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The steps involved in defining, reviewing or changing virtual fields in a file definition are as follows:
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1. |
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Select the option to ___________ |
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"Define virtual fields | | in file definition" or | FILE | "Review or change | DEFINITION| virtual fields in file | MENU | definition" from the |___________| |
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file definition menu. | | | ____|______ |
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2. |
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Define, |
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review, |
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change| | or delete virtual | VIRTUAL | fields defined in the | FIELDS | file using the | IN FILE | resulting display. |___________| |
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| \ | \___________ |
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| | 3. Optionally review or _____|___ |
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__ _____|____ |
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_ Optionally modify the extended | | | | review or definition for the | VIRTUAL | | VIRTUAL | modify the virtual field by | FIELD | OR | FIELD | RPG/400 code specifying the type of | EXTENDED | | RPG CODE | that is used action to derive the |DEFINITION | |___________| |
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to derive virtual fields. |___________| |
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virtual field __________________/ |
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/ \ \_________________ |
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| ______/ |
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\_____ |
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| | | | | ____|_____ __ |
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___|____ |
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_ _____|____ |
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_ _____|____ |
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SUBSTRING
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CONCAT'S
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MATHS
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DATE
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OR
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OR
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CALCULATION
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OR
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CONVERSION
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_ | | | | | | | | |SUBSTRING | | CONCAT'S | | MATHS | | DATE | | | OR | | OR |CALCULATION| OR |CONVERSION | | | | | | | | | |__________ |
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| |___________ |
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| |___________ |
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| |___________ |
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4. Derive Derive virtual Derive virtual Derive virtual
virtual field field by a field by a field by a
by substringing concatenation mathematical date conversion
a field/record of fields calculation of a field
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