Oracle: Get database, tables and instances access permissions

Oracle user get permissions of table database and instances access
If you are logged in to Oracle SQL server with sqlplus and you're not sure to which Database, Tables, Object instances you have permissions to below 2 queries will be of use:

SQL> SELECT DISTINCT OWNER, OBJECT_NAME  FROM ALL_OBJECTS  WHERE OBJECT_TYPE = 'TABLE';

Query lists all queries in a Oracle table schema. Alternavite shorter way to do the query is via:

SQL> SELECT table_name FROM user_tables;

SQL> SELECT * FROM TAB;

Shows your own schema's all tables and views.

Other oracle useful query is the Oracle equivalent of MySQL SHOW TABLES;

SQL> SELECT table_name FROM user_tables;

It will also output info only for logged in user credentials, if you're logged in as oracle database administrator (DBA role) account and you would like to check what Instances are owned by any user lets say user GEORGI query should be;

SQL> SELECT DISTINCT OWNER, OBJECT_NAME  FROM ALL_OBJECTS  WHERE OBJECT_TYPE = 'TABLE' AND OWNER = 'GEORGI;

Other way to do it is via:

SQL> SELECT Table_Name from All_Tables WHERE OWNER = 'YOURSCHEMA';


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