Selecting Packed Fields from Tables
COBOL programs with embedded SQL statements present a wrinkle you may not be aware of. If you are selecting a group of fields in packed format from tables and you try to use those fields in your COBOL program, you have to fetch the fields into working storage variables which are defined as packed. Then you must unpack them before using them in the COBOL program.
Suppose a field is packed (numeric) in a table. You have to define that field in working storage as S9(n) COMP-3 and then unpack this field before you can use it in your program.
Business users want new applications now. Market and regulatory pressures require faster application updates and delivery into production. Your IBM i developers may be approaching retirement, and you see no sure way to fill their positions with experienced developers. In addition, you may be caught between maintaining your existing applications and the uncertainty of moving to something new.
IT managers hoping to find new IBM i talent are discovering that the pool of experienced RPG programmers and operators or administrators with intimate knowledge of the operating system and the applications that run on it is small. This begs the question: How will you manage the platform that supports such a big part of your business? This guide offers strategies and software suggestions to help you plan IT staffing and resources and smooth the transition after your AS/400 talent retires. Read on to learn:
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