1NF, A table consisting of unique rows and atomic values, 2NF, A table that contains no partial dependencies, on top of meeting previous requirements., 3NF, There are no transitive relationships, on top of meeting previous requirements., Atomic Values, There is only one value in each field, Primary Key, A unique identifier for each record in the table., Foreign Key, A key from another table that links related tables.

1.3.2: Databases

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?