how to pivot rows to columns in sql server code example

Example 1: sql server pivot rows to columns

select Firstname, Amount, PostalCode, LastName, AccountNumber
from
(
  select value, columnname
  from yourtable
) d
pivot
(
  max(value)
  for columnname in (Firstname, Amount, PostalCode, LastName, AccountNumber)
) piv;

Example 2: sql pivot rows to columns

SELECT *        -- Total invoices per gender
FROM (
    SELECT invoice, gender
    FROM sales
) d
PIVOT (
    sum(invoice)
    FOR gender IN ('F' AS "Women", 'M' AS "Men")
);
-- Table Sales:
CREATE TABLE sales (
    gender VARCHAR2(1 BYTE),		-- 'F' or 'M'
    invoice NUMBER
);