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Introduction to SQL

Introduction to SQL
Which of the following group functions ignore NULL values?

All of these
MAX
SUM
COUNT

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Introduction to SQL
Which of the following is valid SQL for an Index?

ADD INDEX ID;
REMOVE INDEX ID;
CREATE INDEX ID;
CHANGE INDEX ID;

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Introduction to SQL
You can add a row using SQL in a database with which of the following?

CREATE
ADD
MAKE
INSERT

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Introduction to SQL
Which of the following is the correct order of keywords for SQL SELECT statements?

SELECT, FROM, WHERE
WHERE, FROM,SELECT
SELECT,WHERE,FROM
FROM, WHERE, SELECT

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

Materialized Views
All of these
Data Integrity
Normalization

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Introduction to SQL
The SQL WHERE clause:

Both A and B are correct.
limits the row data are returned.
Neither A nor B are correct.
limits the column data that are returned.

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