SQL> CLEAR SCREEN;
#创建库表 
SQL> START E:\SQL.SQL;
18  ;

SQL> select table_name,tablespace_name from user_tables;
TABLE_NAME                     TABLESPACE_NAME
------------------------------ ------------------------------
TB_MTBasicInfo                 DBDATAFILESPACE
#拥有表空间DBDATAFILESPACE  
SQL> select tablespace_name from user_tablespaces;
TABLESPACE_NAME
------------------------------
SYSTEM
SYSAUX
UNDOTBS1
TEMP
USERS
DBDATAFILESPACE
DBINDEXSPACE

#登陆用户名：DBMATERIALOWNER 

SQL> select username from user_users;
USERNAME
------------------------------
DBMATERIALOWNER
#DBA身份 

SQL> select * from user_role_privs;
USERNAME                       GRANTED_ROLE                   ADM DEF OS_
------------------------------ ------------------------------ --- --- ---
DBMATERIALOWNER                DBA                            NO  YES NO
#表对象却不存在 
SQL> desc TB_MTBasicInfo;
ERROR:

SQL> desc DBDATAFILESPACE.TB_MTBasicInfo;
ERROR:

 CREATE TABLE "DBMATERIALOWNER"."TB_MTBasicInfo" (
"MT_ID" NUMBER(10,0),
"MT_CODE" VARCHAR2(50 BYTE) not null,
"MT_DESC" VARCHAR2(600 BYTE) not null,
"MT_5497_CODE" NVARCHAR2(50) not null,
"MT_5497_DESC" NVARCHAR2(150),
"MT_PROD_CODE" NVARCHAR2(50),
"MT_PROD_DESC" NVARCHAR2(150),
"MT_SPEC_APPR" NVARCHAR2(100),
"MT_BATCH_NO" NVARCHAR2(50),
"MT_TYPE_CODE" NVARCHAR2(50) not null,
"MT_TYPE_DESC" NVARCHAR2(150) not null,
CONSTRAINT TB_MTBasicInfo PRIMARY KEY
(
MT_ID
)
)

desc “DBDATAFILESPACE”.“TB_MTBasicInfo”

--转自