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SQL-4-select

Authored by 邱建誌 邱建誌

Computers

11th Grade

Used 8+ times

SQL-4-select
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

插入資料指令insert,

其格式為

insert into 表名

( ) values ( )

insert into 表名

( ) value ( )

insert 表名 into

( ) values ( )

add into 表名

( ) values ( )

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若有資料表user,有2欄位 name跟 password

要放入值 「蔡依林」 跟 「1234」

則指令為?

insert into name='蔡依林', password='1234'

insert into user

name='蔡依林', password='1234'

insert into user (name,password) values ('蔡依林','1234')

insert into user (name,password) values (蔡依林,1234)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

若圖,name無法儲存中文。

則何者錯誤?

這是編碼問題

可以在建表時最後面加上charset=utf8mb4

建表指令為

create table book(

isbn varchar(13) not null,

name varchar(100),

primary key(isbn)

) charset=utf8mb4

那是資料錯誤,

不用處理

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如上表,isbn是主鍵(有黃色key符號)

如下表,已有2筆資料,

則下列何者錯誤?

還可以新增一筆資料

isbn=123,

name=哈利

還可新增一資料

isbn=125

name的編碼是

utf8mb4_general_ci

空值(Null)若為是,

表示可為空值,

也就是不放資料

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

擷取select指令的格式為?

select * from 表名 where 條件

select 表名 where 條件

select * from 條件

select * from 表名 for 條件

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

有使用者的資料表user,生日欄位分成

birthy,表示西元年。birthm表示月,birthd表示日

若想找出所有出生年是2005年的人,則指令為?

select * from user where birthy='2005'

select * from user find birthy='2005'

select * user where birthy='2005'

select * from user where birthy=2005

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若有資料表book,有書名欄位name,

想從欄位name中找出所有「哈」字開頭的書,

則指令為?

select * from book where name = '哈%'

select * from book where name like '哈%'

select * from book where name = 哈%

select book where name = '哈%'

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