The command to remove rows from a table 'CUSTOMER' is:

Introduction to SQL
The command to remove rows from a table 'CUSTOMER' is:

DROP FROM CUSTOMER ...

UPDATE FROM CUSTOMER ...

REMOVE FROM CUSTOMER ...

DELETE FROM CUSTOMER WHERE ...

DROP FROM CUSTOMER ...

UPDATE FROM CUSTOMER ...

REMOVE FROM CUSTOMER ...

DELETE FROM CUSTOMER WHERE ...

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

DELETE

TRUNCATE

ROLLBACK

COMMIT

DELETE

TRUNCATE

ROLLBACK

COMMIT

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Introduction to SQL
What is a view?

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.

None of these

A view is a database diagram.

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

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.

None of these

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
If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators.

True

False

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Introduction to SQL
The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries.

True

False

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

True

False

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Introduction to SQL

Introduction to SQL The command to remove rows from a table 'CUSTOMER' is:

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

Introduction to SQL What is a view?

Introduction to SQL If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators.

Introduction to SQL The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries.

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

Introduction to SQL
The command to remove rows from a table 'CUSTOMER' is:

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

Introduction to SQL
What is a view?

Introduction to SQL
If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators.

Introduction to SQL
The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries.

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