The Full Stack Web Development - An Overview of SQL

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Information Technology (IT), Architecture
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does SQL stand for?
Systematic Query Language
Sequential Query Language
Simple Query Language
Structured Query Language
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a component of SQL language elements?
Predicates
Clauses
Functions
Expressions
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a primary key in a SQL table?
To allow duplicate values
To uniquely identify each record
To store null values
To automatically increment values
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a field is set to auto-increment?
It prevents null values
It sets a default value
It generates a unique number for each new record
It allows duplicate values
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which SQL operation is used to retrieve data without modifying the database?
DELETE
UPDATE
SELECT
INSERT
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which clause is used to filter records in a SQL query?
JOIN
BETWEEN
LIKE
WHERE
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the LIKE operator do in a SQL query?
Combines rows from multiple tables
Searches for a specific pattern
Specifies multiple values
Selects values within a range
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