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Introduction to SQL

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

REMOVE
ALTER
DELETE
COLLAPSE

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

True
False

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Introduction to SQL
In SQL, which command(s) is(are) used to change a table's storage characteristics?

CHANGE TABLE
MODIFY TABLE
ALTER TABLE
All of these

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

prints 50
prints garbage
is illegal
prints 045.926

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Introduction to SQL
To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.

DISTINCT
UNIQUE
ONLY
SINGLE

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