Each row of data in a table is iden

Each row of data in a table is identified by a unique "key", called the primary key. The primary key is often an automatically incrementing number like 1, 2, 3 4.... etc. Data in different tables can be linked together using keys. The primary key values of one table can be added to rows of a different table, thereby linking those rows together.

Dữ liệu trong các bảng khác nhau có thể liên kết với nhau bằng cách sử dụng keys. Các giá trị khoá chính của một bảng có thể được thêm vào hàng của một bảng khác, do liên kết các hàng với nhau

Results (English) 1:

Each row of data in a table is identified by a unique "key", called the primary key. The primary key is often an automatically incrementing number like 1, 2, 3, 4. ... etc. Data in different tables can be linked together using keys. The primary key values of one table can be added to the rows of a different table, thereby linking those rows together.Data in different tables can be linked together by using the keys. The primary key values of a table can be added to the rows of a table to another, by linking the rows together

Results (English) 2:

Each row of data in a table is Identified by a unique "key", gọi the primary key. The primary key is an automatically incrementing number often Do like 1, 2, 3, 4 .... etc. Data in tables can be linked together khác using keys. The primary key values of one table can be added to rows of a different table, thereby linking together những rows.

The data in different tables can be linked together using the keys. The primary key values of a table can be added to different rows of a table, by linking with each other