
MY SQL Chapter-3

Quiz
•
Computers
•
Professional Development
•
Easy
Bharati Ramageri
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the error in this SQL statement: INSERT INTO Order (ID, Product) VALUES (101, 'Laptop');
Table name should be Orders
Syntax is correct
Missing semicolon at the end
The Product column does not exist
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the VARCHAR data type in MySQL?
To store fixed-length strings
To store variable-length strings
To store large text objects
To store integers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which data type would be best for storing an email address?
CHAR(50)
VARCHAR(100)
TEXT
BLOB
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between CHAR and VARCHAR data types in MySQL?
CHAR stores binary data, VARCHAR does not
CHAR has unlimited length, VARCHAR is limited
CHAR is variable-length, VARCHAR is fixed-length
CHAR is fixed-length, VARCHAR is variable-length
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the following SQL command achieve? CREATE TABLE Orders (OrderID INT, OrderDate DATETIME DEFAULT CURRENT_TIMESTAMP);
Creates a table with two columns without defaults
Creates a table and sets a default timestamp for OrderDate
Creates a table and makes OrderDate a primary key
None of the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is incorrect in the following SQL statement? CREATE TABLE Users (ID INT, Name CHAR(20), Email VARHCAR(100));
Spelling mistake in data type for Email
ID should be VARCHAR
Name should be TEXT
Syntax is correct
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the UPDATE statement do in SQL?
Deletes records
Modifies existing records
Inserts new records
Creates a table
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