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What does the grant command do in PostgreSQL?
The GRANT command has two basic variants: one that grants privileges on a database object (table, column, view, foreign table, sequence, database, foreign-data wrapper, foreign server, function, procedure, procedural language, schema, or tablespace), and one that grants membership in a role.
How to create a user in PostgreSQL database?
1. Switch to postgres user 2. Enter the the interactive terminal for working with Postgres 3. Create the database (change database_name) 4. Create user (change my_username and my_password) 5. Grant privileges on database to user
Is the sequence usage privilege a PostgreSQL extension?
The sequence privileges SELECT and UPDATE are PostgreSQL extensions. The application of the sequence USAGE privilege to the currval function is also a PostgreSQL extension (as is the function itself). Privileges on databases, tablespaces, schemas, and languages are PostgreSQL extensions.
How to change the default privileges in PostgreSQL?
Also, these initial default privilege settings can be changed using the ALTER DEFAULT PRIVILEGES command. The possible privileges are: Allows SELECT from any column, or the specific columns listed, of the specified table, view, or sequence. Also allows the use of COPY TO.
The GRANT command has two basic variants: one that grants privileges on a database object (table, column, view, sequence, database, foreign-data wrapper, foreign server, function, procedural language, schema, or tablespace), and one that grants membership in a role.
What is the alter sequence in PostgreSQL 8.4?
Restart a sequence called serial, at 105: ALTER SEQUENCE conforms to the SQL standard, except for the START WITH, OWNED BY, OWNER TO, RENAME TO, and SET SCHEMA clauses, which are PostgreSQL extensions.
What are the default privileges in PostgreSQL 8.4?
Depending on the type of object, the initial default privileges might include granting some privileges to PUBLIC. The default is no public access for tables, columns, schemas, and tablespaces; CONNECT privilege and TEMP table creation privilege for databases; EXECUTE privilege for functions; and USAGE privilege for languages.
What happens if you drop a sequence in PostgreSQL?
The OWNED BY option causes the sequence to be associated with a specific table column, such that if that column (or its whole table) is dropped, the sequence will be automatically dropped as well. If specified, this association replaces any previously specified association for the sequence.