What is a view? | EXAMIANS

Introduction to SQL
What is a view?

None of these

A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are.

A view is a database diagram.

A view is a special stored procedure executed when certain event occurs.

None of these

A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are.

A view is a database diagram.

A view is a special stored procedure executed when certain event occurs.

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Introduction to SQL
Which operator performs pattern matching?

None of these

EXISTS operator

LIKE operator

BETWEEN operator

None of these

EXISTS operator

LIKE operator

BETWEEN operator

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Introduction to SQL
The SQL statement that queries or reads data from a table is ________ .

QUERY

None of these

READ

SELECT

QUERY

None of these

READ

SELECT

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Introduction to SQL
Which command undo all the updates performed by the SQL in the transaction?

ROLLBACK

TRUNCATE

COMMIT

DELETE

ROLLBACK

TRUNCATE

COMMIT

DELETE

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Introduction to SQL
A SELECT statement within another SELECT statement and enclosed in square brackets ([...]) is called a subquery.

False

True

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Introduction to SQL
The rows of the result relation produced by a SELECT statement can be sorted, but only by one column.

False

True

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Introduction to SQL

Introduction to SQL What is a view?

Introduction to SQL Which operator performs pattern matching?

Introduction to SQL The SQL statement that queries or reads data from a table is ________ .

Introduction to SQL Which command undo all the updates performed by the SQL in the transaction?

Introduction to SQL A SELECT statement within another SELECT statement and enclosed in square brackets ([...]) is called a subquery.

Introduction to SQL The rows of the result relation produced by a SELECT statement can be sorted, but only by one column.

Introduction to SQL
What is a view?

Introduction to SQL
Which operator performs pattern matching?

Introduction to SQL
The SQL statement that queries or reads data from a table is ________ .

Introduction to SQL
Which command undo all the updates performed by the SQL in the transaction?

Introduction to SQL
A SELECT statement within another SELECT statement and enclosed in square brackets ([...]) is called a subquery.

Introduction to SQL
The rows of the result relation produced by a SELECT statement can be sorted, but only by one column.