The methods to view Oracle database names are: Direct method: use SELECT statement to query the v$database view. Indirect method: Use tools such as SQL*Plus command line client, Oracle SQL Developer, or Java API to connect to the database.
How to view Oracle database name
Direct way:
Use the SELECT statement to query v$database view:
<code class="sql">SELECT name FROM v$database;</code>
Indirect method:
-
Using the SQL*Plus command line client:
- Connect to the database.
- Execute the
SHOW USERcommand to get the current database name.
-
Using Oracle SQL Developer:
- Open a database connection in Oracle SQL Developer.
- In the navigation tree, expand the database node and the database name will be displayed under the node.
-
Using Java API:
- Import
oracle.jdbc.driver.OracleConnection. - After connecting to the database, use
OracleConnection.getDatabaseName()method to get the database name.
- Import
Example:
<code class="java">import oracle.jdbc.driver.OracleConnection; // Connect to the database Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe", "system", "oracle"); // Get and print the database name OracleConnection oracleConn = (OracleConnection) conn; System.out.println("Database name: " oracleConn.getDatabaseName()); // Close the connection conn.close();</code>The above is the detailed content of How to view the database name of oracle. For more information, please follow other related articles on the PHP Chinese website!
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