name the vsam file in which the deletion is not possible.
suppose I have two tables a and b. Both tables are connected with ssn number as foreign key. I want to retrieve a column data from b table. How will you write a query?
Explain ibm z?
difference between wrkobj & dspobjd?
what is the meaning of notcat 2?
If a gdg contains 20 versions .. how to copy those versions ps?
List the type of locks?
is it possible to create a new field dynamically?
in options (main) , what is meaning of main . if u not used main what will happen? After compiling, os will not understand where to load and execute from
How many bytes does a s9(7) sign trailing separate field occupy ?
how to change pic of variables declared in copy book inside progrm?
How are composite and multiple indexes different?
Is mainframe an operating system?