Answer / sandey243

If you just want to know whether the record exists or not, SETLL is best as it just points to the record and doesn't store the data in to fields ( time saving ) where as CHAIN will read and stores the data in to fields ( time consuming ).

How to get only unique records from a file which contains duplicate data using CPYF command ? Example : FILEA has duplicate records and FILEB is a UNIQUE defined.... and I want to get the data from FILEA to FILEB by eliminating all the duplicate records...

2 Answers  

---

What will be your approach in going either for OPNQRYF or Logical files. Which one to go for?

2 Answers  

---

When a object will be locked & when a record will be locked? Plz explain.

2 Answers  

---

Job is in MSGW while reading the input file and writing a new record / updating a reacod due to Duplicate data error. What action would you take ( C D I R )...?

4 Answers  

---

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

0 Answers  

---

difference betwen keywords and opcodes

3 Answers  

---

How we will read call stack?

4 Answers  

---

1. What is bound-by-call and bound-by-reference? 2. Where and why is *Nomain used? 3. What are the difficulties faced by programmers when using service programs? 4. Explain the different ways of parsing and compiling XML in iSeries.

2 Answers  

---

What is significance of a file designated as a Primary file in Rpg400 program....also what's use of secoundry file

1 Answers  

---

how do I preserve and clean the array?

0 Answers   IBM,

---

How to search particular records from the database file in rpg?

2 Answers  

---

Suppose in CL we reach at end of file and again we have to reach from 1 record

3 Answers   TCS,

---