What is pctincrease in oracle?how the memory is allocated,resized,and autoextended while creating a table space

How the memory is allocated,reallocated and autoextended while creating tablespaces?what is meant by initial and default in tablespace开发者_如何学运维s and how the next is a multiple of five times DB_BLOCK_SIZE?

I don't really understand your questions, but your best bet is probably to study the Oracle 9i Database Concepts manual.