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Introduction to SQL

Introduction to SQL
The SQL keyword(s) ________ is used with wildcards.

IN only
LIKE only
NOT IN only
IN and NOT IN

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Introduction to SQL
The SQL keyword GROUP BY instructs the DBMS to group together those rows that have the same value in a column.

False
True

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

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

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Introduction to SQL
Which of the following SQL commands is used to retrieve data?

SELECT
DELETE
JOIN
INSERT

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Introduction to SQL
The command to eliminate a table from a database is:

UPDATE TABLE CUSTOMER;
DELETE TABLE CUSTOMER;
REMOVE TABLE CUSTOMER;
DROP TABLE CUSTOMER;

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Introduction to SQL
Count function in SQL returns the number of

columns.
values.
distinct values.
groups.

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