WAS v8.5 > Administer applications and their environment > Welcome to administering Service integration > Administer message stores > Administer data stores > Configure a messaging engine to use a data store > Create data store tables

Generate the DDL statements needed to create or alter data store tables

To enable the database administrator to create or alter the data store tables manually, you must generate data definition language (DDL) statements.

Before you start this task, review the information in Configuration planning for a messaging engine to use a data store, and ensure the database administrator has taken any appropriate action.

Use the sibDDLGenerator command to generate the DDL statements the database administrator needs to create the tables for the messaging engine data store. Use the sibDBUpgrade command to generate the DDL statements the database administrator needs to alter the tables for the messaging engine data store.

1. At a command prompt, issue the sibDDLGenerator to create or sibDBUpgrade command to alter the data store tables and redirect the output to a file. For information on these command-line utilities, refer to sibDDLGenerator command and sibDBUpgrade command.

   To process the DDL statements with a command line processor that requires the statements to conform to a specific format, use the optional parameters that control the format of the DDL statements. For example, if each statement must end with a semicolon, use -statementend ;

2. Send the output file to the database administrator to process the DDL statements that are generated. The DDL statements can be ported across operating systems, for example, we can generate the DDL statements on a machine running the Windows operating system and then run them on a machine running the z/OS operating system.
   • Your database administrator can modify the DDL statements, but must not modify the table names or the column names in any way because doing so might prevent the messaging engine from starting.

   • If the DDL statements are to be run on the z/OS operating system, the database administrator must change the VCAT name in the first line of the DDL statements (the create storage group statement) to a valid high-level qualifier for their system.

Related

Migrating a messaging engine based on a data store

Reference:

sibDDLGenerator command
Data store tables
sibDBUpgrade command
Altered database tables

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