andy andy - 4 months ago 11
SQL Question

How to show present privileges on table in IBM DB2 Z/OS with SQL

Is there an SQL way to show the privileges present on a table or view in DB2 Z/OS? I would like to achieve something like this:

select * from sysibm.magic_table where table_name = 'users'

|TABLE_NAME|PRIVILEGE_TYPE|USER_OR_GROUP_NAME|
| USERS| INSERT| ANDI|
| USERS| SELECT| ADMINS|


Is that possible?

Answer

This query tells the user / role names in the grantee column and the various assigned rigths in the ...auth columns where Y = right present, G = right present and right to grant it to others.

SELECT
    grantee,
    screator,
    stname,
    tcreator,
    ttname,
    updatecols,
    alterauth,
    deleteauth,
    indexauth,
    insertauth,
    selectauth,
    updateauth
FROM
    SYSIBM.SYSTABAUTH
WHERE
    TTNAME = 'MY_TABLE'
    AND TCREATOR = 'MY_SCHEMA' 

Sample result set:

|GRANTEE  |SCREATOR |STNAME  |TCREATOR |TTNAME  |UPDATECOLS|ALTERAUTH|DELETEAUTH|INDEXAUTH|INSERTAUTH|SELECTAUTH|UPDATEAUTH|
============================================================================================================================
|MY_SCHEMA|MY_SCHEMA|MY_TABLE|MY_SCHEMA|MY_TABLE|          |         |         G|         |         G|         G|         G|
|USER2    |MY_SCHEMA|MY_TABLE|MY_SCHEMA|MY_TABLE|          |         |         Y|         |         Y|         Y|         Y|
|USER3    |MY_SCHEMA|MY_TABLE|MY_SCHEMA|MY_TABLE|          |         |         Y|         |         Y|         Y|         Y|
|GROUP1   |MY_SCHEMA|MY_TABLE|MY_SCHEMA|MY_TABLE|          |         |         Y|         |         Y|         Y|         Y|
|GROUP2   |MY_SCHEMA|MY_TABLE|MY_SCHEMA|MY_TABLE|          |         |         Y|         |         Y|         Y|         Y|
|GROUP3   |MY_SCHEMA|MY_TABLE|MY_SCHEMA|MY_TABLE|          |         |          |         |          |         Y|          |
|GROUP4   |MY_SCHEMA|MY_TABLE|MY_SCHEMA|MY_TABLE|          |         |         Y|         |         Y|         Y|         Y|

IBM documentation of SYSIBM.SYSTABAUTH (Thanks to @mustaccio)

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