--创建一个表空间作为用户的默认表空间，然后授予最小化基础权限。 基础权限如下： CREATE TABLESPACE JIEKEXU DATAFILE '+DATA' SIZE 32766M UNIFORM SIZE 1M; CREATE USER JIEKEXU IDENTIFIED BY JIEKEXU DEFAULT TABLESPACE JIEKEXU QUOTA UNLIMITED ON JIEKEXU TEMPORARY TABLESPACE TEMP; GRANT CREATE SESSION TO JIEKEXU; GRANT CREATE table TO JIEKEXU; GRANT CREATE VIEW TO JIEKEXU; GRANT CREATE TRIGGER TO JIEKEXU; GRANT CREATE database link TO JIEKEXU; GRANT CREATE public database link TO JIEKEXU; GRANT CREATE  PROCEDURE to JIEKEXU; GRANT CREATE  sequence to JIEKEXU; GRANT CREATE  synonym to JIEKEXU;        GRANT CREATE  any directory to JIEKEXU;    GRANT CREATE JOB to JIEKEXU; GRANT CREATE MATERIALIZED VIEW to JIEKEXU;