
SQL Concepts Flashcards
Flashcard
•
Computers
•
11th Grade
•
Practice Problem
•
Hard
Thanh Đỗ
Used 4+ times
FREE Resource
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14 questions
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1.
FLASHCARD QUESTION
Front
CHAR(W)
Back
Giá trị là một xâu ký tự có độ dài cố định là W, W ( [NOT NULL], …)
2.
FLASHCARD QUESTION
Front
DROP TABLE
Back
Cú pháp để xóa bảng.
3.
FLASHCARD QUESTION
Front
ORDER BY
Back
Sắp xếp.
4.
FLASHCARD QUESTION
Front
GROUP BY
Back
Chia nhóm.
5.
FLASHCARD QUESTION
Front
SELECT * FROM
Back
Đưa ra tất cả các hàng, các cột.
6.
FLASHCARD QUESTION
Front
Phép toán so sánh
Back
=, <>, >=, <=.
7.
FLASHCARD QUESTION
Front
Các phép toán logic
Back
AND, OR, NOT.
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