what is the use of unique keyword and what level it is defined?



what is the use of unique keyword and what level it is defined?..

Answer / jeetendra yadav

It will avoid to enter duplicate key values. We have to define it in a file level.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More IBM AS400 AllOther Interview Questions

can you display a empty subfile?

0 Answers   IBM,


what is the purpose of overrides?

1 Answers   IBM,


What is difference between rename and prefix?

0 Answers  


What is array in as400? What are the types of array?

0 Answers  


What is the purpose of PR and PI in calling program and called program? in Called program PR is compulsory?

1 Answers   HCL,






when are the referential constraints executed?

0 Answers   IBM,


what is procedure prototype and procedure interface.

0 Answers   IBM,


What is Folder?

1 Answers  


it is possible declare variable values as variable using cl ? any cl command is there to declare values as variable

2 Answers  


What are the types of data areas?

1 Answers  


What is the difference between keys of a Physical file and the keys of a logical file?

2 Answers   Bank Of America, BoA,


how to get the particular field's records in CL without using OVRDBF,OPNQRY? tell me the concept?

2 Answers  


Categories