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Introduction to SQL

Introduction to SQL
The SQL statementSELECT ROUND(45.926, -1) FROM DUAL;

is illegal
prints 50
prints garbage
prints 045.926

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Introduction to SQL
Which SQL statement is used to delete data FROM a database?

COLLAPSE
REMOVE
DELETE
ALTER

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Introduction to SQL
The FROM SQL clause is used to...

specify search condition
specify range for search condition
None of these
specify what table we are selecting or deleting data 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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Introduction to SQL
SQL is a data sublanguage.

True
False

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Introduction to SQL
Microsoft Access has become ubiquitous, and being able to program in Access is a critical skill.

False
True

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