Which of the following is valid SQL for an Index?

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

REMOVE INDEX ID;

CREATE INDEX ID;

ADD INDEX ID;

CHANGE INDEX ID;

REMOVE INDEX ID;

CREATE INDEX ID;

ADD INDEX ID;

CHANGE INDEX ID;

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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.

False

True

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Introduction to SQL
Find the names of the countries whose condition is sunny.

SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny');

SELECT country FROM location WHERE condition = 'sunny';

SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny');

SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny');

SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny');

SELECT country FROM location WHERE condition = 'sunny';

SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny');

SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny');

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Introduction to SQL
The ADD command is used to enter one row of data or to add multiple rows as a result of a query.

False

True

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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 BETWEEN ('sunny', 'cloudy');

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

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

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

Introduction to SQL

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

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 Find the names of the countries whose condition is sunny.

Introduction to SQL The ADD command is used to enter one row of data or to add multiple rows as a result of a query.

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

Introduction to SQL To establish a range of values, < and > can be used.

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

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
Find the names of the countries whose condition is sunny.

Introduction to SQL
The ADD command is used to enter one row of data or to add multiple rows as a result of a query.

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

Introduction to SQL
To establish a range of values, < and > can be used.