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Introduction to SQL

Introduction to SQL
SUM, AVG, MIN, and MAX can only be used with numeric columns.

False
True

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Introduction to SQL
Which of the following do you need to consider when you make a table in SQL?

Default values
Data types
All of these
Primary keys

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Introduction to SQL
The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs

TRUE
FLASE
Nothing
Hi

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Introduction to SQL
What is the meaning of LIKE '%0%0%'

Feature begins with two 0's
Feature has more than two 0's
Feature has two 0's in it, at any position
Feature ends with two 0's

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Introduction to SQL
The format SELECT-FROM-WHERE is the fundamental framework of SQL SELECT statements.

True
False

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

ROLLBACK
COMMIT
TRUNCATE
DELETE

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