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Introduction to SQL

Introduction to SQL
The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows.

True
False

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Introduction to SQL
You can add a row using SQL in a database with which of the following?

CREATE
ADD
INSERT
MAKE

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Introduction to SQL
SQL is a programming language.

False
True

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Introduction to SQL
Which of the following are the five built-in functions provided by SQL?

SUM, AVG, MULT, DIV, MIN
COUNT, SUM, AVG, MAX, MIN
SUM, AVG, MIN, MAX, NAME
SUM, AVG, MIN, MAX, MULT

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Introduction to SQL
How to select all data from student table starting the name from letter 'r'?

SELECT * FROM student WHERE name LIKE '%r%';
SELECT * FROM student WHERE name LIKE '_r%';
SELECT * FROM student WHERE name LIKE 'r%';
SELECT * FROM student WHERE name LIKE '%r';

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Introduction to SQL
Which of the following command makes the updates performed by the transaction permanent in the database?

DELETE
ROLLBACK
TRUNCATE
COMMIT

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