Elian Laura wrote:
i understand, but why my teacher wrote in his paper.."Probably the
most obvious case is a database engine where the user defines, at run
time, if a field is integer, char, float, etc. but, it is not
necessary to compile the program again. All this felxibility must be
........."
I have no idea why your teacher wrote that. You should ask them.
in a relational database, all data fields are typed. the only "user
input" that Postgres processes is the SQL language, and thats a full
blown complex language parser, the internals of which I have little
desire to take apart.
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