Answer Posted / manoj

1. Referential integrity maintains the integrity of a
database using key fields. Referential integrity is defined
as "the state of a database in which all values of all
foreign keys are valid"

2.A foreign key is a column or a set of columns in a table
whose values must match at least one primary key or unique
key value of a row in its parent table.

3.

When we have a file with Duplicate records and I want to read the unique record from the file. For example a file containing Emp Name as 'Ram' and there are 3 entries of it. So how to read a unique record from File?

1008

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How to call one program from another program in RPG? please help me with the code

1792

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What is difference between bind by copy and bind by reference?

2552

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how do I play {insert rpg system here}?

1082

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Program to read marks of 10 students for 4 subjects and compute and display total marks and status of each student in rpg

1207

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how do I preserve and clean the array?

1208

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what is kids-rpg?

1176

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How many program bind in one module....

2744

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What is ment by record level identifier?

1189

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What is the diff bw PF/LF Name and their Record format name? what is restriction in record format then file name?

3049

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How Chain operation copies the record's data to the input buffer for the program?

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Hi Viewers can any body explain me how to update and ahange the already existed data in physical file using subfile ? please explain me with the code if possible?

5242

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if there is a module object , how to find the program object for this module object.Assume the module object name and program object name is not same.

2679

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during execution, an rpg/400 program automatically follows a sequence of operations for each record that is processed. The built-in program cycle includes the following logical steps.

1281

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what is the difference between do while and do until?

1308

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