Поделиться
3_DB_development_didactic_l4_v1.docx
Appendixes 1-3
To add new fields to our DB Movies -Film director -Number of collected Oscars -Film genre -Name actor - age of actor -Rating actor -status better to break our database into several tables.
Demonstrates his version on the board, page 11.
For data integrity, you need to link tables. There are three types of links: One-to-many links Many-to-many links One-to-one links For a better understanding, you can give a home task to watch a video.
Материалы на данной страницы взяты из открытых источников либо размещены пользователем в соответствии с договором-офертой сайта. Вы можете сообщить о нарушении.
