The segment descriptors and resolving of these that make this possible can be (ab)used on the 80286 and up by realizing that these segment descriptors are also used in real mode. Unreal mode is ...

specifies the IMS-DL/I database named WIRETRN on which the access descriptor is to be created. The database type is HDAM. record='wire transaction' segment=wiretran seglng=100; specifies the ...

To see this, consider the following very simple example and how benefits are powerful and descriptors are useful. Here we have two fictitious segments in the cereal market and two demographics (young ...

However, a SAS/ACCESS view descriptor can access data in only one path in the database. Therefore, in one invocation, the view descriptor can retrieve data in either the CHCKDEBT segment or the ...