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Introduction to SQL

Introduction to SQL
SQL query and modification commands make up a(n) ________ .

HTML
XML
DML
DDL

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

prints 045.926
is illegal
prints 50
prints garbage

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Introduction to SQL
SQL is a programming language.

True
False

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Introduction to SQL
The SQL -92 wildcards are ____ and ____ .

asterisk (*); percent sign (%)
underscore(_); question mark (?)
percent sign (%); underscore (_)
question mark (?); asterisk (*)

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Introduction to SQL
Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000?

SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000;
None of these
SELECT name FROM staffinfo WHERE salary IN (10000, 25000);
Both A and B

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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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