Which of the following is valid SQL for an Index?

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;

ANSWER DOWNLOAD EXAMIANS APP

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

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
The FROM SQL clause is used to...

specify what table we are selecting or deleting data FROM

specify search condition

None of these

specify range for search condition

specify what table we are selecting or deleting data FROM

specify search condition

None of these

specify range for search condition

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.

DISTINCT

SINGLE

ONLY

UNIQUE

DISTINCT

SINGLE

ONLY

UNIQUE

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
What is a view?

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

None of these

A view is a database diagram.

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 special stored procedure executed when certain event occurs.

None of these

A view is a database diagram.

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.

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
Find all the tuples having temperature greater than 'Paris'.

SELECT * FROM weather WHERE temperature > (SELECT temperature FROM weather WHERE city = 'Paris')

SELECT * FROM weather WHERE temperature > (SELECT * FROM weather WHERE city = 'Paris')

SELECT * FROM weather WHERE temperature > (SELECT city FROM weather WHERE city = 'Paris')

SELECT * FROM weather WHERE temperature > 'Paris' temperature

SELECT * FROM weather WHERE temperature > (SELECT temperature FROM weather WHERE city = 'Paris')

SELECT * FROM weather WHERE temperature > (SELECT * FROM weather WHERE city = 'Paris')

SELECT * FROM weather WHERE temperature > (SELECT city FROM weather WHERE city = 'Paris')

SELECT * FROM weather WHERE temperature > 'Paris' temperature

ANSWER DOWNLOAD EXAMIANS APP

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 The FROM SQL clause is used to...

Introduction to SQL To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.

Introduction to SQL What is a view?

Introduction to SQL Find all the tuples having temperature greater than 'Paris'.

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
The FROM SQL clause is used to...

Introduction to SQL
To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.

Introduction to SQL
What is a view?

Introduction to SQL
Find all the tuples having temperature greater than 'Paris'.