Common Data Dictionary queries for ORACLE users

Common Data Dictionary queries for ORACLE users

View the default tablespace of the current user

SQL> select username, default_tablespace from user_users;

View the role of the current user

SQL> select * from user_role_privs;

View the system and table-level permissions of the current user

SQL> select * from user_sys_privs;

SQL> select * from user_tab_privs;

View All tables under a user

SQL> select * from user_tables;

Display User Information (tablespace)

Select default_tablespace, temporary_tablespace

From dba_users where username = 'game ';

1. User

View the default tablespace of the current user

SQL> select username, default_tablespace from user_users;

View the role of the current user

SQL> select * from user_role_privs;

View the system and table-level permissions of the current user

SQL> select * from user_sys_privs;

SQL> select * from user_tab_privs;

Displays the permissions of the current session.

SQL> select * from session_privs;

Displays the system permissions of a specified user.

SQL> select * from dba_sys_privs where grantee = 'game ';

Show privileged users

Select * from v $ pwfile_users;

Display User Information (tablespace)

Select default_tablespace, temporary_tablespace

From dba_users where username = 'game ';

Show user PROFILE

Select profile from dba_users where username = 'game ';

2. Tables

View All tables under a user

SQL> select * from user_tables;

View tables whose names contain log characters

SQL> select object_name, object_id from user_objects

Where instr (object_name, 'log')> 0;

View the creation time of a table

SQL> select object_name, created from user_objects where object_name = upper ('& table_name ');

View the size of a table

SQL> select sum (bytes)/(1024*1024) as "size (M)" from user_segments

Where segment_name = upper ('& table_name ');

View the table in the ORACLE memory Partition

SQL> select table_name, cache from user_tables where instr (cache, 'y')> 0;

3. Index

View the number and category of Indexes

SQL> select index_name, index_type, table_name from user_indexes order by table_name;

View indexed fields

SQL> select * from user_ind_columns where index_name = upper ('& index_name ');

View index size

SQL> select sum (bytes)/(1024*1024) as "size (M)" from user_segments

Where segment_name = upper ('& index_name ');

4. Serial number

View the serial number. last_number is the current value.

SQL> select * from user_sequences;

5. View

View view name

SQL> select view_name from user_views;

View the select statement for creating a view

SQL> set view_name, text_length from user_views;

SQL> set long 2000; Description: You can set the size of set long based on the text_length value of the view.

SQL> select text from user_views where view_name = upper ('& view_name ');

6. Synonyms

View synonym name

SQL> select * from user_synonyms;

7. Constraints

View the constraints of a table

SQL> select constraint_name, constraint_type, search_condition, r_constraint_name

From user_constraints where table_name = upper ('& table_name ');

SQL> select c. constraint_name, c. constraint_type, cc. column_name

From user_constraints c, user_cons_columns cc

Where c. owner = upper ('& table_owner') and c. table_name = upper ('& table_name ')

And c. owner = cc. owner and c. constraint_name = cc. constraint_name

Order by cc. position;

8. storage functions and processes

View the status of functions and processes

SQL> select object_name, status from user_objects where object_type = 'function ';

SQL> select object_name, status from user_objects where object_type = 'Procedure ';

View the source code of functions and processes

SQL> select text from all_source where owner = user and name = upper ('& plsql_name ');