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INTRODUCTION TO SQL

Introduction to SQL
Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?

Data Definition Language(DDL)
Data Manipulation Language(DML)
Both of above
None

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Introduction to SQL
Which operator performs pattern matching?

None of these
LIKE operator
BETWEEN operator
EXISTS operator

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Introduction to SQL
What operator tests column for the absence of data?

EXISTS operator
None of these
IS NULL operator
NOT operator

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

CHANGE TABLE
All of these
ALTER TABLE
MODIFY TABLE

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Introduction to SQL
In SQL, which of the following is not a data definition language commands?

GRANT
REVOKE
RENAME
UPDATE

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