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Introduction to SQL

Introduction to SQL
Which SQL keyword is used to retrieve only unique values?

DISTINCT
DISTINCTIVE
DIFFERENT
UNIQUE

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

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

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Introduction to SQL
Microsoft Access has become ubiquitous, and being able to program in Access is a critical skill.

True
False

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Introduction to SQL
SQL provides the AS keyword, which can be used to assign meaningful column names to the results of queries using the SQL built-in functions.

False
True

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

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

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Introduction to SQL
The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.

True
False

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