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Trắc Nghiệm SQL - Bài 37
What does SQL stand for? Structured Question Language Strong Question Language Structured Query Language Structured Queue Language...... What does the SQL FROM clause do? Specifies a search condition. Specifies the tables to retrieve rows from. Specifies the columns we are retrieving Specifies the attributes to retrieve rows from. ......
Thời gian bắt đầu: Hôm nay lúc 15:10:05(Server time)
Số câu hỏi: 10.   Tổng điểm: 10
Thời gian làm bài: 20 phút.  Thời gian còn lại: 
Cỡ chữ câu hỏi:  Cỡ chữ đáp án:
1-
What does SQL stand for?
A-
Structured Question Language
B-
Strong Question Language
C-
Structured Query Language
D-
Structured Queue Language
2-
What does the SQL FROM clause do?
A-
Specifies a search condition.
B-
Specifies the tables to retrieve rows from.
C-
Specifies the columns we are retrieving
D-
Specifies the attributes to retrieve rows from.
3-
Which of the following SQL clauses is used to enter data into a SQL table?
A-
INSERT INTO
B-
WRITE
C-
ENTER
D-
SELECT
4-
Which 2 SQL keywords specify the sorting direction of the result set retrieved with ORDER BY clause.
A-
ASC and DESC
B-
HIGH and LOW
C-
UP and DOWN
D-
Top and Bottom
5-
We refer to a join as a self-join when?
A-
We are using left and right join together
B-
We are joining two tables only
C-
We are joining more than 2 tables
D-
We are joining table to itself
6-
RDBMS stands for?
A-
Real Database Management System
B-
Relational Database Management System
C-
Read Database Master System
D-
Realtime Database Management System
7-
The table rows are also known as?
A-
Attributes
B-
Fields
C-
Records
D-
Entity
8-
If you join a table to itself, what kind of join are you using?
A-
Selective Join.
B-
Natural Joun
C-
You can't join a table to itself.
D-
Self Join
9-
The UPDATE SQL clause can?
A-
update only one row at a time.
B-
update more than one row at a time.
C-
delete more than one row at a time.
D-
delete only one row at a time.
10-
Which SQL statement selects all rows from table called Contest, with column ContestDate having values greater or equal to May 25, 20006?
A-
SELECT * FROM Contest HAVING ContestDate >= '05/25/2006'
B-
SELECT * FROM Contest WHERE ContestDate < '05/25/2006'
C-
SELECT * FROM Contest GROUPBY ContestDate >= '05/25/2006'
D-
SELECT * FROM Contest WHERE ContestDate >= '05/25/2006'
[ Thành Lãm - ST ]

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