accessing ims databases with ims explorer - ims ug singapore 8-2013

Connect for SQL Access

© Copyright IBM Corporation 2013 135

Connecting to an IMS database for SQL access • You can create and manage connections to IMS databases by

using the Data Source Explorer. Use the New Connection wizard to create a connection profile so that you can connect to an IMS database and browse data objects.

• Before you begin – Make sure that the host system that you are connecting to is set up to

use Open Database.


Connecting to an IMS Database for SQL Access • In the Data Source Explorer, right-click the Database

Connections folder, and click New. • Select IMS as the database manager and the IMS Universal

JDBC driver as the JDBC driver. Enter the connection properties.


RDz – Open the IMS Explorer perspective


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Data Source Explorer

• In the Data Source Explorer panel, right-click on Database Connections


New Connection

• In Select a database manager, scroll down and select IMS


~ New Connection

Connection Parameters

Select the database manager, JDBC driver, and required connection parameters.

Connection identification

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Select a database manager:

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New Connection

• Select the JDBC Driver for the version of IMS you are accessing, and enter the parameters in the Properties panel (see next page for details), then click Finish.


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Connection Properties

© Copyright IBM Corporation 2013

Connection Name

Description

Connection name

Unique alphanumeric name for this connection.

Data store Name of the IMS data store to access, provided by your IMS system administrator.

Host Name or IP address of the data store server (IMS Connect). Specify either the host name (for example, dev123.svl.ibm.com) or the IP address (for example, 192.166.0.2).

Port number TCP/IP server DRDA® port number used to communicate with IMS Connect.

User name User name for the connection to IMS Connect, provided by your RACF® administrator.

Password Password for the connection to IMS Connect, provided by your RACF administrator.

Metadata source (see next page)

142

Connection Properties: Metadata Source • Location of the database metadata that represents the target

IMS database: – IMS catalog

• select a PSB in an IMS catalog-enabled system from the list.

– Local IMS Explorer project • select a Project and a PSB from the lists.

– Local file system • browse to a .jar file that contains the Java metadata class. • In the .jar file, the metadata class must be stored under a directory that is

named for the PSB (for example, BMP255/BMP255DatabaseView.class, where BMP255 is the PSB name).

• The .jar file can contain multiple metadata classes. In the connection wizard, you must specify the name of the metadata class (for example, BMP255.BMP255DatabaseView).


IMS Explorer perspective

• We now have “My IMS” in the list of Database Connections © Copyright IBM Corporation 2013 144

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Welcome to z/OS Projects

The Z/OS Proj ects perspective offers an integrated development environment th!!t lets you develop !!nd mllintllin !lssembler, COBOL, PL./I, and C/ C+ + applicat ions targeted to run on CICS or Ir·1S.

If you 11re new to R11tionl!l Developer for System z, )'OU can get started by we~tching demo5 or viewing Quick Tasks to learn how to use some of the features in the procuct.

For the more experienced users, follow one of the Global Auto Mart samples ( New > Example ••• > Workstation Global Auto Mart Samples) to get familiarized with the tools.

To modernize, tr~~nsform, Md Web service eMble your CI CS and Ir•1S applications, you will be interested in using the Enterprise Service Tools (Window > Open Perspective > Other ••• > Enterprise Service Tools).

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• Expand “My IMS”, showing the PSB, PCBs, and segments (tables) in the PCBs.


Connection Properties – Options • On the Tracing tab of the connection properties, deselect the

Disable Tracing box to turn on tracing. – Turning on tracing creates a log file of your activity that helps with

troubleshooting problems.

• On the Optional tab, specify whether to use an SSL for your connection, a log-in timeout value, and any additional property values you want to add to the JDBC connection URL.


Properties for My IMS – Disable Tracing

• By default, tracing is disabled © Copyright IBM Corporation 2013 147

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Properties for My IMS – Enable Tracing

• The trace information is written to the file in the directory you nominate. The levels of trace are selected here.


Properties for My IMS – Options

• Set SSL use, log-in timeout value, and Additional Connection

Properties


END Connect for SQL Access


Viewing an IMS Database in SQL Results


Viewing an IMS database in the SQL Results view • You can display the contents of an IMS database as a table in

the SQL Results view.


Procedure • To display the contents of a table in the SQL Results view:

– In the IMS Explorer perspective, open an IMS Explorer project. – Import the program specification block (PSB) and database descriptor

(DBD) files for the database into the project. – Open the Data perspective.

• From the main menu, click Window > Open Perspective > Other. • In the Select Perspective wizard, click Data. • Click OK. The Data perspective opens.


IMS Explorer perspective

• Click on “Window” > “Open Perspective” > “Other” © Copyright IBM Corporation 2013 154

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Open Perspective

• Select the “Data” perspective, then click “OK”


RDz – Data perspective


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• In the Data Source Explorer pane, right-click on “My IMS”, and click on “Connect”


Properties for My IMS

• Enter the parameters for the connection to My IMS in the “General” tab of the Properties panel, then click “OK”


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• When connected to My IMS, expand to show the Tables (Segments) in the database PCB you wish to access



• Right-click on the Table you wish to access, Select “Data” and “Sample Contents” – This will return 50 rows from the table (segments from the database)


SQL Results

• The SQL Results panel shows the status of the request • The Result1 panel shows the sample data returned

– Double-click on the tab to maximize it, and double-click again to return it to normal size.


SQL Results

• The Status tab shows the SQL used for this request. – SELECT * FROM “DFSCAT00”.”DBD”


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SQL Queries against an IMS Database


Creating and running SQL queries against an IMS database • You can access and manipulate data that is stored in an IMS

database by creating and running SQL queries in IMS Explorer. • Before you begin

– Connect to an IMS database for SQL access


Procedure • In the Data Source Explorer, create a database connection to

the IMS system. – Check with your IMS system administrator for the values of the

database connection properties. • Under the connection that you created, expand the database >

Catalogs > catalog node > Schemas > schema node > Tables. – catalog node The name of the PSB. – schema node The name of the PCB.

• Right-click the table whose contents you want to display, and then select Data > Sample Contents. – The SQL Results view displays a sample of the rows in a table based

on the maximum number of rows specified in the Preferences window.


RDz – IMS Explorer perspective

• Open the Data perspective by selecting Window > Open Perspective… > Other © Copyright IBM Corporation 2013 167

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Open Perspective

• (Enable Show all if needed) • Select the Data perspective, and click OK


RDz – Data Perspective


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An out line is not availab le.


• In the Data Source Explorer pane, right-click My IMS, and select Connect


Properties for My IMS

• Enter the parameters needed, and click OK


f Properties for My IMS __ ____..,_~~ ~ ~----

[type filter text _j Driver Properties .... .... ....

Common




Driver Properties

Version

~ I

Drivers: J IMS V12 Universal JDBC Driver Default

Properties

•connection name: My IMS

•Host:

•Port number.

User name:

Password:

D Save password

Default schema:

9.30.132.182

6666

myuseridj

••••••••

Metadata source: I.._IM_ s_c_a_t_al_o..:.g ____________________ __, .... J

PSB: DFSCP001

URL: jdbc:ims://9.30.132.182:6666/DFSCP001:dpsbOnCommit=true;fetchSize=0;

I Test Connection J

L_ ___ o_K __ _JJ IL ___ c_an_ce_l __ ~

Data Source Explorer • Expand My IMS


Create a Data Development Project To create and run custom SQL queries against the IMS database: • Create a data development project.

– The data development project is required to create and run custom SQL scripts.

• Procedure: – From the main menu, click File > New > Data Development Project. – Enter a name for the data development project. – Click Next. – Select the connection name of the IMS database. – Click Finish.



• Starting with the Data perspective © Copyright IBM Corporation 2013 174

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RDz - Data perspective

• “File” > “New” > “Data Development Project” © Copyright IBM Corporation 2013 175

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:it atus Operat ion Dat e Connecti :>n Profile

Data Development Project

• Enter the name for the new data development project, then click “Next”


Data Development Project ~

Specify a basic defini tion for the new project. Use the project to store a set of objects that can be deployed. L_/

£roject name: Access_IMS_with_SQL

L < f!ack ~L'--=N=.e_xt_> _ _J L finish~ L-l __ c_a_n_ce_l_----'

SQL Script • Create an SQL script by using the SQL Query Builder.

• In the SQL script, specify the SQL query statements to run against the IMS database.

• Procedure

– In the Data Project Explorer view, expand the data development project pane.

– Create an SQL script. Right-click the SQL Scripts folder and select New > SQL or XQuery Script.

– Enter a name for the SQL script. – Use one of the following options to create an SQL script:

• To enter the SQL statement as text, select SQL and XQuery editor. • To graphically create the SQL statement, select SQL Query Builder.

– Click Finish.


Presenter

Presentation Notes

More graphical semantic help is provided if you use the query builder.

Select Connection

• Select “My IMS” in the “Connections” panel


Choose to use a new connection or select an existing connection.

Connections

U BIRT Classic Models Sample Database

Derby Sample Connection

liD My IMS

'--

• Properties

Property Value

I New ...

l Ed1t...

[ Delete

~---<~~~a_c_k __ ~IL[ __ -=N~e-~ __ > __ ~] L[ ____ E_in_i_sh ____ ~' Ll ____ c_a_nc_e_l __ ~

Select Connection

• Click “Finish”


Choose to use a new connection or select an existing connection.

Connections

6 BlRT Classic Models Sample Dat abase

lJ Derby Sample Connection

I~ MyiMSI

• Properties

Property

Name

Description

Category

Database

JDBC Driver Class

Class location

Value

My iMS

Database Connections

MyiMS

com.ibm.ims.jdbc.IMSDriver

C:\Program Files (x86)\IBM\SDP\Ii ...

I New ... I I Edit ... I I Delete I

L_ ___ <_~_a_c_k __ ~IL[ ____ N_e_x_t_> __ ~l L[ ____ E_in_i_sh ____ ~l IL ____ c_a_nc_e_l __ ~

Data Project Explorer

• Once connected, the Data Project is shown. Expand “Access_IMS_with_SQL”


Data Project Explorer

• Right-click on “SQL Scripts”, select “New” then click on “SQL or Xquery Script”


New SQL or XQuery Script

• Enter a name for the script, and choose either “SQ and XQuery Editor”, or “SQL Query Builder”


New SQL or XQuery Script

• Select “SQL Query Builder”, Statement type: SELECT, and click “Finish”.


Data perspective

• Showing SQL Builder (tab SQL_to_IMS_1.sql) © Copyright IBM Corporation 2013 184

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SQL_to_IMS_1.sql

• Detail of the SQL_to_IMS_1.sql panel


@; IMS Explorer Task Launcher

~ELECT * FROM

19:1 SQL_to_IMS_l.sql ,&3,

To add a table, right-click in this pane and use the pop-up menu.

[J DISTING

Columns l Conditions i Groups 1 Group Conditions I

Column Alias Output Sort Type

=LJ

Sort Order

SQL_to_IMS_1.sql

• Right-click in the middle pane, and click “Add Table”


@; IMS Explorer Task Launcher

SELECT * FROM

12) SQL_to_IMS_l.sql ~

iTo add a table, right-click in this pane and use the pop-up menu. i !

Add Table ...

""Ll

1 •• ~.~··~·~-·~·~··-··-·-··-··-·-·····-··-·-.. - ··- · - ··- · - ··- · - ··- ··- .. - ··- ··· ··- ····· - ··- · - .. - ··· ··- ··- · - ··- · - ··- ··· ··- ··- · - ··- ····· - · - ··- ··- · - ··- ··- · - ··-·- ··- · - ··- ··- · - ··- ··· ··-····· - ··- · - .. - ··· ··- ··-·- ··- · - ··- ··· .. - .. _ · - ··- ····· - ··· ··- .. - · - ··- ··- · - ··- · - ··- · - ··- .. - · - ··-····· - · - ··- ··- · - .. - ··- · - ··-·- ··- · - ··- ··· .. - ··- · - ··- ····· - ··- · - .. - · - ··-··- ·-··- ·-··- ··· .. - · · - · - ··-·-··-·····- .. - · - ··- ··-·- ··-·-··-·" . ICI DISTING

Columns l Conditions l Groups l Group Condit ions I

Column Alias Output Sort Type Sort Order

Add Table

• Select the table (segment) you wish to access, then click “OK”


SQL_to_IMS_1.sql

• The selected table is shown in the middle pane, and the SQL generated to access it is shown in the top pane.


~ IMS Explorer Task Launche!...._j 19) *SQL_to_IMS_l.sql ~;f\......., ______________________________ =_ Ll-.1

SELECT * FROM DFSCATOO . DBD

··-··-·-··-·-··-··-··-··-·-··- ··-·- ·-··-··-··-··-·-··-·-··-··-··-··-·-··-··-·-·-··-··-·-··-··-··-··-·-··-·-··-··-··-··-·- ·- ··-··-·-··-··-··-··-·-··-·-··-··-··-··-·-··- ··-·-··-··-··-··-··-·-··-·-··-·-··-··-··-··-·-··-·-··-··-·-··-··-··-··-·-··-·-··-··-··-··-·-··- ··-··-··-··-··-··-··-·-··-·-··-··-··-··-·-··-·-··-·-··-··-·-··-··-·-··-·-··-·-··-··-··-··-·-··-·-··-··-··-··-··-··-··-·-··-·-··~

! •

I DBD

i "' HEADER_RHDRSEQ ~ ..:..! i IDXNMlS -' I • ~ IDXNM16 • I r- RMRBN I "' RMNAME

! "' SEQNUM ! :.:___"'..;....;·.;..;..;~·.;.;_'~ ·.;...;..;·~- ~ ! · -; 1.·-·-··-·-··-·-"-··-·-··-··-·-·····-··-·-.. -.. -·-··-·-··-·-··-··-·-··-..... -..... -.. -.-.. -·-··-··-·-··-·-··-·-.. -.. -·-··-· .. ··-·"··-··-·-··-"-·-··-·-··-·-.. -··-·-··-·-··-· .. ··-··-·-.. -·-··-··-·-··-·-··-·""_"_,_,,_,,.,,_, .. ,_.,_,_,,_,,_,_,,_,_,,_,_,_,_,_,,_,_,,_,_,,_,,_,_,_,_,_,,_,_,,_,_,_,,_,_,,_,_,,_,,,,_,,_,_,_,_,,_,,_,_,,_,_,,_,_,_,,_,_,,_, .. ,,_,_,,_,_,_,,_,~,-··-·-··-·" . IO DISTING

Columns l Conditions l Groups l Group Condit ions I


SQL_to_IMS_1.sql

• Right-click in the top pane, and select “Run SQL”.


~ IMS Explorer Task Launche!....J ~ •SQL_to_IMS_l.sql .&l. '-.. ""Ll

~ELECT * .... FROM DFSCATOO . DBD

Cut

Copy

Paste

Content Assist Ctri+Space

Content Tip Ctri+Shift+Space ~

~ ~ Revert to Last Correct Source

DBD Clear to Template

• HEADER_RHDRSEQ ~ :] Change Statement Type ...

• IDXNM15 Omit Current Schema ...

• IDXNM16 Run SQL RMRBN

: RMNAME SEQNUM

.:.1 . ·~"~· ·~

. ICJ DISTINCT

Columns l Conditions l Groups l Group Conditions I


SQL Results

• Results from the SQL are shown in the SQL Results pane


SQL Results

• The status tab shows the SQL executed, and the time taken.




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accessing ims databases with ims explorer - ims ug singapore 8-2013

Technology

ims copyright ibm corporation

description connection

connection r ame

connection identification

connection profile

database manager

ims data store

new connection wizard