psql update row code example

Example 1: sql update query

--update query example
 UPDATE table_name
 SET column1 = value1, column2 = value2, ...
 WHERE condition;

Example 2: update value postgresql

UPDATE table
SET column1 = value1,
    column2 = value2 ,...
WHERE
	condition;

Example 3: sql update from select

UPDATE
    Table_A
SET
    Table_A.col1 = Table_B.col1,
    Table_A.col2 = Table_B.col2
FROM
    Some_Table AS Table_A
    INNER JOIN Other_Table AS Table_B
        ON Table_A.id = Table_B.id
WHERE
    Table_A.col3 = 'cool'

Example 4: update record in postgreps

UPDATE table_name
SET column1 = value1,
    column2 = value2,
    ...
WHERE condition;