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Troubleshooting Guide: Windows 11 Taskbar Not Showing - How to Fix It

  If your Windows 11 taskbar is not showing, you can try several troubleshooting steps to resolve the issue. Here are some potential solutions you can try:

Creating a Read-Only User in PostgreSQL: Secure and Controlled Data Access

 To create a read-only user in PostgreSQL, you can follow these steps:

  1. Connect to your PostgreSQL database using an account with administrative privileges. You can use a tool like psql or a graphical client.

  2. Once connected, run the following SQL command to create a new user:

    sql
    CREATE USER your_username WITH PASSWORD 'your_password';

    Replace your_username with the desired username for the read-only user, and your_password with the desired password.

  3. Grant the necessary permissions to the user. In this case, you want to provide read-only access, so you can grant the SELECT privilege on the desired tables or schemas.

    For example, to grant SELECT access on all tables in a specific schema:

    sql
    GRANT SELECT ON ALL TABLES IN SCHEMA your_schema TO your_username;

    Replace your_schema with the name of the schema containing the tables you want to provide read-only access to.

    If you want to grant SELECT access on specific tables, you can use the following command for each table:

    sql
    GRANT SELECT ON your_table TO your_username;

    Replace your_table with the name of the table you want to grant access to.

  4. Optionally, you may also want to revoke certain privileges from the user, such as INSERT, UPDATE, or DELETE, to enforce read-only access more strictly. You can use the REVOKE command to revoke these privileges if necessary.

    For example, to revoke INSERT, UPDATE, and DELETE privileges on a specific table:

    sql
    REVOKE INSERT, UPDATE, DELETE ON your_table FROM your_username;

    Replace your_table with the name of the table from which you want to revoke privileges.

That's it! You have now created a read-only user in PostgreSQL with the appropriate access privileges.

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