#1048

Prices Cannot Be Negative

Design the prices table so invalid amounts cannot enter the database. It needs id as the primary key and required amount as numeric; amount must satisfy amount >= 0.

Díreach CREATE/ALTER/DROP — ní gá SELECT ina dhiaidh sin.

Beidh toradh d'iarratais le feiceáil anseo

Gan scéim tosaithe

Tosaíonn an tasc seo gan táblaí — cruthóidh tú iad le CREATE TABLE.