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Introduction to SQL

Introduction to SQL
A dynamic view is one whose contents materialize when referenced.

True
False

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Introduction to SQL
SQL is a programming language.

True
False

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Introduction to SQL
Which of the following is illegal?

SELECT SYSDATE - SYSDATE FROM DUAL;
None of these
SELECT SYSDATE - (SYSDATE + 2) FROM DUAL;
SELECT SYSDATE - (SYSDATE - 2) FROM DUAL;

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

1234
456789
2345
6789

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Introduction to SQL
The result of every SQL query is a table.

True
False

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

MAKE
CREATE
INSERT
ADD

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