Oracle Grant Query Access Guide

In Oracle, you can grant query access to users by following these steps:

1. First, log in to the Oracle database as a system administrator.
2. Grant users querying permission with the following statement:

GRANT SELECT ON table_name TO user_name;

table_name is the name of the table to grant query permissions to, and user_name is the username to grant query permissions to.

1. To grant users permission to query the entire database, you can use the following statement:

GRANT SELECT ANY TABLE TO user_name;

This will allow users to perform query operations on any table in the database.

1. To grant users permissions to query all tables in a specific schema, the following statement can be used:

GRANT SELECT ANY TABLE TO user_name WITH ADMIN OPTION;

This will allow users to query all tables in the specified schema, and users can also grant the same permissions to other users.

It is important to be cautious when granting users query permissions, considering security and privacy issues to ensure users only access the necessary data. It is also recommended to assign users the minimum necessary permissions to reduce potential security risks.