Oracle tablespaces, users, and authorization to users

oracle All data of users in are stored in the table space , Many users can share a table space , You can also specify that a user only uses a certain table space .
Table space ： Creating a tablespace will create a data file on the physical disk , As a database object （ user 、 surface 、 Stored procedures and so on ） Physical storage space ;
user ： The creating user must specify a tablespace for it , If no default tablespace is explicitly specified , Is specified as users Table space ; After creating the user , Can be on the user , Create table 、 Stored procedures and other database objects ;

notes ： The following operations are in sys Under the user
1. Create tablespace

LAOMA: Tablespace name .
route ： Represents the storage table space ***.dbf The address of
100M： Indicates the size of the table space

2. Create users and specify tablespaces

LAOMA_USER： User name
password： User password
LAOMA: Table space name assigned to the user

3. Authorize users

Express the connect,resource Authority granted to LAOMA user

Express the dba Permission granted to LAOMA user , Authorized success .

4. Assign the new tablespace to an existing user

It means that you will LAOMA This table space is assigned to LAOMA_ONE This existing user