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Introduction to SQL

Introduction to SQL
ON UPDATE CASCADE ensures which of the following?

All of these
Materialized Views
Data Integrity
Normalization

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Introduction to SQL
Which of the following is a SQL aggregate function?

LEFT
JOIN
AVG
LEN

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Introduction to SQL
When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s):

LIKE only.
Both IN and NOT IN.
NOT IN only.
IN only.

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Introduction to SQL
The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.

False
True

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Introduction to SQL
Which of the following is the correct order of keywords for SQL SELECT statements?

SELECT, FROM, WHERE
FROM, WHERE, SELECT
WHERE, FROM,SELECT
SELECT,WHERE,FROM

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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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