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Introduction to SQL

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

MODIFY TABLE
All of these
ALTER TABLE
CHANGE TABLE

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

UPDATE
MODIFY
SAVE
SAVE AS

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

gh
23
ab
bc

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

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

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

DDL
XML
DML
HTML

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

True
False

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