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Introduction to SQL

Introduction to SQL
The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints

23
ab
gh
bc

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Introduction to SQL
________ was adopted as a national standard by ANSI in 1992.

DBase
Microsoft Access
SQL
Oracle

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Introduction to SQL
Which SQL keyword is used to sort the result-set?

ORDER BY
SORT
ORDER
SORT BY

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Introduction to SQL
SQL data definition commands make up a(n) ________ .

XML
DDL
DML
HTML

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

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

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

is illegal
prints 50
prints 045.926
prints garbage

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