![]() Insert into dbo.secret(id,msg) values (1, 'secret data')Ĭreate trigger t on schema1. Grant alter, insert on schema::schema1 to AĬreate table dbo.secret(id int, msg varchar(200)) CREATE USER Adds a new user to a PostgreSQL database cluster. ![]() psql It is a terminal-based front-end to PostgreSQL. adduser Linux adduser command to add a user to /etc/passwd file. Generally you never want a user to be able to create objects that will be owned by a different (and especially a privileged) user.ĮG, just granting CREATE TABLE, ALTER, and INSERT creates a security hole: use master You need to use the following commands to add or create a user account and grant permission for database: ADVERTISEMENT. ![]() However in this scenario you can easily create a security hole with Ownership Chains. This is called "Ownership Chaining" and it's what makes Views and Stored Procedures really simple ways to control security, as a user who has permissions on a View or Stored Procedure does not need to be granted permissions on the underlying Table, so long as the View/Proc is has the same owner as the Table. Granting a user the ability to alter another user's schema gives that user the ability to SELECT, INSERT, UPDATE and DELETE rows in any table owned by the owner of that schema. ![]() The safe way to do this is to make A owner of that Schema. TO usernamelocalhost IDENTIFIED BY password The previous command grants the user all permissions on all databases. Replace username with the user you want to create, and replace password with the users password: GRANT ALL PRIVILEGES ON. I want to give Create, alter and drop permission to user A on a schema1 of a database To create a database user, type the following command.
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