



Cơ sở dữ liệu quan hệ
In Stock
$34.99
$29.99
Shipping and Returns Policy
- Deliver to United States » Shipping Policy «
- - Shipping Cost: $5.99
- - Handling time: 2-3 business days
- - Transit time: 7-10 business days
- Eligible for » Returns & Refund Policy « within 30 days from the date of delivery
Find similar items here:
ví dụ về cơ sở dữ liệu quan hệ
- Ảnh hưởng của các ràng buộc (ví dụ FOREIGN KEY với ON DELETE CASCADE/SET NULL/RESTRICT) đến việc xóa dữ liệu Lệnh DELETE
- Ràng buộc toàn vẹn tham chiếu Mô hình quan hệ
- Tham gia (Join)
- Xử lý lỗi khi INSERT
- Sử dụng toán tử (operators) Các loại câu lệnh SQL
- Lọc sinh viên có tuổi lớn hơn 20 Mệnh đề WHERE
- Truy vấn với mệnh đề WHERE và toán tử logic Lệnh SELECT
- SELECT danh_sach_cot FROM ten_bang WHERE dieu_kien ORDER BY cot Lệnh SELECT
- Khóa ngoại
- Ràng buộc miền Mô hình quan hệ
-
Next Day Delivery by USPS
Find out more
Order by 9pm (excludes Public holidays)
$11.99
-
Express Delivery - 48 Hours
Find out more
Order by 9pm (excludes Public holidays)
$9.99
-
Standard Delivery $6.99 Find out more
Delivered within 3 - 7 days (excludes Public holidays).
-
Store Delivery $6.99 Find out more
Delivered to your chosen store within 3-7 days
Spend over $400 (excluding delivery charge) to get a $20 voucher to spend in-store -
International Delivery Find out more
International Delivery is available for this product. The cost and delivery time depend on the country.
You can now return your online order in a few easy steps. Select your preferred tracked returns service. We have print at home, paperless and collection options available.
You have 28 days to return your order from the date it’s delivered. Exclusions apply.
View our full Returns and Exchanges information.
Our extended Christmas returns policy runs from 28th October until 5th January 2025, all items purchased online during this time can be returned for a full refund.
No reviews yet. Only logged in customers who have purchased this product may leave a review.