cheat.sheets/sheets/_psql/update

-- Insert a new row into a table
INSERT INTO table(column1,column2,...)
VALUES(value_1,value_2,...);

-- Insert multiple rows into a table
INSERT INTO table_name(column1,column2,...)
VALUES(value_1,value_2,...),
      (value_1,value_2,...),
      (value_1,value_2,...)...

-- Update data for all rows
UPDATE table_name
SET column_1 = value_1,
    ...;

-- Update data for a set of rows specified by a condition in WHERE clause
UPDATE table
SET column_1 = value_1,
    ...
WHERE condition;

-- Delete all rows of a table
DELETE FROM table_name;

-- Delete specific rows based on a condition
DELETE FROM table_name
WHERE condition;