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IBM® Db2® Database Plug-in for Zowe CLI

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IBM® Db2® Database Plug-in for Zowe CLI

The IBM® Db2® Database Plug-in for Zowe™ CLI lets you interact with Db2 for z/OS to perform tasks through Zowe CLI and integrate with modern development tools. The plug-in also lets you interact with Db2 to advance continuous integration and to validate product quality and stability.

Zowe CLI Plug-in for IBM Db2 Database lets you execute SQL statements against a Db2 region, export a Db2 table, and call a stored procedure. The plug-in also exposes its API so that the plug-in can be used directly in other products.

Use cases#

As an application developer, you can use Zowe CLI Plug-in for IBM DB2 Database to perform the following tasks:

  • Execute SQL and interact with databases.
  • Execute a file with SQL statements.
  • Export tables to a local file on your computer in SQL format.
  • Call a stored procedure and pass parameters.

Commands#

For detailed documentation on commands, actions, and options available in this plug-in, see our Web Help. It is available for download in three formats: a PDF document, an interactive online version, and a ZIP file containing the HTML for the online version.

Software requirements#

Before you install the plug-in, meet the software requirements in Software requirements for Zowe CLI plug-ins.

Installing#

Use one of the following methods to install the the Zowe CLI Plug-in for IBM Db2 Database:

Installing from an online registry#

Complete the following steps if you installed Zowe CLI from online registry:

  1. If you are installing the plug-in on an Apple computer that contains an M1 (or later architecture) processor, complete the steps in M1 processor installation. If not, continue to Step 2.

  2. Open a command line window and issue the following command:

    zowe plugins install @zowe/db2-for-zowe-cli@zowe-v2-lts

  3. Address the license requirements to begin using the plug-in.

Installing from a local package#

Follow these procedures if you downloaded the Zowe installation package:

Downloading the ODBC driver#

Download the ODBC driver before you install the Db2 plug-in.

Follow these steps:

  1. If you are installing the plug-in on a Apple computer that contains an M1 (or later architecture) processor, complete the steps in M1 processor installation. If not, continue to Step 2.

  2. Download the ODBC CLI Driver (Darwin x64). Use the table within the download URL to select the correct CLI Driver for your platform and architecture.

  3. Create a new directory named odbc_cli on your computer. Remember the path to the new directory. You will need to provide the full path to this directory immediately before you install the Db2 plug-in.

  4. Place the ODBC driver in the odbc_cli folder. Do not extract the ODBC driver.

You downloaded and prepared to use the ODBC driver successfully. Proceed to install the plug-in to Zowe CLI.

Installing Xcode on MacOS#

To install the Db2 CLI plug-in on MacOS, you need the command line tools, which can be obtained by installing Xcode from the App Store.

Note: On some versions of MacOS, you may receive the error xcrun: error: invalid active developer path as shown below:

xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun

If this occurs, a manual refresh of the command line tools is required by running the following commands:

sudo rm -rf /Library/Developer/CommandLineToolssudo xcode-select --install

Installing the plug-in#

Now that the Db2 ODBC CLI driver is downloaded, set the IBM_DB_INSTALLER_URL environment variable and install the Db2 plug-in to Zowe CLI.

Follow these steps:

  1. Open a command line window and change the directory to the location where you extracted the zowe-cli-bundle.zip file. If you do not have the zowe-cli-bundle.zip file, see the topic Install Zowe CLI from local package in Installing Zowe CLI for information about how to obtain and extract it.

  2. From a command line window, set the IBM_DB_INSTALLER_URL environment variable by issuing the following command:

    • Windows operating systems:

      set IBM_DB_INSTALLER_URL=<path_to_your_odbc_folder>/odbc_cli

    • Linux and Mac operating systems:

      export IBM_DB_INSTALLER_URL=<path_to_your_odbc_folder>/odbc_cli

    For example, if you downloaded the Windows x64 driver (ntx64_odbc_cli.zip) to C:\odbc_cli, you would issue the following command:

     set IBM_DB_INSTALLER_URL=C:\odbc_cli

  3. Issue the following command to install the plug-in:

    zowe plugins install db2-for-zowe-cli.tgz

  4. Address the license requirements to begin using the plug-in.

Addressing the license requirement#

To successfully connect the Db2 CLI plug-in to a database on z/OS, a license needs to be present either on the client where the Zowe CLI is executed from, or else on z/OS. If you do not have a license configured when you execute Db2 CLI commands, you will receive an error SQL1598N, for example:

DB2 ODBC Driver Error: [node-ibm_db] SQL_ERRORError Details:Error:    [IBM][CLI Driver] SQL1598N An attempt to connect to the database server failed because of a licensing problem.

Server-side license#

You can execute the utility db2connectactivate on z/OS to enable a Db2 database to accept client requests. For more information, see db2connectactivate - Server license activation utility. This avoids having to apply the Db2 Connect license on each database client that connects directly to the server. It is also the preferred approach to enabling users of the Zowe Db2 CLI because it avoids individual client license distribution and configuration.

Client-side license#

If the utility db2connectactivate has not been executed against the Db2 database that your profile is connecting to, then it is possible to obtain the license file db2consv_zs.lic from a copy of DB2 Connect and use this for client configuration. This will need to be done separately for each client PC.

  1. Locate your client copy of the Db2 license file db2consv_zs.lic.

    Note: The license must be of version 11.5 if the Db2 server is not db2connectactivated. You can buy a db2connect license from IBM. The connectivity can be enabled either on server using db2connectactivate utility or on client using client side license file. To know more about DB2 license and purchasing cost, please contact IBM Customer Support.

  2. Copy your Db2 license file db2consv_za.lic and place it in the following directory.

    <zowe_home>/plugins/installed/lib/node_modules/@zowe/db2-for-zowe-cli/node_modules/ibm_db/installer/clidriver/license

    Tip: By default, <zowe_home> is set to ~/.zowe on *UNIX Aand Mac systems, and C:\Users\<Your_User>\.zowe on Windows systems.

    After the license is copied, you can use the Db2 plugin functionality.

Creating a user profile#

Before you start using the IBM Db2 plug-in, create a profile with details of the Db2 system you're connecting to.

  • The Db2 server host name
  • The Db2 server port number
  • The database name (you can also use the location)

To get the Db2 system information, the following two methods can be used.

  • Issue the command -DISPLAY DDF in the Db2 SPUFI command on z/OS

or

  • View the JES spool for the MSTR job for the Db2 subsystem and search for the message DSNL004I. For example, for the database DI2E the JES job DI2EMSTR will have an entry with similar to:
DSNL004I  #DI2E DDF START COMPLETE  025                   LOCATION  DSNV102E                             LU        GBIBMIYA.IYCYZDBE                    GENERICLU -NONE                                DOMAIN    host.ip.address.com             TCPPORT   40100                                SECPORT   30100

The DOMAIN is used for the <hostname>, the TCPPORT for the <port> and the LOCATION for the <database> in the zowe create profile command.

In addition to the host, port and database you'll need

  • The user name
  • The password
  • If your Db2 systems use a secure connection, you can also provide an SSL/TSL certificate file.

To create a db2 team profile in Zowe CLI, open the zowe.config.json file and specify the properties for the port and database:

"db2": {  "type": "db2",  "properties": {    "port": 0,    "database": ""  },  "secure": []}

SQL0805N: Database BIND#

To be able to run remote SQL commands against a Db2 database, you must invoke a BIND command against it. If the BIND command is not run, you will see an error that contains SQL0805N similar to the log below:

Command Error:DB2 ODBC Driver Error: [node-ibm_db] Error in ODBCConnection::QuerySync while executing query.Error Details:Error:    [IBM][CLI Driver][DB2] SQL0805N  Package "DSNV112E.NULLID.SYSSH200.5359534C564C3031" was not found.

If you receive this error, a user with DBADM authority must run the BIND command. This will typically be done by a Db2 System Programmer. More information can be found in the Db2 product documentation and The Bind process.

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