![]() ![]() ![]() GRANT all ON tablename TO username Command to revoke table operation permissions from a role REVOKE permission ON tablename FROM username Command to delete a role DROP ROLE username SELECT、INSERT、UPDATE、DELETE、TRUNCATE、REFERENCES、TRIGGER、ĬREATE、CONNECT、TEMPORARY、EXECUTE、USAGE から選択 # ⬆ Please input tablename:tablename, username:username. GRANT permissions ON tablename TO username Command to give the created role a password and LOGIN permission # Set the passwordĪLTER ROLE username LOGIN Command to grant table operation permissions to the role # If you want to give individual permissions # ⬆ Since LOGIN is not attached, you cannot log in even though you are a superuser. # It's okay without password setting (you can set it later) # It's okay without login permission (you can set it later)ĬREATE ROLE testuser PASSWORD 'password' # ⬆ If you don't put LOGIN, you won't be able to log in. # ⬆ Please insert username:username, password:password. X: REFERENCES Command to create a new role # In the case of a general userĬREATE ROLE username LOGIN PASSWORD 'password' Public | mytable | table | taro=arwdDxt/taro+ | | Schema | Name | Type | Access privileges | Column privileges | Policies The following way, permissions can be assigned for each table. Taro | Superuser, Create role, Create DB, Replication, Bypass RLS | Command to check each role’s permissions The following commands are typed after entering the SQL input reception state. Operation of roles (Who has what kind of authority and can access which table) ![]() UPDATE mytable SET name = 'Asai' where id = 2 INSERT INTO mytable VALUES (2, 'Nakagawa') # Create table (Table name, column name are just examples.) Table CRUD (Create, Read, Update, Delete) # Check the column information of a tableĬolumn | Type | Collation | Nullable | Default \dt # No need for a semicolon at the end is OK # ⬆Execution result (when 'test' is specified as the database name)Ĭommand to Exit from SQL Input Reception State \q # Don't append a semicolon at the endĬommands to Check the List of Tables and View Column Information of Tables # Check the list of tables (For the current user name, host: localhost # In the following conditions, only database name input is OK Template1 | *** | UTF8 | C | C | ***=CTc/***+Ĭommands to Create and Delete Databases # Create a new databaseĭropdb database_name Commands Related to Tables Command to Enter the SQL Input Reception State psql -h hostname -p port_number -U role_name -d database_name Name | Owner | Encoding | Collate | Ctype | Access privileges # Below is the execution result (example) The initial state of “PostgreSQL” is shown below. It’s a command to check the existing databases. # (Reference) Check the list of services running on brewĭatabase Operation Commands Command to Check the List of Databases ![]() I believe using brew for these operations is the easiest method as well. Here are the operations related to starting and stopping. (For some reason, it was not necessary in my current environment.) initdb /usr/local/var/postgres -E utf8īy default, your current Mac username will be added to the PostgreSQL username. (Optional) The method of use will be described in detail later. Next, install ‘pgAdmin’ which allows you to operate visually. All you have to do is open the terminal and enter the following: brew install postgresql The easiest way to do this is by using brew. ![]()
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