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Introduction to SQL

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

CHANGE TABLE
MODIFY TABLE
ALTER TABLE
None of these

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Introduction to SQL
The SQL statement that queries or reads data from a table is ________ .

QUERY
READ
SELECT
None of these

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Introduction to SQL
The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL;

6789
2345
456789
1234

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

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

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Introduction to SQL
SQL is a data sublanguage.

False
True

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Introduction to SQL
Which of the following is a valid SQL type?

All of these
FLOAT
CHARACTER
NUMERIC

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