Structure Statements Structure statements are those statements that are used to pass processing control from one function to another. The order shown below is based on efficiency. Common use of this statement is for executing common routines.
Internal subroutines have access to local and global data areas.
The RUN programming statement requires compilation before execution and is not to be used in on-line applications. Batch programs that read and update a file sequentially should issue an ET every 100th to 500th held record for efficiency. Should be limited to retrieving a single record with a unique key. Should be limited to use of statistical reports when no record data content is needed and counts of records satisfying multi ple key values is required. Complex FIND statements should only be considered for processes which are occasionally used.