System Global Area The System Global Area (SGA) is a group of shared memory structures, known as SGA components, that contain data and control information for one Oracle Database instance. The SGA is shared by all server and background p...
Tablespace Status You can set tablespace status as follows: ■ Read Write Users can read and write to the tablespace after it is created. This is the default. ■ Read Only If the tablespace is created Read Only, then the tablespace cannot be written to until its status is changed to Read Write. ...
Tablespace Types There are three types of tablespaces: ■ Permanent You use permanent tablespaces to store your user and application data. Oracle Database uses permanent tablespaces to store permanent data, such as system data. Each user is a...
Test the new KING_VIEW view: 1. In the Connections navigator, navigate to the Views node in the HR schema and find the KING_VIEW, by following the instructions in "Displaying Views" on page 8-25. Managing Program Code Stored in the Database Managing Schema Objects 8-27 2.
Testing the Backup Script It is recommend that you run the script manually, to check for errors, before scheduling it. Your manual run of the script will start day one of the strategy, creating an incremental level 0 image copy of all datafiles. ...
The DDL Tab You can create and manipulate schema objects with SQL or with SQL Developer. When creating schema objects using SQL Developer, you can click the DDL tab to display the SQL statement that is the equivalent of the schema object properties that you specified with the graphical user inte...
To access the Database Home page: Ensure that the HTTPS port for EM Express is configured. 2. In your Web browser, enter the following URL: https://database-hostname:portnumber/em For example, if you installed the database on a host computer named mydbhost.example.com, and port number 5500 is c...
To configure operating system environment variables for your database instance on Linux and UNIX systems: 1. Open an operating system command window. 2. Ensure that the environment variables ORACLE_HOME and ORACLE_SID are set properly. The ...
To configure operating system environment variables for your database instance on Windows systems: 1. Open an operating system command window. Introduction to Oracle Enterprise Manager Database Express Getting Started with Database Administ...
To connect to an Oracle database from a client computer using easy connect naming: 1. Complete the steps in "Configuring the Operating System Environment Variables" on page 3-2. 2. Do one of the following to start SQL*Plus: ■ (UNIX, Linux, or Windows systems) Open a command window and...
