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Introduction to SQL

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

All of these
Materialized Views
Normalization
Data Integrity

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Introduction to SQL
The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column.

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
DELETE
TRUNCATE
COMMIT

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Introduction to SQL
DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement.

False
True

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Introduction to SQL
The benefits of a standard relational language include which of the following?

Increased dependence on a single vendor
All of these
Applications are not needed
Reduced training costs

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Introduction to SQL
SQL provides five built-in functions: COUNT, SUM, AVG, MAX, MIN.

True
False

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