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  • Global Temporary Tables And Host Variables, Take 2

    May 31, 2016 Ted Holt

    In Global Temporary Tables and Host Variables, I complained that DECLARE GLOBAL TEMPORARY TABLE does not permit me to use host variables. I presented two ways to circumvent the problem. Today I revisit the topic to show another way that was not available six years ago.

    First, create some global variables.

       create variable somelib.gv_Company   dec(3);
       create variable somelib.gv_Customer  dec(5);
    

    Then use those global variables in your program.

    exec sql
       set gv_Company  = :inCompany;
    exec sql
       set gv_Customer = :inCustomer;
    exec sql
       declare global temporary table Temp1 as
           (select *
              from sales
             where companyno  = gv_Company
               and customerno = gv_Customer)
         with data with replace;
    

    DECLARE GLOBAL TEMPORARY TABLE has no qualms with the use of global variables.

    Global variables are still new to me. I suspect I have not even begun to understand the many ways to use them effectively.

    Ted Holt welcomes your comments and questions. Email him through the IT Jungle Contacts page.

    RELATED STORIES

    New in DB2 for i 7.1: Use Global Variables to Track Environment Settings

    Global Temporary Tables and Host Variables

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Volume 16, Number 13 -- May 31, 2016
THIS ISSUE SPONSORED BY:

T.L. Ashford
Valence Framework for IBM i
WorksRight Software

Table of Contents

  • Watch Your Data While Stepping Out With RDi Debug
  • Global Temporary Tables And Host Variables, Take 2
  • LAG And LEAD Functions In DB2 for i 7.3

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