There is an equivalent join expression that can be substituted for all subquery expressions.

Introduction to SQL
There is an equivalent join expression that can be substituted for all subquery expressions.

False

True

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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
Which of the following command makes the updates performed by the transaction permanent in the database?

TRUNCATE

ROLLBACK

DELETE

COMMIT

TRUNCATE

ROLLBACK

DELETE

COMMIT

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

CREATE INDEX ID;

REMOVE INDEX ID;

CHANGE INDEX ID;

ADD INDEX ID;

CREATE INDEX ID;

REMOVE INDEX ID;

CHANGE INDEX ID;

ADD INDEX ID;

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Introduction to SQL
Find the names of these cities with temperature and condition whose condition is neither sunny nor cloudy

SELECT city, temperature, condition FROM weather WHERE condition IN ('sunny', 'cloudy');

SELECT city, temperature, condition FROM weather WHERE condition NOT BETWEEN ('sunny', 'cloudy');

SELECT city, temperature, condition FROM weather WHERE condition BETWEEN ('sunny', 'cloudy');

SELECT city, temperature, condition FROM weather WHERE condition NOT IN ('sunny', 'cloudy');

SELECT city, temperature, condition FROM weather WHERE condition IN ('sunny', 'cloudy');

SELECT city, temperature, condition FROM weather WHERE condition NOT BETWEEN ('sunny', 'cloudy');

SELECT city, temperature, condition FROM weather WHERE condition BETWEEN ('sunny', 'cloudy');

SELECT city, temperature, condition FROM weather WHERE condition NOT IN ('sunny', 'cloudy');

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Introduction to SQL
The SQL WHERE clause:

Both A and B are correct.

limits the column data that are returned.

Neither A nor B are correct.

limits the row data are returned.

Both A and B are correct.

limits the column data that are returned.

Neither A nor B are correct.

limits the row data are returned.

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Introduction to SQL

Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions.

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 Which of the following command makes the updates performed by the transaction permanent in the database?

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

Introduction to SQL Find the names of these cities with temperature and condition whose condition is neither sunny nor cloudy

Introduction to SQL The SQL WHERE clause:

Introduction to SQL
There is an equivalent join expression that can be substituted for all subquery expressions.

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
Which of the following command makes the updates performed by the transaction permanent in the database?

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

Introduction to SQL
Find the names of these cities with temperature and condition whose condition is neither sunny nor cloudy

Introduction to SQL
The SQL WHERE clause: