What is the use of E specification in RPG?
Answer / sushama
Extension Specs describes all record address files, arrays and tables.
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when are the referential constraints executed?
what would be the effect on the field where reverse image, underline and highlight display attributes were active?
can we define multi-dimensional arrays in rpg ?
What is Sub-System?
when are the unique constraints executed?
how can you detect and handle a record lock situation?
what would be the effect on the field where reverse image, underline and highlight display attributes are active ?
what is the syntax for plist?
I/o error detected,Record Out of sequence,Permanent I/o error occured....I mean give one eg for these errors...i understand only,update/delete operation without prior read oprn..give details of remaining
what is the disadvantage of using global variable?
which cl command is used to trap error messages during program execution?
when do you explicitly open files and close files in an rpg program?