACBGEN) (1 of 2) Requirements Add or complete the ACB gen job statements to create the ACB for your PROG00nn program. 1. PSB from Lab 1.

19 Lab 2 Description ACBGEN (2 of 2) Activities: Correct the skeleton ACB gen in member ACBGEN in your IMSU0xx.JCL dataset. The ACB must use the PSB you created in LAB1. Submit the ACBGEN job to ensure your ACB is included in the ACBLIB. A successful ACBGEN is required before proceeding to LAB 3.

IMS-DL/I 2 STRUCTURE. Chapter SYS-ED/ COMPUTER EDUCATION TECHNIQUES, INC.

IMS-DL/I 2 STRUCTURE. Chapter SYS-ED/ COMPUTER EDUCATION TECHNIQUES, INC. IMS-DL/I 2 STRUTURE hapter SYS-ED/ OMPUTER EDUATION TEHNIQUES, IN. Objectives You will learn: Database hierarchy. DL/I database segments. DL/I database records. Parent and child segments. Twins and siblings.