Contents
How do I find Oracle version?
You can check the Oracle version by running a query from the command prompt. The version information is stored in a table called v$version. In this table you can find the version information for Oracle, PL/SQL, etc.
What is the difference between connection and session in Oracle?
A connection is a network, physical connection between you and Oracle database. A connection might be of two types: DEDICATED server and SHARED server. A session encapsulates user interaction with the database, from the moment user was authenticated until the moment the user disconnects.
How do I find the Database version?
how to check oracle version in sql developer
- In SQL Developer, click the Reports tab on the left, near the Connections navigator.
- In the Reports navigator, expand Data Dictionary Reports.
- Under Data Dictionary Reports, expand About Your Database.
- Under About Your Database, click Version Banner.
What is an Oracle session?
A session consists of every connection to the Oracle database by a user from a specific process. By tracking the number of Oracle sessions, we can track how busy a particular server is. This gives insight on how loaded an Oracle Database is. It also helps understand which users take more system resources.
How to alter session to create edition in Oracle?
ALTER SESSION SET EDITION = TEST_ED; Session altered. CREATE OR REPLACE EDITIONING VIEW e_view AS SELECT last_name, first_name, email, salary FROM employees; View created. The view in the TEST_ED edition has an additional column: DESCRIBE e_view Name Null?
How to display evaluation editions in Oracle Database?
To display the evaluation editions and unusable editions of materialized views, use the static data dictionary views *_MVIEWS (described in Oracle Database Reference ). Dropping the evaluation edition invalidates the materialized view. Dropping an edition where the materialized view is usable does not invalidate the materialized view.
How to change the edition of an edition in Oracle?
To disable, enable, or change the evaluation edition or unusable editions, use the ALTER MATERIALIZED VIEW statement, described in Oracle Database SQL Language Reference. To display the evaluation editions and unusable editions of materialized views, use the static data dictionary views *_MVIEWS (described in Oracle Database Reference ).
How many editions does an Oracle database need?
The database must have at least one edition. Every newly created or upgraded Oracle Database starts with one edition named ora$base. In a multitenant container database (CDB), the scope of an edition, editioning view, or crossedition trigger is the pluggable database (PDB) in which the feature was created.