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Introduction to SQL

Introduction to SQL
Which SQL statement is used to update data in a database?

MODIFY
SAVE AS
UPDATE
SAVE

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Introduction to SQL
The result of a SQL SELECT statement is a ________ .

report
table
form
file

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Introduction to SQL
Table employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM employee WHERE SALARY > ALL (SELECT SALARY FROM EMPLOYEE);prints

9
5
0
10

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

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

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

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

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

Primary keys
Data types
Default values
All of these

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