
選修A CH1 (1.1-1.4)

Flashcard
•
Computers
•
11th Grade
•
Hard
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5 questions
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1.
FLASHCARD QUESTION
Front
小健正準備創建數據表 STUDENTS,其中一個欄位用作記錄學生編號 (SID),已知學生編號為6位數字,頭兩位數字是以該學生入學年份作編號的首兩位,如:(25XXXX),它的數據類型應為?
Back
CHAR (6)
2.
FLASHCARD QUESTION
Front
字串、日期等數據類型應使用__括起來。
Back
單引號
3.
FLASHCARD QUESTION
Front
UPDATE...SET 和 DELETE FROM 指令多與_____指令配合使用,否則將會整個數據表的記錄更新或刪除。
Back
WHERE
4.
FLASHCARD QUESTION
Front
小健已創建數據表 STUDENTS,並按以下欄位順序建立:學生編號 (SID)、學生名稱(SNAME)、高度(HEIGHT)。以下哪句指令不能順利在STUDENTS中加入記錄?
INSERT INTO STUDENTS VALUES ('251001' , 'King' , 153) ;
INSERT INTO STUDENTS (SID, HEIGHT) VALUES ('251001' , 153) ;
INSERT INTO STUDENTS VALUES ('251001' , 'King' , 153) ;
INSERT INTO STUDENTS VALUES ('251001' , King , 153);
Back
INSERT INTO STUDENTS VALUES ('251001' , King , 153);
5.
FLASHCARD QUESTION
Front
使用CREATE TABLE指令時,哪類元素是不應使用?
選項: 欄位, 數據類型, 篩選指令, 數據表名稱
Back
篩選指令
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