nLearn to create users and manage them using Oracle Enterprise Manager

1. OEM: Managing Users & Tables
by
Vazi Okhandiar, PMP, MSCS, MCT
NR Computer Learning Center
1835 W. Orangewood . Suite 200
Orange, CA 92868
www.nrclc.com
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2. OEM: Managing Users & Tables
The article consists of using Oracle Enterprise Manager to perform following 5 tasks:
 Create an account for user john with password smith
 Create a table MyTable
 Login as user john to add and manage data in the database
 Remove table MyTable from the database
 Remove the user John from the database.
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3. OEM: Managing Users & Tables
PART 1: Create A User Account
Log into OEM as sysdba
Open Firefox. Type in the following URL:
https://127.0.0.1:1158/em
Username: sys
Password: manager
Connect As: SYSDBA
Click on the Server Tab to open the server page.
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4. OEM: Managing Users & Tables
Select User in the Security Section on the Server page. This will open up the user page.
Click on Create button to create a user
Enter the user name, password, Default table and temporary table.





In the user name field enter john and in the password field  enter smith.
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5. OEM: Managing Users & Tables
To select a default tablespace
 for the user, click on the find icon to view the list of
available tablespaces.
Select the USERS tablespace as the default tablespace and click on the Select button.
Similarly to assign a temporary tablespace  for the user, click on the find icon to view
the list of available tablespaces.
Select the TEMP tablespace as the temporary tablespace and click on the Select button.
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6. OEM: Managing Users & Tables
The Create user screen should look similar to the one displayed below:
Make sure the Status  is unlocked and click OK.
Next we will assign the user permission so that the user can create a table, insert data into the
table, select data from the table and drop the table. While you are in Create User Screen, click
on the System Privileges tab.
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7. OEM: Managing Users & Tables
In the Available System Privileges window, find “CREATE ANY TABLE” and click on Move button
to add it to the Selected System Privileges. Similarly, add “DROP ANY TABLE”, “SELECT ANY
TABLE” and “INSERT ANY TABLE” to the Selected System Privileges window.
Click on Apply button to apply the changes.
Next we will assign the unlimited quota for using the tablespace USERS to the user we creating,
in this case it is the user john. While you are in Create User screen, click on the Quotas tab.
Select Unlimited from the drop down for the quota and click OK.
Click OK again to create the user.
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8. OEM: Managing Users & Tables
PART II: Create A Table
To create a table, click on the Schema tab.
Click on the Table link in the Database objects.
Click on the Create button to open the window for creating a new table.
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9. OEM: Managing Users & Tables
Select Standard and click on Continue button





 In the name field, enter MYTABLE, to create a new table called MYTABLE.
 In the Schema table, enter JOHN, to create the table as part of his database schema
 In the Tablespace, enter USERS, to use the USERS tablespace to store MYTABLE and associated
data.
 In the Columns field, enter ID as integer with upto 3 digits and Firstname and Lastname of type
VARCHAR2 with maximum capacity of 15 character.
 Click OK when done.
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10. OEM: Managing Users & Tables
Verify that when you search for John’s schema, MYTABLE get listed as the result set.
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11. OEM: Managing Users & Tables
PART III: Login as John and insert Data in MYTABLE
1. Login as john
>> sqlplus john/smith
2. Insert following records into a table.
SQL> INSERT INTO mytable (ID, FirstName, LastName)
Values (1,‘John’, ‘Smith’);
SQL> INSERT INTO mytable (ID, FirstName, LastName)
Values (2,‘Jane’, ‘Doe’);
SQL> INSERT INTO mytable (ID, FirstName, LastName)
Values (3,‘Paul’, ‘Ryan’);
3. Use SELECT command to verify the data in the table
SQL> Select * from mytable;
ID FirstName LastName
1 John Smith
2 Jane Doe
3 Paul Ryan
4. Remove jane from the table
SQL > DELETE FROM mytable WHERE id=2;
5. Use SELECT command to verify the table is updated.
SQL> Select * from mytable;
ID FirstName LastName
1 John Smith
3 Paul Ryan
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12. OEM: Managing Users & Tables
PART IV: Dropping A Table
To remove a table from the database, click on Schema tab and select Tables in the Database Objects
section.
In the Schema field, enter John and click on Go button. This will list the object owned by John.
Select the object owned by John and click on Delete with Options button.
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13. OEM: Managing Users & Tables
PART V: Dropping the User
To delete a user from the database, click on the server tab and then click on Users link under Security
section.
In the Users window, select the user John, and click on Delete button.
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14. OEM: Managing Users & Tables
Confirmation window will pop-up. Click on Yes button for confirm that you want to delete the
user John.
Once the User is deleted, the user will no longer have access to his/her account.
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