How to Get Column List Of Synonym In Oracle?

6 minutes read

To get the column list of synonyms in Oracle, you can query the DBA_SYNONYMS data dictionary view. This view contains information about the synonyms defined in the database, including the columns they reference. By querying this view, you can retrieve the column list of synonyms in Oracle.

Best Oracle Books to Read of November 2024

1
Oracle PL/SQL by Example (The Oracle Press Database and Data Science)

Rating is 5 out of 5

Oracle PL/SQL by Example (The Oracle Press Database and Data Science)

2
Oracle Database 12c DBA Handbook (Oracle Press)

Rating is 4.9 out of 5

Oracle Database 12c DBA Handbook (Oracle Press)

3
Oracle Database Administration: The Essential Refe: A Quick Reference for the Oracle DBA

Rating is 4.8 out of 5

Oracle Database Administration: The Essential Refe: A Quick Reference for the Oracle DBA

4
Oracle DBA Mentor: Succeeding as an Oracle Database Administrator

Rating is 4.7 out of 5

Oracle DBA Mentor: Succeeding as an Oracle Database Administrator

5
OCA Oracle Database SQL Exam Guide (Exam 1Z0-071) (Oracle Press)

Rating is 4.6 out of 5

OCA Oracle Database SQL Exam Guide (Exam 1Z0-071) (Oracle Press)

6
Oracle Database 12c SQL

Rating is 4.5 out of 5

Oracle Database 12c SQL

7
Oracle Autonomous Database in Enterprise Architecture: Utilize Oracle Cloud Infrastructure Autonomous Databases for better consolidation, automation, and security

Rating is 4.4 out of 5

Oracle Autonomous Database in Enterprise Architecture: Utilize Oracle Cloud Infrastructure Autonomous Databases for better consolidation, automation, and security


How to list all synonyms owned by a specific user in Oracle?

To list all synonyms owned by a specific user in Oracle, you can run the following SQL query:

1
2
3
SELECT *
FROM all_synonyms
WHERE owner = 'specific_user';


Replace 'specific_user' with the actual username of the user whose synonyms you want to list. This query will retrieve all synonyms owned by the specific user from the all_synonyms data dictionary view.


How to alter the definition of a synonym in Oracle?

To alter the definition of a synonym in Oracle, you can use the following syntax:


ALTER SYNONYM [synonym_name] REPLACE WITH [new_definition];


For example, if you have a synonym called "emp" that points to a table called "employees", and you want to change it to point to a different table called "staff", you can do the following:


ALTER SYNONYM emp REPLACE WITH staff;


Make sure you have the necessary privileges to alter synonyms in the Oracle database.


What is the purpose of the dba_synonyms view in Oracle?

The dba_synonyms view in Oracle displays information about all synonyms in the database, including the owner of the synonym, the name of the synonym, and the underlying object that the synonym points to.


The purpose of the dba_synonyms view is to allow database administrators to easily manage and track synonyms within the database. By querying this view, administrators can quickly see which synonyms exist, who owns them, and what objects they reference. This information is valuable for ensuring data consistency, managing permissions, and troubleshooting potential issues related to synonyms.


How to refresh the definition of a synonym in Oracle?

To refresh the definition of a synonym in Oracle, you can use the following steps:

  1. Connect to your Oracle database using a SQL client such as SQL*Plus or SQL Developer.
  2. Run the following command to refresh the definition of the synonym:
1
ALTER PUBLIC SYNONYM <synonym_name> REFRESH;


Replace <synonym_name> with the name of the synonym you want to refresh.

  1. Verify that the definition of the synonym has been refreshed by selecting from the synonym or using it in a query.


By following these steps, you can ensure that the definition of the synonym is up-to-date and reflects any changes in the underlying object it references.

Facebook Twitter LinkedIn Telegram

Related Posts:

To copy one column of data into another column in Oracle, you can use the UPDATE statement. Here&#39;s the procedure:Start by opening a SQL command line or any Oracle client tool.Identify the table name where you want to copy the data within columns.Construct ...
To connect Oracle to Laravel, you will first need to install the required Oracle drivers for PHP. You can do this by downloading the Oracle Instant Client from the Oracle website and then installing the necessary PHP extension for connecting to Oracle database...
To pass a list from Java to an Oracle procedure, you can use an array or a collection type in Java to represent the list data. You can then pass this array or collection as a parameter to the Oracle procedure using JDBC. The Oracle procedure should be designed...