Coursera课程Python for everyone:Quiz: Single-Table SQL
2016-02-17 11:16
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Single-Table SQL
11 试题Delete data
Check Python code for errors
Create a table
Insert data
MAKE DATASET people;
MAKE people;
CREATE TABLE people;
CREATE people;
INSERT INTO
ADD ROW
INSERT ROW
INSERT AFTER
RETRIEVE * FROM Users
RETRIEVE all FROM User
SELECT all FROM Users
SELECT * FROM Users
GROUP BY
ORDER BY
WHERE
None of these
relation
attribute
field
row
Developer
UI/UX Designer
Project Manager
Database Administrator
SQLite
SQL Server
Oracle
MySQL
Postgres
The first row of the table will be deleted
All the rows in the table are deleted
All the rows without a primary key will be deleted
It is a syntax error
UPDATE Users (name) VALUES ('new name') WHERE ...
Users->name = 'new name' WHERE ...
Users.name='new name' WHERE ...
UPDATE Users SET name='new name' WHERE ...
It only retrieves the rows of Users if there are at least two rows
It is a syntax errror
It counts the rows in the table Users
It adds a COUNT column to the Users table
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