How to View ORA Errors in Oracle

In the Oracle database, you can view ORA errors by checking the database log files and using SQL statements.

  1. View the log files in the database:
    In the installation directory of Oracle database, there is a log file named alert_instance_name.log. You can open this file using a text editor (such as Notepad++) and search for lines containing ORA errors.
  2. To query error information using SQL statements, you can utilize the following two system views to retrieve ORA error messages:
  1. V$DIAG_INFO: This view contains the current log file path and name of the database.
  2. V$DIAG_INCIDENT: This view contains diagnostic events and error information for the database.

You can use the following SQL statement to query ORA error information:

SELECT * FROM V$DIAG_INFO;
SELECT * FROM V$DIAG_INCIDENT;

These queries will return error information about the database, including error codes (ORA-XXXXX) and error descriptions.

Additionally, Oracle database management tools such as SQL*Plus or PL/SQL Developer can also be used to execute queries and view error messages.

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