Comments on: Can anyone please tell me what is the basic difference between arrays and tables in RPG. http://itknowledgeexchange.techtarget.com/itanswers/can-anyone-please-tell-me-what-is-the-basic-differance-between-arrays-and-tables-in-rpg/ Sat, 25 May 2013 16:32:12 +0000 hourly 1 By: aswdeveloper http://itknowledgeexchange.techtarget.com/itanswers/can-anyone-please-tell-me-what-is-the-basic-differance-between-arrays-and-tables-in-rpg/#comment-70577 aswdeveloper Wed, 18 Nov 2009 19:28:11 +0000 #comment-70577 generally speaking, tables are preloaded at compilation or program initiation and not changed during program execution … tables are most often used as a checklist or range against which variables or fields are compared using lookup operations ….tables do not have an index value available to the program to tell you which position the element occupies in the table …

arrays are more fluid and are often used to group values together, to alter or manipulate or total these values, or to search or format them … indexes are used to identify individual elements of the array, and care must be taken by the programmer to make sure never to refer to an element by an index value outside the defined range of the array or the program will abend …

]]> By: bigkat http://itknowledgeexchange.techtarget.com/itanswers/can-anyone-please-tell-me-what-is-the-basic-differance-between-arrays-and-tables-in-rpg/#comment-70572 bigkat Wed, 18 Nov 2009 17:35:13 +0000 #comment-70572 I still want multi-dimensional arrays

array(x:y) would be much clear than outer(x).inner(y)

]]> By: charliebrowne http://itknowledgeexchange.techtarget.com/itanswers/can-anyone-please-tell-me-what-is-the-basic-differance-between-arrays-and-tables-in-rpg/#comment-70564 charliebrowne Wed, 18 Nov 2009 14:50:17 +0000 #comment-70564 Names of Tables must start with TAB
Tables came first and were usually defined in the program.

]]>