updating in sql code example
Example 1: sql update query
--update query example
UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;
Example 2: sql update from select
UPDATE YourTable
SET Col1 = OtherTable.Col1,
Col2 = OtherTable.Col2
FROM (
SELECT ID, Col1, Col2
FROM other_table) AS OtherTable
WHERE
OtherTable.ID = YourTable.ID
Example 3: sql update
/*Swap f to m and m to f*/
UPDATE salary
SET
sex = CASE sex
WHEN 'm' THEN 'f'
ELSE 'm'
END;